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Heater hoses & pipes
By OE Match
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Contains:
1 x Clamp for heater Left 90121105122
1 x Clamp for heater Right 90121105222
2 x M6 Hex. Head Bolts 90037803001
2 x Locking nuts N0120064
Fits:
Porsche 911 1965-1968 2.0L / 912 SWB (F)
Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Porsche 911 1978-1983 3.0L / SC
Porsche 911 1984-1986 3.2L
Porsche 911 1975-1977 3.0L Turbo (930)
Porsche 911 1978-1989 3.3L Turbo (930)
Click 'Zoom in' for large parts diagram.
Diagram ref no 2 , 3 & 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
HEATERCLAMP911
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
An OE Match blower hose made from black outer material with an aluminium inner structure, designed to channel heated air within the engine bay heating system of Porsche 911 models.
Fits:
Porsche 911 1975 - 1983
Also used on Pre >>1973 911's in the heater system
Diagram ref no 13
This OE Match Blower Hose is a high-quality replacement component designed to replicate the original Porsche heater hose used in classic air-cooled 911 models. Installed in the engine bay, this hose connects the blower motor to the heat exchanger, enabling the transfer of warm air into the vehicle’s heating system.
This hose, approximately 60 mm in diameter and approximately 1 meter long, is designed for proper routing and fit within the limited space of the engine compartment. It plays a crucial role in maintaining proper cabin heating performance, especially in colder driving conditions.
This blower hose channels heated air from the engine-mounted blower to the heat exchangers, ensuring warm air is properly distributed through the vehicle’s heating system.
Function
• Transfers heated air from blower to heat exchanger
• Maintains consistent airflow within the heating system
• Withstands high engine bay temperatures
• Flexible design allows correct routing and installation
• Supports effective cabin heating performance
Over time, blower hoses can become brittle, cracked, or collapsed due to prolonged exposure to heat and age. This can lead to reduced airflow, poor heating performance, and potential heat loss within the system. Replacing a worn hose ensures efficient heat transfer, improves cabin comfort, and maintains proper operation of the vehicle’s heating system.
When to replace
• Visible cracks, splits, or deterioration
• Reduced or inconsistent cabin heating
• Hose becoming brittle or collapsing under heat
• During engine bay or heating system restoration
• Signs of air leaks or disconnected ducting
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121152201
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
Pipe Clamp B20x18 – Multi-Position Clamp
Sold each
High-quality
pipe clamp B20x18 designed for a wide range of securing applications across Porsche 911, 924S, 928, and
914 models.
This versatile clamp is used in multiple locations including
air conditioning pipes, wiring looms, power steering lines, clutch cables,
and heating system components, making it an essential part for maintaining
correct routing and system integrity throughout the vehicle.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
- Porsche 914 (1970-1976)
Manufactured to OEM specifications, this clamp ensures secure fitment, durability, and resistance to corrosion. Supplied individually, it allows flexible replacement for maintenance, repair, or restoration projects.
Key Features
• Pipe clamp size B20x18
• Suitable for Porsche 911, 924S, 928, and 914
• Part number 99951107602
• Multi-use: AC pipes, wiring looms, steering, clutch, heating
• Ensures secure mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually
Function and Purpose
This clamp is designed to secure various components across the vehicle.
It helps to:
• Hold pipes, hoses, and cables firmly in place
• Maintain correct routing and alignment
• Prevent vibration-related wear and damage
• Protect sensitive components such as wiring looms
• Support long-term system reliability
Why Replace Pipe Clamps
Clamps can degrade over time due to heat and environmental exposure.
Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of pipes or cables
• Increased risk of wear or failure
Replacing worn clamps ensures proper securing and protects system components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951107602
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Fits:
Porsche 911 1965-86
Porsche 911 Turbo 3.0L / 3.3L 1975-86
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90121105
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Rubber sealing ring / gasket used in the HVAC/heater/ventilation system of classic 911 / 912 cars. Its sealing points where heater/vent hoses pass through body or bulkhead. Ideal when refurbishing HVAC ducts, replacing heater hoses, restoring classic 911/912 ventilation and heat systems.
