WYR500040 | M8 Exhaust Manifold Stud - 4.2, 4.4, 5.0 AJ-V8 | Range Rover L322
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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: WYR500040 - M8 Exhaust Manifold Stud
WYR500040 is an M8 exhaust manifold stud fitted to AJ-V8 engines. It secures the exhaust manifold to the downpipe, providing a threaded fixing point to maintain alignment and exhaust sealing between the manifold and downpipe.
Compatibility
- Range Rover L322 (2002-2009) - 4.2 Supercharged AJ-V8
- Range Rover L322 (2002-2009) - 4.4 AJ-V8
- Range Rover L322 (2010-2012) - 5.0 AJ-V8
Frequently Asked Questions
WYR500040 is an M8 exhaust manifold stud used on AJ-V8 engines to secure the exhaust manifold to the downpipe. The stud provides a durable threaded connection to maintain alignment and sealing of the exhaust joint; studs should be inspected for corrosion or thread damage when the exhaust is removed.
| Model | Variant |
|---|---|
| Land Rover Range Rover (L322) (2002-2009) | AJ Petrol 4.2 V8 Supercharged (AJ-V8) |
| Land Rover Range Rover (L322) (2002-2009) | AJ Petrol 4.4 V8 (AJ-V8) |
| Land Rover Range Rover (L322) (2010-2012) | 5.0L OHC SGDI SC V8 Petrol - AJ133 (Supercharged) (VIN from AA000001) |
| Land Rover Range Rover (L322) (2010-2012) | 5.0L OHC SGDI NA V8 Petrol - AJ133 (Naturally Aspirated) (VIN from AA000001) |
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.
Inspect studs whenever the exhaust is removed or during exhaust/engine servicing and replace if they are bent, corroded or have damaged threads to ensure proper sealing and to avoid exhaust leaks. If unsure, consult the vehicle workshop manual or a qualified technician.
- L8 products are genuine Land Rover parts.
All products and accessories available on LRDirect.com come with a 2-year warranty.