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Belts / Tensioners / Rollers
By OE Match
- Porsche 996 TURBO 2000-05
- Porsche 996 GT2 2001-05
Accessory Drive Belt Pulley used in aux/serpentine belt drive system. This pulley guides and stabilizes the belt path to maintain proper belt tension control and smooth accessory operation. Over time, pulley bearings can wear from heat and mileage, causing squealing/whining, belt vibration, or uneven belt tracking. Replacing a worn pulley helps restore quiet operation and reduces the risk of belt failure that can leave you stranded. This OE Match pulley is built to match original fit and function for a direct install solution ideal for preventative maintenance or resolving belt noise and bearing wear.
Fits:
Porsche 996 Turbo / GT2
Diagram ref no 5
Key features:
- OE Match quality (fit/function equivalent to OE)
- Smooth, stable belt guidance to reduce belt slip and vibration
- Helps eliminate squeal/whine caused by worn pulley bearings
- Direct-fit replacement for straightforward installation
- Often referenced as idler pulley / tensioner pulley / tensioning roller
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99611501672
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 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
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
- 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 Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

Fits:
Porsche 996 Carrera
Porsche 986 Boxster
Porsche 997 Carrera MKI
Porsche 987 Boxster MKI
Porsche 987C Cayman MKI
Click 'Zoom in' for large parts diagram.
Diagram ref no 27
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610215168
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 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
- Porsche 996 GT3 MKI 1999-02
- Porsche 996 GT3 MKII 2003>>
- Porsche 996 GT3 RS 2003-04
This OE Match water pump drive belt is a replacement engine drive belt for Porsche 996 and Boxster 986 models without air conditioning. It is designed to match the original-style fitment and function. This replacement belt helps drive the water pump, supporting correct coolant circulation and reliable engine cooling performance.
Fits:
Porsche 996 Carrera 1997 - 2005
Porsche 986 Boxster 1997 - 2004
Diagram ref no 27
The water pump drive belt transfers rotational drive from the engine pulley to the water pump. This allows coolant to circulate through the engine and radiator system, helping regulate engine temperature and protect the engine from overheating.
Functions
• Replaces the water pump drive belt
• Drives the engine water pump
• Supports correct coolant circulation
• Helps maintain stable engine operating temperature
• Suitable for vehicles without air conditioning
• Replaces cracked, glazed, stretched, frayed, noisy, or slipping belts
• OE Match replacement for Porsche 996 and Boxster 986 cooling system service.
Why Replace This Part?
Water pump drive belts wear over time due to heat, engine vibration, pulley contact, age, and tension changes. A worn belt can crack, glaze, stretch, fray, squeal, slip, or fail completely. If the belt fails, the water pump may stop circulating coolant, which can lead to overheating, coolant temperature warnings, or serious engine damage. Replacing the belt helps maintain dependable cooling system performance.
When to Replace This Part
• The water pump drive belt is cracked, glazed, frayed, loose, or worn
• Belt squeal or chirping is heard during start-up or acceleration
• Coolant temperature rises higher than normal
• The water pump, pulleys, or tensioning components are being serviced
• Preventative belt replacement is being carried out during scheduled maintenance
• The cooling system is being inspected or repaired
• The vehicle is undergoing Porsche 996 or Boxster 986 engine service.
Where it fits on the car
This belt fits within the water pump drive system on Porsche 996 and Boxster 986 models without air conditioning. It runs around the relevant pulleys according to the factory belt routing.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610215167
The product you are viewing cross references to these numbers
OEMatch Belts / Tensioners / Rollers — Fit, Function, Confidence
These belts, tensioners and rollers control engine timing and auxiliary drives on Porsche models and are commonly replaced during major services and engine rebuilds to restore precise operation and reduce the risk of future failures. Many owners search for genuine or OEM belts; OEMatch offers compatible alternatives engineered to match original-spec dimensions and tolerances for common Porsche applications.
- Timing belts and cambelts
- Auxiliary and serpentine belts
- Tensioner assemblies and hydraulic tensioners
- Idler and guide rollers
- Complete timing kits
Understanding OEMatch Belts / Tensioners / Rollers
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original belts, tensioners and rollers.
OE (Original Equipment) refers to parts matching original specifications for the belts, tensioners and rollers and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM belts, tensioners and rollers engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models. OEMatch maintains a wide Porsche-focused catalogue and supports vehicle maintenance with thousands of cross-references and a continuing programme of new part development to help keep Porsche vehicles on the road.
Benefits Include
- Restored timing precision after rebuilds or major services
- Reduced risk of belt slip, noise and bearing failures
- Improved reliability for high-temperature and high-mileage applications
Why Belts / Tensioners / Rollers Wear and Fail
- Ageing rubber and heat exposure causing cracks or loss of flexibility
- Worn bearings in rollers or tensioners generating noise and vibration
- Loss of correct tension leading to slippage or timing misalignment
- Contamination from oil or coolant degrading belt materials
The Importance of Replacing with OEMatch Belts / Tensioners / Rollers
Replacing belts, tensioners and rollers during an engine rebuild or scheduled maintenance restores correct timing relationships, reduces the chance of catastrophic engine damage and supports long-term engine reliability on Porsche models. Using refreshed tensioners and rollers alongside new belts helps ensure even loading, quieter running and consistent operation across the rev range, protecting valves, pistons and ancillary drives.
Advantages
- Parts selected for Porsche applications and original-spec dimensions
- Complete kits available to simplify rebuilds and avoid mixing old and new components
- Options covering timing and auxiliary systems to match common service requirements