Sold each. 2 required per vehicle.
Fits:
Porsche 911 1965 - 1989 all models
Diagram ref no 18
Because over decades the original sealing rings often become brittle, hard, compressed or cracked (due to heat cycles, age, vibration, exposure to cabin air, moisture and dust), they lose their ability to seal properly.
This can lead to:
• Unwanted air leaks or drafts into cabin
• Water or dust ingress into the interior or into heater ducts
• Poor heating or ventilation performance
• Increased cabin noise, wind-noise or fumes entering cabin (especially on vehicles with engine-bay to cabin vents).
Replacing with a correct-spec sealing ring ensures a tight, flexible seal that restores proper HVAC function, occupant comfort, and helps preserve the integrity of the car’s interior and ventilation system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90157291301
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Heater Box Drain Hose
Maintain the efficiency and longevity of your classic
Porsche heating system with this OE Match Heater Box Drain Hose. Manufactured to closely match the original factory
specification, this ensures moisture and condensation are safely drained away from the heater box,
helping to protect surrounding components from corrosion and deterioration.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram ref no 19
Ideal for routine maintenance or full restoration projects, this OE Match drain hose provides the correct fit and reliable performance expected from an original-style replacement.
What Does the Heater Box Drain Hose Do?
The heater box drain hose plays an important role in the operation of the air-cooled Porsche heating system.
Its functions include:
- Draining condensation and moisture from the heater box.
- Helping prevent water from collecting inside the heating system.
- Protecting the heater box and surrounding bodywork from corrosion.
- Reducing the risk of trapped moisture causing rust or deterioration.
- Maintaining efficient operation of the heating and ventilation system.
Although often overlooked, this simple hose helps preserve both the heating system and the surrounding chassis.
Why Does the Heater Box Drain Hose Fail?
The original drain hose is continually exposed to heat, moisture, road debris and age, causing the rubber material to deteriorate over time.
Common causes of failure include:
- Rubber becoming brittle and cracking with age.
- Splits caused by repeated heat cycles.
- Hardening due to engine bay temperatures.
- Blockages from dirt, leaves or road debris.
- Perishing caused by prolonged exposure to moisture and contaminants.
- Damage during engine or heater system maintenance.
A damaged or blocked drain hose can allow moisture to remain inside the heater box, increasing the risk of corrosion and reducing heating system efficiency.
When Should It Be Replaced?
Replacement is recommended when:
- The hose is cracked, split or hardened.
- Signs of water retention or corrosion are found around the heater box.
- The heating system is being restored or serviced.
- The engine is removed, providing easy access.
- Restoring a classic Porsche to factory specification.
- Carrying out preventative maintenance on an ageing vehicle.
Replacing the drain hose is an inexpensive way to help protect the heating system and surrounding bodywork from long-term moisture damage.
OE Match Features
- OE Match quality replacement.
- Manufactured to replicate original factory dimensions.
- Durable rubber construction.
- Correct fit and routing for factory heater box assemblies.
- Helps maintain proper heater box drainage.
- Suitable for restoration, repair and preventative maintenance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90157132632
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
This is a high-quality replacement hot-air hose connecting the engine fan duct to the heat-exchanger in classic Porsche models. With an internal diameter of 60 mm and a length of 380 mm, this hose replicates the original specification, including the aluminium-lined construction and brown-paper exterior that Porsche used.
Fits:
Porsche 912
Porsche 911 1965-73
Engine to Heat Exchanger on the Left or Right
Fits:
Porsche 930 Turbo 1975-89
Porsche 911SC
Porsche 911 3.2L
Engine to Heat Exchanger on the right
Diagram ref no. 20
• Position on Vehicle: Engine bay, connecting the engine fan duct/air-intake housing to the heat-exchanger (or heater box) via the hose (typically on the right side).
• Cross-Reference / Alternative Numbers: 901 211 194 01 (current) supersedes and replaces 901 211 194 00.
• Material & Construction: Crafted from heat-resistant aluminium-lined hose, clad externally with the original brown-paper finish and sized to match the factory shape (60mm inner diameter, ~380mm length). Built for high-temperature engine-bay environment and correct airflow performance.
