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Expansion Tank 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.
Related reference numbers
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WATERPIPEKIT944T
The product you are viewing cross references to these numbers
This kit is comprised of the following items:
- 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 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
- 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
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Clamp D1 20x15 – Multi-Position Clamp
High-quality D1 20x15 clamp designed for securing various components across Porsche 924S, 944, 928, 964, and 993 models.
This versatile clamp is used in multiple applications including bonnet release cables (924S / 944), expansion tank hoses (944), engine wiring loom (928 S4), injection vacuum hoses (964), and brake reservoir connections (993).
Fits:
- 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 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
- 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
- Porsche 928S4 5.0L 1987-92
- Porsche 928GT 5.0L 1989-91
- Porsche 928GTS 5.4L 1992-95
Diagram ref no 24
Manufactured to OEM specifications, this clamp ensures secure fitment, durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration across multiple Porsche systems.
Key Features
• Clamp size D1 20x15
• Suitable for Porsche 964S, 944, 928, 964, and 993
• Part number 99951117701
• Multi-use: cables, hoses, wiring looms, vacuum lines
• Ensures secure mounting and routing
• Prevents vibration-related wear and movement
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually
Function and Purpose
This clamp is designed to secure a wide range of components.
It helps to:
• Hold cables, hoses, and wiring looms in place
• Maintain correct routing and alignment
• Prevent vibration-related wear or damage
• Protect sensitive systems such as wiring and vacuum lines
• Ensure long-term reliability across multiple systems
Why Replace Clamps
Clamps can degrade over time due to heat and environmental exposure.
Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Movement of hoses, cables, or wiring
• Increased risk of system wear or failure
Replacing worn clamps ensures proper securing and protects critical components.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99951117701
The product you are viewing cross references to these numbers
- Porsche 944 Turbo 2.5L 8V 1985-88
Fits:
Porsche 944 Turbo 2.5L 1986-87
Click 'Zoom in' for large parts diagram.
Diagram ref no 36
Related reference numbers
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95110624706
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
- 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 924S 1986-88
Porsche 944 1987-91
Porsche 968 1992-95
Click "Zoom in" to see the diagram.
Diagram ref no 21.
Related reference numbers
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94410625100
The product you are viewing cross references to these numbers
- 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 35.
Related reference numbers
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95110625102
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
Fits:
Porsche 944 1982-85
Click 'Zoom in' to see the diagram.
Diagram ref no 10.
Related reference numbers
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94410624501
The product you are viewing cross references to these numbers
- Porsche 944 2.5L 8V 1982-87
- Porsche 944 2.7L 8V 1988-89
- Porsche 944S 2.5L 16V 1987-88
Fits:
Porsche 944 1985-88
Click 'Zoom in' to see the diagram.
Diagram ref no 10.
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94410624502
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
Fits:
Porsche 924S 1986-88
Porsche 944 1982-85
Porsche 944.2 2.7L 1989-91
Click 'Zoom in' for large parts diagram.
Diagram ref no 32
Related reference numbers
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94410624903
The product you are viewing cross references to these numbers
- 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
Fits:
Porsche 968 1992-95
Porsche 944 1985-91
Click 'Zoom in' for large parts diagram.
Diagram ref no 34.
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95110624901
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OEMatch Expansion Tank Hoses — Durability, Sealing, Performance
OEMatch Expansion Tank Hoses for Porsche models form part of the vehicle's cooling system, linking the coolant reservoir to the engine and radiator. Proper hose condition supports stable pressure and coolant recovery during temperature changes and reduces the risk of leaks or overheating.
Available Types
- Moulded hose assemblies designed for specific mounting routes
- Reinforced rubber hoses with beaded ends for clamp connections
- Silicone high-temperature hoses used in some applications
Understanding OEMatch Expansion Tank Hoses
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original expansion tank hoses. OE (Original Equipment) refers to parts matching original specifications for the expansion tank hoses and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM expansion tank hoses engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Expansion tank hoses transfer coolant between the reservoir and the cooling circuit, accommodating pressure and volume changes as the engine warms and cools. They must resist heat, coolant chemistry and pressure to maintain sealing at connectors and clamps. On Porsche models these hoses follow specific routing and often include shaped sections or moulded ends to fit tight clearances.
Benefits Include
- Restored coolant flow and pressure regulation
- Reduced risk of leaks and air ingress into the cooling system
- Improved temperature stability for the engine and ancillary components
Why Expansion Tank Hoses Wear and Fail
- Repeated heat cycles causing rubber fatigue and cracking
- Degradation from coolant additives and chemical exposure
- Failure of clamps, connections or moulded terminations leading to leaks
The Importance of Replacing with OEMatch Expansion Tank Hoses
A failing expansion tank hose can allow coolant loss, introduce air into the circuit or upset system pressure, any of which can lead to overheating and potential engine damage. Replacing worn hoses is a preventative maintenance task that helps maintain cooling system integrity and avoids secondary faults.
Advantages
- Direct-fit replacements engineered to match original dimensions and tolerances
- Selected for Porsche applications to suit original routing and clearances
- Supplied in materials chosen for resistance to coolant and heat exposure
Support & Advice
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.
