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Tensioner blade. Porsche 986 Boxster 1997-02 / 996 3.4L 1998-01 - 99610517552
99610517552
Vehicle Group
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
Information
Timing chain tensioner blade
Original Porsche Genuine OE timing chain tensioner guide used in the timing system. It provides the guided surface against which the timing chain runs under tension, working together with the timing chain tensioner to ensure correct chain tension and positioning.
Sold each, 2 required per vehicle
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2002
Diagram ref no 30.
This timing chain tensioner guide is a factory-original Porsche component, engineered to the exact material, dimensions, and performance standards specified by Porsche. Installed within the engine’s timing case, it serves as a precision wear surface for the timing chain under the applying force of the hydraulic tensioner.
The timing chain tensioner guide works with the hydraulic tensioner to maintain consistent tension on the timing chain as it cycles over the crankshaft and camshaft sprockets. It provides a controlled sliding surface that helps prevent slack, reduces chain vibration and noise, and supports accurate cam/crank synchronization throughout the engine’s operating range.
Function: Mounted in the timing chain housing, this OEM guide interfaces directly with the tensioner assembly and the timing chain itself. As the hydraulic tensioner applies pressure, the guide helps distribute that force evenly across the chain’s path, ensuring that the chain remains correctly tensioned and aligned. This contributes to smooth, quiet timing system operation, consistent valve timing, and reduced risk of premature wear on timing chains and sprockets.
Timing chain tensioner guides are critical wear items in Porsche M96 engines. Over time, the guide surface can wear, deform, or develop grooves due to prolonged chain contact and heat cycling. A compromised guide can lead to slack, chain vibration, noise (“chain rattle”), and irregular chain travel - conditions that increase stress on the chain and sprockets, and can lead to premature system wear or failure. Replacing worn tensioner guides with Genuine Porsche OE parts restores the exact engineered surface and interaction with the timing chain and tensioner. This helps maintain quiet, accurate timing operation and protects the engine’s costly timing components.
When to replace:
• Noise from the timing chain area (rattle or chatter)
• During timing chain system inspection or overhaul
Visible wear or plastic debris from the guide surfaces
• High-mileage preventive maintenance
• Whenever the timing system is serviced or the tensioner is replaced
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517552
The product you are viewing cross references to these numbers
Original Porsche Genuine OE timing chain tensioner guide used in the timing system. It provides the guided surface against which the timing chain runs under tension, working together with the timing chain tensioner to ensure correct chain tension and positioning.
Sold each, 2 required per vehicle
Fits:
Porsche 986 Boxster 2.5L / 2.7L / 3.2L 1997 - 2002
Porsche 996 3.4L 1998 - 2002
Diagram ref no 30.
This timing chain tensioner guide is a factory-original Porsche component, engineered to the exact material, dimensions, and performance standards specified by Porsche. Installed within the engine’s timing case, it serves as a precision wear surface for the timing chain under the applying force of the hydraulic tensioner.
The timing chain tensioner guide works with the hydraulic tensioner to maintain consistent tension on the timing chain as it cycles over the crankshaft and camshaft sprockets. It provides a controlled sliding surface that helps prevent slack, reduces chain vibration and noise, and supports accurate cam/crank synchronization throughout the engine’s operating range.
Function: Mounted in the timing chain housing, this OEM guide interfaces directly with the tensioner assembly and the timing chain itself. As the hydraulic tensioner applies pressure, the guide helps distribute that force evenly across the chain’s path, ensuring that the chain remains correctly tensioned and aligned. This contributes to smooth, quiet timing system operation, consistent valve timing, and reduced risk of premature wear on timing chains and sprockets.
Timing chain tensioner guides are critical wear items in Porsche M96 engines. Over time, the guide surface can wear, deform, or develop grooves due to prolonged chain contact and heat cycling. A compromised guide can lead to slack, chain vibration, noise (“chain rattle”), and irregular chain travel - conditions that increase stress on the chain and sprockets, and can lead to premature system wear or failure. Replacing worn tensioner guides with Genuine Porsche OE parts restores the exact engineered surface and interaction with the timing chain and tensioner. This helps maintain quiet, accurate timing operation and protects the engine’s costly timing components.
When to replace:
• Noise from the timing chain area (rattle or chatter)
• During timing chain system inspection or overhaul
Visible wear or plastic debris from the guide surfaces
• High-mileage preventive maintenance
• Whenever the timing system is serviced or the tensioner is replaced
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99610517552
99610517552
The product you are viewing cross references to these numbers
Price: €43.58
In stock
Related products
Vehicle Group
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Information
Engine timing chain.
No of links - 224
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810516902
The product you are viewing cross references to these numbers
No of links - 224
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810516902
94810516902
The product you are viewing cross references to these numbers
Price: €392.59
Orderable
Vehicle Group
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Information
Engine Timing Chain Tensioner Blade.
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810506502
The product you are viewing cross references to these numbers
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 5
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810506502
94810506502
The product you are viewing cross references to these numbers
Price: €102.54
Orderable
Vehicle Group
- Porsche 955 Cayenne S 4.5L V8 2003-06
- Porsche 955 Cayenne Turbo 4.5L 2003-06
Information
Engine Timing Guide Rail Blade.
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810506821
The product you are viewing cross references to these numbers
Fits:
Porsche 955 Cayenne S 4.5L 2003-06
Porsche 955 Cayenne Turbo 4.5L 2003-06
Click 'Zoom in' for large parts diagram.
Diagram ref no 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94810506821
94810506802
The product you are viewing cross references to these numbers
Price: €91.63
In stock