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Radiator Top / Bottom Hoses
By OE Match
- Porsche 944 Turbo 2.5L 8V 1989-91
This OE Match Complete Water Hose Kit is a comprehensive cooling system refresh package designed specifically for the Porsche 944 2.5L Turbo (1989–1991). The kit includes all primary coolant hoses required to restore proper coolant circulation throughout the engine and turbo cooling system.
Fits:
Porsche 944 2.5L Turbo 1989 - 1991
Diagram ref no 11, 12, 13, 14, 16, 17, 19, 25, 33 and 36A
The Porsche 944 Turbo (951) operates under significant thermal load due to its turbocharged engine. Over time, original rubber coolant hoses are subjected to:
• High operating temperatures
• Coolant pressure cycles
• Turbo heat exposure
• Age-related rubber degradation
This can lead to cracking, swelling, softening, internal breakdown, or sudden coolant leaks - all of which increase the risk of overheating and engine damage.
This kit includes 12 factory-spec coolant hoses for a full cooling system refresh and improved reliability under boost.
Replacing the full set at once ensures consistent material age, improved reliability, and reduces the risk of future weak points within the cooling circuit.
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WATERPIPEKIT944T
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This kit is comprised of the following items:
- 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
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
Fits:
- 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
- Porsche 968 3.0L 1992-94
- Porsche 968 Sport 3.0L 1994-95
- Porsche 968 CS 3.0L 1993-95
- Porsche 968 Turbo S 3.0L 1993-94
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95110623704
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- Porsche 944 2.5L 8V 1982-87
Fits:
Porsche 944 1982-85
Diagram ref no 8
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94410623705
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- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
Direct-fit replacement hose for the radiator lower hose on Porsche 944 road cars (models 1985 through 1989). It connects the bottom outlet of the radiator to the water pump inlet, forming a critical part of the engine’s coolant circulation system. Precision-moulded to original shape and dimensions, this hose fits exactly as the factory part did - ensuring correct routing, secure sealing, and reliable coolant flow under pressure and high engine temperatures.
Fits:
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
• Application: Lower radiator hose — radiator bottom outlet → water pump inlet.
• Ideal Use Cases: Cooling system maintenance, hose replacement during service, overheating prevention, or when original hose shows wear, cracks or leaks.
Coolant hoses are subject to continuous heat cycling, coolant chemical exposure, and flexing from engine vibration. Over time the rubber can degrade - becoming brittle, soft, cracked, or swollen. A failing radiator hose may lead to:
• Coolant leaks - causing low coolant levels or visible drips under the car.
• Engine overheating - risking long-term engine damage or immediate breakdown.
• Loss of coolant pressure or air ingress - potentially reducing cooling system efficiency.
Using a new hose restores reliable coolant circulation, helps prevent leaks, supports stable engine temperature, and reduces the risk of costly engine overheating or damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94410623707
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- 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
Fits:
Porsche 944 1985-91
Click 'Zoom in'" to see the diagram.
Diagram ref no 9.
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94410623907
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- Porsche 944 Turbo 2.5L 8V 1985-88
- Porsche 944 Turbo 2.5L 8V 1989-91
- Porsche 944 Turbo S 2.5L 8V 1988
Fits:
Porsche 944 Turbo 1985-91
Click 'Zoom in' to see the diagram.
Diagram ref no 14.
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95110624101
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- Porsche 944 2.5L 8V 1982-87
Fits:
Porsche 944 2.5L 1981-1983 Engine type: 4401 / 4402 / 4403 / 4404
M >> 41D 1285
M >> 41D 5164
M >> 43D 3439
M >> 43D 5517
Click 'Zoom in' for large parts diagram.
Diagram ref no 9
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94410623912
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- Porsche 944S 2.5L 16V 1987-88
- Porsche 944S2 3.0L 16V 1989-91
Fits:
Porsche 944 S 2.5L 1987-85
Porsche 944 S2 3.0L 1989-91
Diagram ref no 25.
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94410623906
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- Porsche 944 2.5L 8V 1982-87
This replacement coolant hose connects the upper radiator outlet to the cylinder head on early Porsche 944 models (1983-85). This hose conforms to original Porsche specifications in diameter, length, routing, and material grade. Constructed from high-temperature-resistant rubber with the correct wall thickness, it restores proper coolant flow, prevents leaks, and maintains the reliability of the vehicle's cooling system.
Fits:
Porsche 944 1983 - 1985
Engine type: 4401 / 4402 / 4403 / 4404
M 41D 1286 >>
M 41D 5165 >>
M 43D 3440 >>
M 43D 5518 >>
Diagram ref no 9A.
• Position on Vehicle: Engine bay – upper radiator hose connecting the top of the radiator to the cylinder head.
The upper radiator hose is a critical link in the engine’s cooling circuit: if it fails, you risk coolant leaks, overheating, engine damage, loss of heater performance and unexpected roadside breakdowns. Symptoms of a failing hose include bulging, cracking, coolant smell, visible coolant loss or temperature rise. Replacing the hose ensures proper coolant delivery, secure clamping, correct routing and long-term reliability.
When and why to replace:
• Visible cracks, bulging or soft spots on the existing hose.
• Hose has become hard, inflexible or distorted and may collapse under engine vacuum/pressure.
• Leaks or coolant loss are detected at the top radiator connection.
• During cooling system service: radiator removal, cylinder head service or hose age exceeds recommended lifespan (especially on classic vehicles).
• When the vehicle is undergoing restoration and you require correct-spec parts for peace of mind and authenticity.
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94410623902
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Radiator top and bottom hoses carry coolant between the engine and the radiator on Porsche models, helping to regulate operating temperature and support reliable running across everyday use and more demanding driving. OEMatch radiator top and bottom hoses are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable.
Available Types- Moulded top hose and shaped bottom hose to match common Porsche coolant routing
- Reinforced rubber and fabric-wrapped constructions for higher temperature or pressure applications
- Complete hose assemblies including integrated fittings where applicable
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original radiator top and bottom hoses. OE (Original Equipment) refers to parts matching original specifications for the radiator top and bottom hoses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM radiator top and bottom hoses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. Radiator hoses route hot coolant to the radiator and return cooled fluid to the engine; they are formed to fit around intake and accessory components and use clamps or quick-fit fittings to secure connections. OEMatch focuses on radiator top and bottom hose items selected for Porsche applications.
Benefits Include- Restored coolant flow and improved temperature stability
- Reduced risk of leaks and loss of coolant
- Materials chosen for heat resistance and flexibility to cope with engine movement
- Thermal ageing and repeated heat cycles cause rubber to harden and crack
- Chemical degradation from coolant additives can produce soft spots or swelling
- Abrasion, clamp wear or routing contact can lead to local damage and leaks
A failing hose can allow coolant loss and lead to overheating with risk to the engine. Replacing worn hoses maintains cooling circuit pressure and flow, supports stable engine temperature on Porsche models and reduces the chance of roadside breakdown. Fit the correct hose profile and use appropriate clamps or fittings to avoid leaks and ensure a reliable connection.
Advantages- Made to original-spec dimensions where applicable to aid fitment and routing
- Fits original mounting points and clearances to minimise refit work
- Available in multiple constructions to match repair needs and operating conditions
These items affect safety-critical systems. Installation should be carried out by a qualified technician following model-specific procedures and torque settings. Use calibrated tools and new fasteners where specified.
