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Porsche // Cayenne 92A (958) 2010-2017 // 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
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- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2010-17
The Genuine Porsche Timing Chain, Center Lower 958109229 is a critical internal engine timing component designed for compatible Porsche applications. The timing chain forms part of the mechanical drive system that keeps the crankshaft and associated timing components operating in the correct relationship.
Fits:
- Porsche 958 Cayenne S V8 4.2L Diesel (382Hp) 2012-17
Diagram Ref No 28
Accurate engine timing is essential for correct combustion, smooth running and reliable engine operation. Because the timing chain operates continuously whenever the engine is running, wear, elongation or problems elsewhere in the timing system can eventually affect timing accuracy and potentially cause serious engine damage.
What This Product Does:
The center lower timing chain transfers rotational drive within the engine's timing system.
Its role is to maintain the precise mechanical relationship required between the crankshaft and the timing components it drives.
A correctly operating timing chain system helps:
- Maintain accurate engine timing
- Synchronise rotating engine components
- Support correct valve timing through the timing drive
- Maintain smooth and consistent engine operation
- Support efficient combustion and engine performance
- Keep the timing system operating reliably throughout the engine speed range
The chain works together with components such as sprockets, guides and tensioners. These components should be considered as a complete system when diagnosing timing-related problems.
Symptoms Of Wear Or Failure:
Timing chains are designed for long service life, but they can still deteriorate due to mileage, lubrication problems, tensioner or guide wear, contamination and general mechanical wear.
Possible symptoms include:
- Rattling from the timing-chain area
- Rattle during engine start-up
- Metallic rattling or clattering while running
- Timing-related diagnostic fault codes
- Check Engine Light
- Rough idle
- Poor engine performance
- Hesitation or uneven acceleration
- Difficult starting
- Engine misfires
- Unstable engine operation
- Timing values outside the expected range
- Metal debris found in the engine oil or filter
- Excessive chain slack or elongation confirmed during inspection
Timing-related symptoms should be investigated promptly.
Why Replacement Matters:
The timing chain is a critical internal engine component. Excessive wear or failure can affect the mechanical timing of the engine.
Replacing a confirmed worn or damaged timing chain helps:
- Restore correct timing-system operation
- Maintain accurate mechanical timing
- Reduce excessive chain movement
- Address timing-chain rattling caused by confirmed chain wear
- Restore reliable engine operation
- Reduce stress on associated timing components
- Prevent further deterioration of the timing drive
- Reduce the risk of major engine damage
Timing-system faults should not be ignored because failure can progress from noise or timing errors to severe mechanical problems.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
958109229
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2011-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510505101
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche 955 Cayenne 3.2L 2004-06
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2011-18
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB109465
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche 955 Cayenne 3.2L 2004-06
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2011-18
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
PAB109465
The product you are viewing cross references to these numbers
- Porsche 955 Cayenne 3.2L V6 2003-06
- Porsche 957 Cayenne 3.6L 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
Fits:
Porsche 955 Cayenne 3.2L 2004-06
Porsche 957 Cayenne 3.6L 2008-10
Porsche 958 Cayenne 3.6L 2011-18
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95510546900
The product you are viewing cross references to these numbers