ERR4628 | Valve Spring - V8 Engines | Defender, Discovery, Range Rover Classic
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: ERR4628 - Valve Spring
ERR4628 is a valve spring fitted to V8 cylinder heads. It retains the valve against the valve seat and helps control valve movement within the valve train to ensure reliable valve closing.
Compatibility
- Discovery 1 (1989-1998) - 3.5L V8 Twin Carb Petrol, 3.5L V8 EFI Petrol, 3.9L V8 EFI Petrol (From FA393361 to WA799999)
- Discovery 2 (1998-2004) - V8
- Defender (1987-2006) - 3.5L V8 Twin Carb Petrol, 4.0L V8 L/R EFI Petrol
- Range Rover Classic (1992-1994) - V8 EFI Petrol (From JA610294)
Frequently Asked Questions
ERR4628 is a valve spring for V8 cylinder heads. It keeps the valve seated and controls valve closure within the valve train; a weak or broken spring can lead to valve float, misfire or loss of compression, so springs should be inspected whenever the cylinder head is serviced.
| Model | Variant |
|---|---|
| Land Rover Discovery 1 (1989-1998) | 3.5L V8 Twin Carb Petrol (From FA393361 to WA799999) |
| Land Rover Discovery 1 (1989-1998) | 3.5L V8 EFI Petrol (From FA393361 to WA799999) |
| Land Rover Discovery 1 (1989-1998) | 3.9L V8 EFI Petrol (From FA393361 to WA799999) |
| Land Rover Discovery 2 (1998-2004) | V8 |
| Land Rover Defender (1987-2006) | 3.5L V8 Twin Carb Petrol |
| Land Rover Defender (1987-2006) | 4.0L V8 L/R EFI Petrol |
| Land Rover Range Rover Classic (1992-1994) | V8 EFI Petrol (From JA610294) |
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 valve springs during cylinder head servicing or if valve-train symptoms (such as misfire or valve float) occur, and replace any springs that show cracking, corrosion, or loss of tension. If unsure, follow the workshop manual or consult a qualified technician.
- C8 products are usually supplied by Britpart.
- L8 products are genuine Land Rover parts.
All products and accessories available on LRDirect.com come with a 2-year warranty.