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Heater hoses & pipes
By OE Match
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S2 4.7L 1984-86
Vacuum Hose Distribution Y-Piece – 4mm Vacuum Line
Splitter
Sold each - used in various locations
High-quality vacuum hose distribution Y-piece designed for a wide range of Porsche models including 911, 964, 924S, 944, 968, and 928.
This Y-splitter allows a single vacuum source to be divided into two outlets, enabling efficient routing and connection of vacuum lines within the engine bay or HVAC system. It is specifically designed for vacuum hoses with a 4mm outer diameter, ensuring a secure and precise fit.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 924S 2.5L 1986-87
- Porsche 924S 2.5L 1988
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
- Porsche 928S2 4.7L 1984-86
Diagram ref no 4
Manufactured to OEM standards, this connector is ideal for maintaining or restoring vacuum system integrity across multiple Porsche applications.
Key Features
• Universal-style vacuum Y-piece connector
• Suitable for Porsche 911, 964, 924S, 944, 968, and 928
• Designed for 4mm outer diameter vacuum hoses
• Enables splitting of vacuum lines
• OEM-style fit and function
• Durable construction for long-term reliability
Function and Purpose
This Y-piece is a critical connector within the vacuum system.
It helps to:
• Split a single vacuum line into two outputs
• Maintain proper vacuum routing
• Ensure consistent vacuum pressure distribution
• Support engine and HVAC system operation
Why Replace Your Vacuum Connector
Over time, vacuum connectors can degrade due to heat and age.
Common issues include:
• Cracked or brittle plastic
• Vacuum leaks
• Poor hose connections
• Engine or HVAC system malfunctions
Replacing the Y-piece restores proper vacuum system function.
• Loose or unsecured temperature sensor
• Incorrect temperature readings
• HVAC system inconsistencies
• Broken or missing connector clips
Replacing the lock piece restores proper sensor stability and function.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857372702
The product you are viewing cross references to these numbers
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Engine to Left Heat Exchanger Hose 130mm x 60mm
Maintain efficient cabin heating and proper airflow within
your air-cooled Porsche with this OE Match Engine to Left Hand Heat Exchanger Hose.
Measuring 130mm x 60mm, this hose is manufactured to the original factory specification.
Fits:
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
Diagram ref no. 19
Designed for the Porsche 911 turbo (930) and Porsche 964 turbo, this hose connects the engine cooling fan housing to the left-hand heat exchanger, delivering the airflow required for the vehicle's heating system. Manufactured from durable, heat-resistant materials, it provides the correct fit and flexibility needed to withstand the demanding temperatures of the engine bay.
Whether you're replacing a deteriorated original hose or completing a full engine restoration, this OE Match component restores factory-style performance and appearance.
What Does the Engine to Heat Exchanger Hose Do?
The engine to heat exchanger hose is an essential part of the air-cooled Porsche heating system.
Its primary functions include:
- Directing cooling fan air from the engine to the left-hand heat exchanger.
- Providing the airflow required to generate warm air for the cabin heating system.
- Maintaining efficient airflow through the heat exchanger.
- Helping ensure effective windscreen demisting and cabin heating.
- Completing the sealed airflow path between the engine and heating components.
Without an airtight hose, airflow is reduced, resulting in diminished heating performance and reduced system efficiency.
Why Does the Heat Exchanger Hose Fail?
Located in the engine compartment, the hose is constantly exposed to high temperatures, engine vibration and environmental contaminants.
Common causes of deterioration include:
- Heat-related hardening and cracking.
- Rubber or reinforced material becoming brittle with age.
- Splits caused by engine movement and vibration.
- Damage during engine maintenance.
- Oil contamination reducing material strength.
- General wear after years of service.
A damaged hose allows cooling air to escape before reaching the heat exchanger, reducing heating efficiency and affecting overall airflow management.
When Should It Be Replaced?
Replacement is recommended when:
- The hose is cracked, split or torn.
- Heating performance has noticeably decreased.
- Air leaks are present within the heating system.
- The hose has become brittle or collapsed.
- Carrying out an engine or heating system restoration.
- Replacing heat exchangers or other heating system components.
- Performing preventative maintenance on older vehicles.