• Applications: Ideal when the original hose is cracked, delaminated, deformed, missing, or when restoring correct heating/airflow behaviour in the engine bay or passenger compartment on classic air-cooled Porsche cars.
This hot-air hose plays a vital role in engine and cabin heat management: if it's cracked, collapsed, or detached, you may experience reduced heater output, engine-bay overheating, erratic air-flow, or loss of original ducting performance. Installing a correctly specified replacement restores the original system’s performance and helps maintain correct engine and cabin temperature control.
When and why to replace:
• Visible cracking, splitting, or sagging in the old hose.
• Hose has been removed, reused too often or replaced with incorrect diameter/length.
• Heater output is weak or airflow to engine/compartment is abnormal.
• Restoring a classic 911/930 and you require original spec parts for authenticity and functionality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90121119401
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
The OE MATCH Gasket for Heater Flap is a high-quality replacement sealing gasket designed for the heater flap assembly within the vehicle's heating and ventilation system. This gasket creates an effective seal between the heater flap and its housing, ensuring that warm air is directed correctly through the heating ducts and into the cabin.
Sold Each.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Diagram Ref No 7
Manufactured to OE specifications, the gasket helps prevent unwanted air leakage, improves heater efficiency, and contributes to proper climate control performance. Made from durable materials resistant to heat, age, and environmental exposure, it is an essential component during heater flap refurbishment or restoration work, particularly on classic Porsche models.
What This Product Does:
- Provides a seal between the heater flap and housing assembly
- Prevents unwanted air leakage within the heating system
- Ensures efficient airflow through the heater ducts
- Helps maintain consistent cabin heating performance
- Supports proper operation of the vehicle's ventilation system
- Reduces heat loss within the heater control system
Symptoms Of Wear Or Failure:
- Reduced cabin heating performance
- Air leaks from the heater flap assembly
- Difficulty maintaining cabin temperature
- Poor airflow direction through heater vents
- Increased drafts entering the cabin
- Rattling or vibration from loose sealing materials
- Visible deterioration, cracking, or missing gasket material
- Reduced efficiency of the heating and ventilation system
Why Replacement Matters:
- Restores an effective air-tight seal within the heater system
- Improves heating efficiency and airflow control
- Reduces unwanted air leaks and heat loss
- Enhances overall cabin comfort
- Supports proper operation of the heater flap mechanism
- Helps maintain original HVAC system performance
- Prevents drafts and inconsistent heating
- Provides a professional finish during restoration or maintenance work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91121129700
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
The OE MATCH Heater Flap Hose is a high-quality silicone heating system hose designed to connect the heat control box (heater flap assembly) to the heat exchanger. Measuring Ø60 x 330 mm, this flexible hose forms a vital part of the vehicle’s cabin heating system, carrying heated air from the heat exchangers to the heater control components and ultimately into the passenger compartment.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Manufactured from durable, heat-resistant silicone, the hose is designed to withstand the high temperatures generated by the exhaust-heated air system while maintaining flexibility and structural integrity. It is an ideal replacement for ageing, cracked, or deteriorated original hoses commonly found on classic Porsche models.
What This Product Does:
- Transfers heated air from the heat exchanger to the heater control box
- Supports efficient cabin heating system operation
- Provides a sealed airflow path within the heating system
- Helps maintain consistent cabin temperatures
- Reduces heat loss within the heater ducting system
- Withstands high temperatures and engine bay conditions
Symptoms Of Wear Or Failure:
- Weak or reduced cabin heating output
- Loss of heated air before it reaches the cabin
- Cracked, split, or collapsed hose sections
- Air leaks around the heater duct connections
- Uneven or inconsistent cabin temperatures
- Visible deterioration from age, heat, or oil contamination
- Increased noise from escaping airflow
- Reduced overall efficiency of the heating system
Why Replacement Matters:
- Restores efficient heated air delivery to the cabin
- Prevents heat loss through damaged or leaking ducting
- Improves cabin comfort and temperature control
- Maintains proper operation of the heater flap system
- Reduces unwanted air leaks and noise
- Provides improved durability compared to ageing original hoses
- Supports restoration and maintenance of classic
- Porsche heating systems
- Ensures reliable long-term performance in high-temperature environments
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021162201
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
This is a bespoke restoration product, you can not buy this from Porsche !
