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Maintain reliable cooling system performance with the Reservoir Coolant Hose. This OE MATCH hose is designed to transfer coolant between the coolant reservoir (expansion tank) and the engine cooling system, helping ensure proper coolant circulation and stable system pressure.
Fits:
- Porsche Boxster 718 2.0L Manual (300 Bhp) 2017>>
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- Porsche Boxster S 718 2.5L Manual (350 Bhp) 05/2017>>
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- Porsche Boxster T 718 2.0L Manual (300 Bhp) 01/2019>>
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- Porsche Cayman S 718 2.5L Manual (350 Bhp)
- Porsche Cayman S 718 2.5L PDK (350 Bhp)
- Porsche Cayman T 718 2.0L Manual (300 Bhp)
- Porsche Cayman T 718 2.0L PDK (300 Bhp)
- Porsche Cayman GTS 718 2.5L Manual (365 Bhp)
- Porsche Cayman GTS 718 2.5L PDK (365 Bhp)
Diagram Ref No 6
What This Product Does:
- Moves coolant to and from the coolant reservoir
- Helps maintain proper coolant level and circulation
- Supports cooling system pressure balance during temperature changes
- Prevents overheating by ensuring consistent coolant flow
Symptoms Of Wear Or Failure:
- Coolant leaks near the reservoir or along the hose line
- Low coolant warning light
- Frequent coolant top-offs
- Sweet coolant smell from the engine bay
- Coolant residue or staining around hose connections
- Cracks, splits, or swelling in the hose material
- Soft, spongy, or brittle rubber texture
- Pressure-related seepage around clamps or fittings
- Engine running hotter than normal if coolant loss becomes severe
- Replacing a worn reservoir coolant hose is important because it helps maintain proper coolant circulation and supports stable cooling system pressure. Over time, heat and constant exposure to coolant can cause the hose to crack, weaken, or leak.
- If the hose fails, it may lead to coolant loss, poor pressure regulation, and overheating. Even small leaks can gradually reduce coolant levels and put the engine at risk of serious damage.
- Installing a new hose helps prevent leaks, restores reliable coolant flow, and protects the engine by keeping the cooling system operating efficiently.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
982121625B
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
Porsche 987 Boxster / Boxster S 2005-08 (I480 / I481)
Porsche 987c Cayman / Cayman S 2006-08 (I480)
Porsche 986 All manual 1997-2004 (I480) / (I481)
* I480 - 6-speed manual transmission
* I481 - 5th-speed manual transmission
This product supersedes Porsche's old part numbers:
- 996 106 222 15
Click "Zoom in" to see the diagram.
Diagram ref no 10.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610622217
The product you are viewing cross references to these numbers
- Porsche Boxster 987 2.7L 2005-08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Fits:
Porsche 987 Boxster 2.7L
Porsche 987 Boxster S 3.2L / 3.4L
Porsche 987C Cayman 2.7L
Porsche 987C Cayman S 3.4L
Click 'Zoom in' for large parts diagram.
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98710650804
The product you are viewing cross references to these numbers
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Oil And Coolant Caps With Seals Included.
Fits:
Porsche 987.1 Boxster MKI 2005>>2008
Porsche 987.2 Boxster MKII 2009>>2012
Porsche 987.1 Cayman MKI 2005>>2008
Porsche 987.2 Cayman MKII 2009>>2012
Diagram Ref No 1 (Diagram Ref No 3, 4, 5 And 6 Included)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98710615002
The product you are viewing cross references to these numbers