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Coolant / Heater pipe, for Left Hand Drive (LHD). Porsche 928 1978-95 - 92857410603
92857410603/1
Vehicle Group
- Porsche 928 4.5L 1978-82
- Porsche 928S 4.7L 1981-83
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Information
Coolant / Heater pipe, for Left Hand Drive only
The Genuine Porsche 92857410603 coolant / heater pipe is an OE cooling and heater system pipe for Left Hand Drive Porsche 928 1978–1995 models. It helps route coolant through the heater circuit, supporting correct cabin heater operation and cooling system function. Ideal for replacing a leaking, corroded or damaged original pipe while maintaining Genuine Porsche fitment and quality.
Fits:
for LHD (Left hand drive) cars only
Porsche 928 1978 - 1995
Diagram ref no 5
The coolant / heater pipe carries engine coolant through the heater circuit, allowing hot coolant to flow to the heater system for cabin heating and demisting. A correctly fitted pipe helps maintain coolant flow, system pressure, and heating performance while preventing leaks from aged or corroded pipework.
Functions
• Replaces the coolant / heater pipe
• Designed for Left Hand Drive vehicles
• Routes coolant through the heater circuit
• Supports cabin heater and demister operation
• Helps maintain cooling system pressure and circulation
• Helps prevent coolant leaks from worn or corroded pipework
• Suitable for heater system service, coolant leak repair, or restoration
• OE Match replacement for Porsche 928 heating and cooling system maintenance.
Why Replace This Part?
Coolant and heater pipes can corrode, crack, block, leak, or become damaged due to age, coolant exposure, heat cycles, pressure, and long-term use. A worn pipe may cause coolant loss, poor heater performance, coolant smell, dampness, pressure loss, or overheating symptoms. Replacing the pipe helps restore reliable coolant flow and heater system operation.
When to Replace This Part
• Coolant leak is visible from the heater pipe area
• Pipe is corroded, cracked, damaged, or blocked
• Heater output is poor or inconsistent
• Coolant smell or residue is present
• Cooling system pressure loss is detected
• Heater system or cooling system service is being carried out
• Vehicle is undergoing Porsche 928 restoration or preventive maintenance
Where it fits on the car
This pipe fits within the coolant / heater circuit on Left Hand Drive Porsche 928 models. It forms part of the coolant routing between the engine cooling system and the cabin heater system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857410603
The product you are viewing cross references to these numbers
The Genuine Porsche 92857410603 coolant / heater pipe is an OE cooling and heater system pipe for Left Hand Drive Porsche 928 1978–1995 models. It helps route coolant through the heater circuit, supporting correct cabin heater operation and cooling system function. Ideal for replacing a leaking, corroded or damaged original pipe while maintaining Genuine Porsche fitment and quality.
Fits:
for LHD (Left hand drive) cars only
Porsche 928 1978 - 1995
Diagram ref no 5
The coolant / heater pipe carries engine coolant through the heater circuit, allowing hot coolant to flow to the heater system for cabin heating and demisting. A correctly fitted pipe helps maintain coolant flow, system pressure, and heating performance while preventing leaks from aged or corroded pipework.
Functions
• Replaces the coolant / heater pipe
• Designed for Left Hand Drive vehicles
• Routes coolant through the heater circuit
• Supports cabin heater and demister operation
• Helps maintain cooling system pressure and circulation
• Helps prevent coolant leaks from worn or corroded pipework
• Suitable for heater system service, coolant leak repair, or restoration
• OE Match replacement for Porsche 928 heating and cooling system maintenance.
Why Replace This Part?
Coolant and heater pipes can corrode, crack, block, leak, or become damaged due to age, coolant exposure, heat cycles, pressure, and long-term use. A worn pipe may cause coolant loss, poor heater performance, coolant smell, dampness, pressure loss, or overheating symptoms. Replacing the pipe helps restore reliable coolant flow and heater system operation.
When to Replace This Part
• Coolant leak is visible from the heater pipe area
• Pipe is corroded, cracked, damaged, or blocked
• Heater output is poor or inconsistent
• Coolant smell or residue is present
• Cooling system pressure loss is detected
• Heater system or cooling system service is being carried out
• Vehicle is undergoing Porsche 928 restoration or preventive maintenance
Where it fits on the car
This pipe fits within the coolant / heater circuit on Left Hand Drive Porsche 928 models. It forms part of the coolant routing between the engine cooling system and the cabin heater system.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857410603
92857410603
The product you are viewing cross references to these numbers
Price: €196.35
Orderable
Related products
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 to heater flaps.
Fits:
Porsche 993 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99357278
The product you are viewing cross references to these numbers
Fits:
Porsche 993 1994-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 5.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99357278
99357278501
99357278601
The product you are viewing cross references to these numbers
Prices from: €232.82
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. 72x2.0
Fits:
Porsche 993 1994-98
PLEASE NOTE: This part comes in one piece. It needs to be cut to size. It will be enough to replace all 4 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 piece. It needs to be cut to size. It will be enough to replace all 4 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: €359.80
In stock
Vehicle Group
- 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
Information
Hot Air Duct For Blower.
Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 7.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96421132303
The product you are viewing cross references to these numbers
Fits:
Porsche 964 1989-94
Porsche 993 1995-98
Click 'Zoom in' for large parts diagram.
Diagram ref no 7.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96421132303
96421132303
The product you are viewing cross references to these numbers
Price: €353.01
Orderable