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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 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005

Fits:
Porsche 996 C2 / C4 / C4S 1998-05 Tiptronic Gearbox
Click 'Zoom in' to see the diagram.
Diagram ref no 33.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610622266
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Requires pipe 99610624354
Fits:
Porsche 996 C2 / C4 1998-01 3.4L
This product supersedes Porsche's old part numbers:
- 99610625053
- 99610625054
- 99610625055
- 99610685000
Diagram ref no 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610685005
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005

Fits:
Porsche 996 C2 / C4 / C4S 1998-05
This product supersedes Porsche's old part numbers:
- 99610650253
- 99610650254
Click 'Zoom in' to see the diagram.
Diagram ref no 24.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610650256
The product you are viewing cross references to these numbers
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