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Water Cooling Pipe, Tiptronic Transmission. Porsche 986 Boxster / 987 Boxster / Cayman 2000-08 ❭ 99610667201
- 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
Restore proper coolant flow through your Porsche’s automatic transmission oil cooler circuit with this genuine OEM cooling pipe. Designed for models with rear-engine layout and automatic transmission, this pipe ensures proper coolant routing, prevents leaks and supports optimal engine/transmission temperature control.
Fits:
- Porsche Boxster 986 2.7L 2000-02
- Porsche Boxster S 986 3.2L 2000-02
- 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
249 - Tiptronic Transmission
Diagram Ref No 15
What This Product Does:
- The pipe directs coolant (engine coolant / water mixture) through the cooling system, often routing it through or around a transmission/automatic-gearbox oil cooler in vehicles with Tiptronic/automatic transmissions.
- It helps regulate fluid temperature (coolant & possibly transmission oil) by providing proper coolant flow in the rear-engine bay area.
- Maintaining correct coolant flow through this pipe ensures the engine/transmission oil cooler stays effective, temperatures remain controlled, and the vehicle’s cooling system functions safely.
- Coolant leaks or drips in the rear of the engine bay where this pipe is located—looking for coolant residue, wetness, corrosion around the pipe connections.
- Reduced cooling performance: If coolant isn’t flowing properly (for example if the pipe is cracked, collapsed internally or blocked), you might see higher than normal engine or transmission oil temperatures, especially under heavy load or sustained driving.
- Visible damage, cracks, splits or heat/rubber deterioration (if part of the pipe has rubber sections or is routed near hot components) — Because rear-engine compartments get hot, pipes near the automatic trans oil cooler are subject to thermal/age stress.
- During servicing: If you are already removing parts of the cooling system, oil cooler, or automatic transmission heat exchanger, and you notice the pipe is old, brittle or worn—replacing it while access is available prevents future failure.
- Cooling system integrity: This pipe is part of the critical route for coolant (and possibly transmission oil cooling). A failure or leak can reduce the cooler’s effectiveness, leading to elevated temperatures and increased wear or damage to the transmission or engine.
- Prevention of bigger failures: A leaking or collapsed pipe may lead to coolant loss, cross-contamination, or overheating—which are much more serious and expensive to fix than replacing the pipe itself.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610667201
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII Turbo 2010-13

Fits:
Porsche 997 MKI Carrera All.
997 Carrera 2 3.6L 2005>>
997 Carrera 2S 3.8L 2005>>
997 Carrera 4 3.6L 2005>>
997 Carrera 4S 3.8L 2005>>
Porsche 997 MKI Turbo
Porsche 997 MKII Carrera All. 2009>>
997 Carrera 2 3.6L 2009>>
997 Carrera 2S 3.8L 2009>>
997 Carrera 4 3.6L 2009>>
997 Carrera 4S 3.8L 2009>>
Porsche 997 MKII Turbo 2009>>
Diagram Ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710680902
The product you are viewing cross references to these numbers
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
Water Coolant Pipe, Supply.

Fits:
Porsche 997.1 2005-08
Porsche 997.2 2009-12
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99710661032
The product you are viewing cross references to these numbers
- Porsche Boxster 987 MKII 2.9L 2009-12
- Porsche Boxster S 987 MKII 3.4L 2009-12
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12

Fits:
Porsche 987.2 Boxster 2009-12
Porsche 987C.2 Cayman 2009-12
Porsche 997.2 Carrera 2009-12
Porsche 997.2 Turbo 2010-13
Porsche 997 GT3 2014-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 7
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9A110231200
The product you are viewing cross references to these numbers
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