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Engine to heat exchanger hose, LEFT 458mm X 60mm. Porsche 911 / 914 - 90121119501
90121119501/1
Vehicle Group
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 914 (1970-1976)
Information
Engine to heat exchanger hose, brown paper/alu, LEFT 458mm X 60mm
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
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
90121119501
90121119500
The product you are viewing cross references to these numbers
Price: £13.95
In stock
Related products
Vehicle Group
- 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
Information
Vacuum Line Connector.
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
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9P1129487
The product you are viewing cross references to these numbers
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
92857471707
9P1129487
92857471705
92857471703
92857471706
The product you are viewing cross references to these numbers
Price: £4.99
In stock
Vehicle Group
- 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
Information
Air hose. 72mm x 2.8mm, 100mm long
Fits:
Porsche 993 1994-98
PLEASE NOTE: This part comes in one 100mm long piece. It needs to be cut to size. Replacement for single hoses No 8 & 7 on diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004320504
The product you are viewing cross references to these numbers
Fits:
Porsche 993 1994-98
PLEASE NOTE: This part comes in one 100mm long piece. It needs to be cut to size. Replacement for single hoses No 8 & 7 on diagram.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
00004320504
00004320504
The product you are viewing cross references to these numbers
Price: £21.25
Arriving soon
Vehicle Group
- 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
Information
Heat Exchanger Hose - Left or Right Hand Side
Fits:
Porsche 993 C2/4 1994-98 not turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99321133902
The product you are viewing cross references to these numbers
Fits:
Porsche 993 C2/4 1994-98 not turbo
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99321133902
99321133903
99321133904
99321133902
The product you are viewing cross references to these numbers
Price: £32.35
In stock