Fits:
Porsche 911/912 1965-68 SWB cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91150340000
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
This heating tube inside sill is a high-quality replacement air-duct tube designed to channel warm air from the exhaust-heated heating system through the sill area of classic Porsche 911 models built from 1969 through 1989 and 356 B/C models. It matches the original part’s fit and performance to maintain proper heating airflow in your vehicle’s cabin.
Fits:
Porsche 356 B/C 1.6 01/1959 - 12/1965
Porsche 911 2.0-3.3 08/1968 - 07/1989
Porsche 912 1.6 01/1965 - 02/1970
Porsche 914 1.7-2.0 01/1969 - 07/1974
Diagram ref no 15
The heating tube directs hot air generated by the engine’s exhaust-heated heat exchangers into the cabin area via the sill ducting. This ensures your classic Porsche’s heater system distributes warmth effectively, improving defogging, defrosting, and passenger comfort in cooler weather.
Function: Installed along the inner sill section, this tube captures heat from the heater system and delivers it through the duct network into the footwell or cabin air distribution points. A properly functioning heater tube helps maintain consistent cabin temperature and prevents heat loss due to damage or age-related degradation of the original ducting.
Over decades of use, original heater tubes can become cracked, brittle, or collapsed, leading to poor airflow, heat loss, or even exhaust gas intrusion into the cabin air system. Replacing the deteriorated tube with an OE Match unit restores effective hot-air distribution, improves cabin comfort and heater efficiency, and keeps the vintage heating system functioning as intended.
Replace this heating tube when you notice:
• Weak or inconsistent warm air delivery from the heater
• Deteriorated, cracked, or collapsed heater tubing
• Excessive heat loss before reaching the cabin
• Unusual smells from heater ducts (possible leaks)
• During full heater system or sill restoration work
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91157202502
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 914 (1970-1976)
Fits:
Porsche 911 1968-73
Porsche 911 TURBO 3.0L / 3.3L 1975-89
Porsche 914-6 1970-76
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010632102
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
Sold each - 2 required per car
Fits:
Porsche 911 - 1965 to 1968
Section of diagram ref no 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90157291120
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Vent Line Muffler (Silencer) for Auxiliary Heating
Maintain the correct operation and refinement of your
classic Porsche heating system with this OE Match Vent Line Muffler
(Silencer) for the auxiliary heating system. Designed to replace the
original component fitted to early air-cooled Porsche 911 models, this
precision-manufactured part helps reduce airflow noise within the heater
ventilation circuit while ensuring efficient operation of the auxiliary heating
system.
Fits:
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
Diagram ref no 40
Manufactured to OE specifications, this vent line muffler provides accurate fitment and dependable performance, making it an ideal choice during restoration, heater system refurbishment or preventative maintenance. As many original components have now become brittle, corroded or damaged after decades of service, replacing this often-overlooked part helps restore the smooth and quiet operation of the heating and ventilation system.
Whether you're carrying out a concours restoration or simply refreshing your Porsche's heating system, this OE Match component delivers the quality and fit expected for classic air-cooled models.
What Does the Auxiliary Heating Vent Line Muffler Do?
The vent line muffler forms part of the auxiliary heating and ventilation system.
Its purpose is to:
- Reduce airflow and induction noise within the heating system.
- Smooth airflow through the vent line.
- Help maintain efficient heater operation.
- Reduce unwanted resonance from the ventilation circuit.
- Contribute to a quieter and more refined cabin environment.
- Support the correct functioning of the auxiliary heating system.
Although compact, this component plays an important role in maintaining the original characteristics of the Porsche heating system.
Why Replace the Vent Line Muffler?
Years of exposure to heat, moisture, vibration and engine bay contaminants can cause the original vent line muffler to deteriorate.
