4464745 | Upper Crank Main Bearing - 4.2 V8, 4.4 AJ V8 | Range Rover L322, Discovery 3
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: 4464745 - Upper Crankshaft Main Bearing
4464745 is an upper crankshaft main bearing fitted to the upper main journal of the crankshaft on 4.2 V8 Supercharged and 4.4 AJ Petrol V8 (220KW) engines. The bearing provides a wearing surface and helps maintain an oil film to allow smooth crankshaft rotation and reduce journal wear; correct grade selection is essential for proper clearance and performance.
Please note: Blue/green bearing grades - refer to the workshop manual for correct grade selection.
Compatibility
- Discovery 3 (2005-2009) - 4.4 AJ Petrol V8 (220KW)
- Range Rover (2002-2009) - 4.2 V8 Supercharged - From VIN 6A000001
- Range Rover (2002-2009) - 4.4 AJ Petrol V8 (220KW)
- Range Rover Sport (2005-2009) - 4.4 AJ Petrol V8 (220KW)
Frequently Asked Questions
4464745 is an upper crankshaft main bearing that supports the crankshaft at the upper main journal, providing a low-friction surface and helping to maintain the oil film that protects the journal. Bearings are inspected for wear or scoring during engine overhaul or when crankshaft machining is required.
| Model | Variant |
|---|---|
| Land Rover Discovery 3 (2005-2009) | 4.4 AJ Petrol V8 (220KW) |
| Land Rover Range Rover (2002-2009) | 4.2 V8 Supercharged - From VIN 6A000001 |
| Land Rover Range Rover (2002-2009) | 4.4 AJ Petrol V8 (220KW) |
| Land Rover Range Rover Sport (2005-2009) | 4.4 AJ Petrol V8 (220KW) |
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.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
- Z8 products are normally supplied by Allmakes.
All products and accessories available on LRDirect.com come with a 2-year warranty.