4663398 | Camshaft Sprocket - 4.2 V8 Supercharged | Range Rover, Range Rover Sport
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To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 4663398 - Camshaft Sprocket
4663398 is a camshaft sprocket fitted as the upper timing gear on the AJ Petrol 4.2 V8 Supercharged engine. It transfers drive from the timing chain to the camshaft, forming the upper driven gear within the timing gear assembly; the sprocket's teeth engage the timing chain to rotate the camshaft and control valve timing. Correct tooth profile and secure mounting are required to maintain accurate cam timing - damaged or worn teeth will affect valve timing and engine performance - and the sprocket must be matched to the timing chain and lower gear during any timing-gear replacement.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Range Rover (2002-2009) - AJ Petrol 4.2 V8 Supercharged (From VIN 6A000001)
- Range Rover Sport (2005-2009) - AJ Petrol 4.2 V8 Supercharged
Frequently Asked Questions
This sprocket forms the upper driven gear in the AJ 4.2 V8 Supercharged timing assembly; its teeth engage the timing chain to rotate the camshaft and control valve timing. If the tooth profile is damaged or the sprocket is not securely mounted, cam timing and engine performance will be affected. During timing-gear replacement the sprocket must be matched to the chain and lower gear to ensure correct timing.
| Model | Variant |
|---|---|
| Land Rover Range Rover (2002-2009) | AJ Petrol 4.2 V8 Supercharged (From VIN 6A000001) |
| Land Rover Range Rover Sport (2005-2009) | AJ Petrol 4.2 V8 Supercharged |
If you are unsure of compatibility with your vehicle, you can also confirm by checking against your V.I.N. Simply reach out to us with your V.I.N and desired part number via our Contact page or use our Finding Part Numbers page.
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