Common reasons for replacement include:
- Corrosion.
- Internal deterioration.
- Physical damage.
- Blockages restricting airflow.
- Age-related wear.
- Heater system refurbishment.
- Restoration projects.
- Missing original components.
Replacing worn heating components helps restore correct airflow while maintaining the efficiency and refinement of the ventilation system.
Symptoms of a Worn or Damaged Vent Line Muffler
Signs that the component may require replacement include:
- Increased airflow or induction noise from the heating system.
- Reduced heater efficiency.
- Restricted airflow.
- Rattling or vibration within the vent line.
- Visible corrosion or damage.
- Missing heater system components.
- Poor overall heating system performance.
Replacing the vent line muffler helps restore proper airflow characteristics and contributes to quieter heater operation.
Benefits
- Restores quieter heater operation.
- Helps maintain correct airflow.
- Supports efficient auxiliary heating performance.
- Replaces worn or corroded original components.
- Improves overall refinement.
- Easy direct-fit installation.
- Long-lasting durability.
Why Choose OE Match Heating Components?
OE Match heating and ventilation components are manufactured to provide factory-quality fitment, dependable performance and long service life for classic Porsche models. Designed using high-quality materials and precision manufacturing processes, this vent line muffler restores the original operation of the auxiliary heating system while preserving the authentic character of your air-cooled Porsche. It is an excellent choice for restoration specialists and enthusiasts looking to maintain both comfort and originality.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90157206130
The product you are viewing cross references to these numbers
-
oil supply for converter sportomatic for 911 /L/S/TU UPTO 1968 and 911 T/E 1969 ONWARDS 104-20
-
air duct and engine cover 911 1965-69 105-05
-
heating air supply 911 1965-69 202-00
-
exhaust system 911 1965-69 202-10
-
frame centre rear 911 1965-69 801-15
-
interior equipment Rear 911 1965-69 807-05
-
ventilation heatin 911 1969 onwards 813-15
-
heating and ventilation unit accessories 911 1965-69 813-20
-
air conditioner, electrical components, accessories 911 E/S/T 1969 onwards 813-95
OEMatch Heater hoses & pipes — Durability, Sealing, Performance
OEMatch supplies many parts for Porsche heating and cooling systems, including heater hoses and coolant pipes selected for material suitability and model coverage for Porsche vehicles.
Understanding OEMatch Heater hoses & pipes
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original heater hoses & pipes.
OE (Original Equipment) refers to parts matching original specifications for the heater hoses & pipes and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM heater hoses & pipes engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Heater hoses and pipes carry hot coolant from the engine to the heater core and return cooled fluid to the cooling circuit. They maintain coolant flow, support cabin heating, and help prevent air ingress and leaks that can affect engine temperature control.
Benefits Include
- Restores coolant circulation to support cabin heating and engine temperature control
- Reduces the risk of coolant leaks that can lead to overheating
- Materials selected for heat and pressure resistance suitable to Porsche applications
- Replacements that align with original mounting points and connection types
Why Heater hoses & pipes Wear and Fail
- Age-related rubber degradation causing cracking, swelling or hardening
- Corrosion or pinhole defects in metal pipes
- Coolant contamination or chemical breakdown leading to internal deterioration
- Loose, damaged or corroded clamps and fittings allowing leaks
The Importance of Replacing with OEMatch Heater hoses & pipes
Replacing worn heater hoses and pipes restores reliable coolant flow and cabin heating while lowering the chance of coolant loss and engine overheating. Regular inspection and timely replacement helps maintain system pressure integrity and avoids secondary damage to the heater core, water pump or head gasket. Choose components that match your Porsche model and the correct connection types to ensure straightforward installation and ongoing system reliability.
Advantages
- Selected materials for resistance to heat, pressure and corrosion
- Designed to match original dimensions and hose routing where applicable
- Suitable for maintenance, restoration and preventative servicing
Support & Advice
These items can appear straightforward to fit but may require specific procedures such as correct routing, adjustment and securing of hose / pipe ends. If you lack the correct tools or are unsure about hidden fastenings or sensors, seek professional installation.
