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Connecting Hose Heater Valve. Porsche 928 1985-95 › 92857456703
- 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Related, superseded, cross reference or alternative numbers for comparison.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
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