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- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
Fits:
Porsche 924 2.0L 1976-85
Click 'Zoom in' for large parts diagram.
Diagram ref no 31
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
047121175
The product you are viewing cross references to these numbers
- 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
Coolant Hose - Water Pump to Solid Coolant Pipe for the Heating System
Maintain reliable coolant circulation and efficient cabin
heating with this OE Match Coolant Hose, designed for Porsche 924S
and Porsche 944 models. This hose connects the water pump to the solid coolant
pipe that feeds the vehicle's heating system, playing a vital role in both
engine temperature regulation and heater performance.
Fits:
- 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
Diagram ref no 11
Manufactured to OE specifications, this replacement coolant hose delivers the correct fit, durability and resistance to the high temperatures and pressures found within the Porsche cooling system. Whether you are performing routine maintenance, addressing coolant leaks or restoring a classic transaxle Porsche, replacing ageing coolant hoses helps protect against overheating and cooling system failures.
What Does the Water Pump to Heater Coolant Pipe Hose Do?
The coolant hose connecting the water pump to the solid coolant pipe is an important part of the Porsche 924S and Porsche 944 cooling and heating system. It allows coolant to flow from the water pump into the heater circuit, supplying warm coolant to the heater matrix while maintaining proper coolant circulation throughout the engine.
This hose helps:
- Transfer coolant efficiently through the heating system.
- Maintain stable engine operating temperatures.
- Provide consistent cabin heating performance.
- Support proper coolant circulation throughout the cooling system.
- Prevent pressure loss within the coolant circuit.
Without a properly functioning hose, coolant flow can be compromised, leading to heating issues, coolant leaks and potential engine overheating.
Why Does Coolant Hose 94410624103 Fail?
Like all rubber cooling system components, coolant hoses
deteriorate over time due to age and operating conditions. Common causes of
failure include:
Continuous
exposure to high engine temperatures.
- Coolant chemical degradation.
- Internal hose deterioration.
- Hardening and loss of flexibility.
- Surface cracking and perishing.
- Swelling caused by age and pressure cycles.
- Fatigue around hose clamp connections.
As Porsche 924S and Porsche 944 models continue to age, original coolant hoses often become brittle and prone to sudden failure, even when no external damage is immediately visible.
When Should This Coolant Hose Be Replaced?
Cooling system hoses should be inspected regularly and
replaced whenever signs of wear are detected. Replacement is recommended if you
notice:
- Coolant leaks around the hose connections.
- Cracks, splits or perishing.
- Bulges or swelling in the hose wall.
- Soft or excessively hardened sections.
- Reduced heater performance.
- Unexplained coolant loss.
- During water pump replacement or cooling system refurbishment.
Preventative replacement is strongly recommended during major cooling system servicing to avoid unexpected breakdowns and expensive engine repairs.
Porsche 924S & 944 Cooling and Heating System Maintenance
For owners searching for a Porsche 944 heater hose replacement, Porsche 924S coolant hose 94410624103, water pump to heater pipe hose or Porsche cooling system repair part, this OE Match replacement provides dependable performance and original-style fitment.
The cooling and heating systems on Porsche transaxle models rely on a network of hoses, pipes and coolant passages to maintain temperature control and cabin comfort. Replacing ageing coolant hoses alongside the water pump, thermostat, expansion tank, radiator hoses and heater components helps preserve reliability and maximise cooling efficiency.
Suitable for a range of Porsche 924S and Porsche 944 applications, this OE-quality hose is designed to restore proper coolant circulation and heating system performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410624103
The product you are viewing cross references to these numbers
- Porsche 924 2.0L 1976-79
- Porsche 924 2.0L 1980-85
- Porsche 924 Turbo 2.0L 1979-81
- Porsche 924 Turbo 2.0L 1982-84
- Porsche 924 Carrera GT 2.0L 1981
- Porsche 924 Carrera GTS 2.0L 1982
The OE Match Engine Coolant Water Pump Hose is a replacement cooling-system hose for selected Porsche 924 2.0L models.
Fit:- Porsche 924 1976-85
Diagram Ref No 1
Located within the engine water-cooling circuit, this hose connects into the water-pump side of the system and carries engine coolant as it circulates between the engine and the rest of the cooling network.
The water pump is responsible for continuously moving coolant through the engine, hoses and radiator. The hose therefore forms an important part of the sealed, pressurised cooling circuit.
Over time, repeated exposure to hot coolant, cooling-system pressure, engine-bay heat and vibration can cause the original rubber hose to harden, swell, crack or weaken internally.
A deteriorated hose can begin with only a small seep but may eventually split or rupture, causing rapid coolant loss and potentially serious engine overheating.
Replacing an ageing or damaged water-pump hose helps restore coolant-system integrity, maintain correct circulation and protect the engine from excessive operating temperatures.
What This Product Does:
The Engine Coolant Water Pump Hose carries coolant through the water-pump section of the engine cooling circuit.
Its main functions are to:
- Carry coolant to or from the water pump.
- Maintain continuous coolant circulation.
- Help regulate engine operating temperature.
- Maintain a sealed cooling system.
- Withstand normal cooling-system pressure.
- Accommodate engine vibration and thermal movement.
- Prevent coolant loss.
- Support correct radiator and engine cooling performance.
Symptoms Of Wear Or Failure:
Common symptoms include:
- Visible coolant leakage.
- Coolant residue around the hose.
- Damp hose ends.
- Gradual coolant loss.
- Low coolant level.
- Sweet coolant smell.
- Drips beneath the vehicle.
- Cracks in the rubber.
- Hardened hose material.
- Soft or swollen sections.
- Bulging.
- Leakage around clamps.
- Engine temperature rising above normal.
- Steam following a major leak.
Why Replacement Matters:
Replacing a worn or damaged Engine Coolant Water Pump Hose helps restore:
- Correct coolant circulation.
- Cooling-system pressure integrity.
- Reliable sealing.
- Stable engine temperature.
- Reduced risk of sudden coolant loss.
- Long-term cooling-system reliability.
- Protection against overheating.
A replacement hose is a relatively inexpensive preventative repair compared with the potential cost of engine damage caused by overheating.
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046121051
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