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Porsche // 928 (1978-1995) // 928GT 5.0L 1989-91
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- 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 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 Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Fits:
Models With Luggage Compartment Cooling System (PR 575)
Porsche 987 Boxster 2005-12
Porsche 987-2 Cayman 2009-12
Porsche 997-2 Carrera 2009-12
Diagram ref. 8.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99757259302
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 928 - 1978 to 1995
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92757458703
The product you are viewing cross references to these numbers
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Heater Valve Connecting Hose – Coolant System Hose
High-quality replacement heater valve connecting hose designed for Porsche 928 models from 1985 to 1995.
This hose connects the heater valve within the cooling
system, allowing proper coolant flow to the heater matrix. It plays a critical
role in maintaining effective cabin heating and overall cooling system
performance.
Fits:
- Porsche 928S2 4.7L 1985-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 4
Manufactured to OEM specifications, this hose ensures precise fitment, durability, and resistance to heat and pressure—ideal for maintenance, repair, or restoration of your Porsche 928.
Key Features
• Direct replacement heater valve connecting hose
• Suitable for Porsche 928 (1985–1995)
• Ensures correct coolant flow to heater system
• OEM-style fit and performance
• Heat- and pressure-resistant construction
• Ideal for cooling and heating system maintenance
Function and Purpose
This hose forms part of the vehicle’s cooling and heating system.
It helps to:
• Transfer coolant to and from the heater valve
• Support efficient cabin heating performance
• Maintain proper coolant circulation
• Prevent leaks and pressure loss within the system
Why Replace Your Heater Hose
Over time, coolant hoses can degrade due to heat cycles and ageing.
Common issues include:
• Cracking or hardening of rubber
• Coolant leaks
• Reduced heating efficiency
• Risk of hose failure under pressure
Replacing the hose restores system reliability and prevents costly damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857456703
The product you are viewing cross references to these numbers
- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Heater Valve Connecting Hose – Coolant System Hose
High-quality replacement heater valve connecting hose designed for Porsche 928 models from 1985 to 1995.
This hose connects the heater valve within the cooling
system, allowing proper coolant flow to the heater matrix. It plays a critical
role in maintaining effective cabin heating and overall cooling system
performance.
Fits:
- Porsche 928S2 4.7L 1985-86
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 4
Manufactured to OEM specifications, this hose ensures precise fitment, durability, and resistance to heat and pressure—ideal for maintenance, repair, or restoration of your Porsche 928.
Key Features
• Direct replacement heater valve connecting hose
• Suitable for Porsche 928 (1985–1995)
• Ensures correct coolant flow to heater system
• OEM-style fit and performance
• Heat- and pressure-resistant construction
• Ideal for cooling and heating system maintenance
Function and Purpose
This hose forms part of the vehicle’s cooling and heating system.
It helps to:
• Transfer coolant to and from the heater valve
• Support efficient cabin heating performance
• Maintain proper coolant circulation
• Prevent leaks and pressure loss within the system
Why Replace Your Heater Hose
Over time, coolant hoses can degrade due to heat cycles and ageing.
Common issues include:
• Cracking or hardening of rubber
• Coolant leaks
• Reduced heating efficiency
• Risk of hose failure under pressure
Replacing the hose restores system reliability and prevents costly damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92857456703
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