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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 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Related, superseded, cross reference or alternative numbers for comparison.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 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 914 (1970-1976)
This OE Match engine to heat exchanger hose is a replacement left-side heater air hose for Porsche 911 and 914 models. Measuring 458 mm x 60 mm, it is designed to match the original-style fitment and function, helping restore correct airflow between the engine and heat exchanger system.
Fits:
Porsche 911/911S/ Carrera 3.0 / 911SC 1974 - 1983
Porsche 914-6 1970 - 1976
This product supersedes Porsche's old part numbers: 90121119500
Diagram ref no. 10
The engine to heat exchanger hose carries warm air through the heating system, connecting the engine-side heater ducting to the heat exchanger area. A correctly fitted hose helps maintain proper cabin heating, demisting performance, and air distribution through the classic Porsche heating system.
Functions
• Replaces the left-side engine to heat exchanger hose
• Connects the engine heater ducting to the heat exchanger system
• Supports warm air transfer through the heating circuit
• Helps maintain cabin heating and windscreen demisting performance
• Replaces split, crushed, brittle, missing, or heat-damaged original hoses
• Supports correct heater system operation and airflow
• OE Match replacement for classic Porsche heater system restoration.
Why Replace This Part?
Heater air hoses are exposed to heat, vibration, age, moisture, and engine bay conditions. Over time, the hose can split, crush, collapse, harden, fray, or become detached. A damaged hose can reduce heating performance, cause poor demisting, allow air leaks, or leave the heating system incomplete. Replacing the hose helps restore correct airflow and reliable heater operation.
When to Replace This Part
• The hose is split, crushed, brittle, torn, or missing
• Cabin heating output is weak or uneven
• Windscreen demisting performance is poor
• Air leaks are present around the heater hose connections
• The heat exchanger or heater ducting is being serviced
• Engine bay heater hoses are being replaced during restoration
• The vehicle is undergoing Porsche 911 or 914 heating system refurbishment.
Where it fits on the car
This hose fits on the left side of the engine to heat exchanger heating system on Porsche 911 and 914 models. It connects the engine-side heater ducting to the heat exchanger area according to the factory heater layout.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90121119501
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)
- 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
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.