Replacing ageing heating hoses helps restore proper airflow, improve cabin heating performance and maintain the efficiency of the air-cooled heating system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021119601
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Heater Hose to Heater Air Flap - 320mm long
Fits left or right hnd side
Restore the efficiency of your Porsche's heating and
ventilation system with this OE Match Heater Hose,
designed specifically to connect the heater ducting to the heater air flap
on the Porsche 964 Carrera 2 and Carrera 4. Manufactured to original
equipment specifications, this high-quality replacement hose ensures warm air
is directed efficiently through the heating system, maintaining reliable cabin
comfort and proper airflow.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
Diagram ref no 5
Whether you're restoring a classic 964, replacing deteriorated heater ducting or refurbishing the complete heating system, this OE Match heater hose provides factory-quality fitment and dependable long-term durability.
What Does the Heater Hose Do?
The heater hose connects the engine's heating ductwork to the heater air flap assembly, allowing heated air generated by the engine cooling fan and heat exchangers to be directed into the cabin when required.
Its primary functions include:
- Carrying heated air to the heater air flap.
- Maintaining efficient airflow through the heating system.
- Supporting rapid cabin heating.
- Helping deliver effective windscreen demisting and defrosting.
- Preventing warm air from escaping before reaching the heater controls.
- Maintaining the correct operation of the Porsche heating and ventilation system.
A correctly sealed heater hose helps maximise heating efficiency and passenger comfort.
Why Do Heater Hoses Fail?
Heater hoses operate in a high-temperature environment and
gradually deteriorate through age and continual heat exposure. Common causes of
failure include:
- Heat cycling causing the material to harden.
- Age-related cracking and splitting.
- Perishing caused by engine bay temperatures.
- Oil contamination degrading the hose material.
- Abrasion against surrounding components.
- General deterioration after years of service.
As the hose deteriorates it can develop splits, become brittle or collapse, allowing valuable heated air to escape before reaching the cabin.
When Should the Heater Hose Be Replaced?
The heater hose should be inspected whenever the heating
system or engine is serviced. Replacement is recommended if you notice:
- Cracked or brittle hose material.
- Torn or split ducting.
- Loose hose connections.
- Reduced cabin heating performance.
- Poor windscreen demisting.
- Visible heat damage or distortion.
Many Porsche specialists recommend replacing ageing heater hoses during engine-out servicing or whenever the heating ductwork is being refurbished.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96457278500
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 turbo 3.3ltr - 1991 to 1993
Porsche 964 turbo S 3.6ltr - 1991 to 1993
Diagram ref no 36
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021123601
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Sold each - 2 required per car
Fits:
Porsche 964 turbo 3.3ltr - 1991 to 1992 (M30.69)
Porsche 964 turbo S 3.6ltr - 1993 to 1994 (M64.50)
Diagram ref no. 20
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93021113400
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
- Porsche 993 (911) C2 1994-97
- Porsche 993 (911) C4 1994-97
- Porsche 993 (911) RS 1994-97
- Porsche 993 (911) C2S 1994-97
- Porsche 993 (911) C4S 1994-97
- Porsche 993 (911) TURBO 1994-96
- Porsche 993 (911) GT2 1994-97
- Porsche 993 (911) TURBO S 1994-97
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 / GT3 RS 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 / GT3 RS 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche 991.1 Carrera C2 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C2S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Carrera C4 3.4L (350 Bhp) 2012-16
- Porsche 991.1 Carrera C4S / GTS 3.8L (400/430 Bhp) 2012-16
- Porsche 991.1 Turbo 3.8L (520 Bhp) 2014-16
- Porsche 991.1 Turbo S 3.8L (560 Bhp) 2014-16
- Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
- Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16
Fits:
Porsche 911 3.2 Carrera - 1984 to 1989
Porsche 964 - 1989 to 1994
Porsche 993 - 1994 to 1998
Porsche 996 - 1997 to 2005
Porsche 997 - 2005 to 2012
Porsche 991.1 - 2012 to 2016
Porsche 986 Boxster - 1997 to 2004
Porsche 987 Boxster / Cayman - 2005 to 2012
Diagram ref no 2 and 13
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9P1129487
The product you are viewing cross references to these numbers
-
headlight levelling system 964 M605 1989-94 905-02
-
l-jetronic, flap connection, suction housing, plastic material 964 M64.01/02/03 1989-94 107-02
-
l-jetronic: lines 964 M64.01/02/03 1989-94 107-05
-
air injection 964 TURBO M30.69 and M64.50 1991-94 108-07
-
additional blower 964 TURBO M30.69 and M64.50 1991-94 108-15
-
heating air supply 964 1989-94 202-20
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.
