ERR4883 | Rocker Adjuster Screw - 300Tdi | Defender, 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
To check the stock of Genuine Parts before placing an order please use our Contact Us page
Land Rover Part Number: ERR4883 - Rocker Adjuster Screw
ERR4883 is a rocker adjuster screw fitted to the rocker shaft on 2.5L 300Tdi engines. It is used to set and retain tappet clearances during valve adjustment, ensuring correct valve operation and helping to reduce valve-train noise.
Compatibility
- Defender (1987-2006) - 300Tdi
- Discovery 1 - 300Tdi
- Range Rover Classic (1992-1994) - 300Tdi (From VIN JA610294)
Frequently Asked Questions
ERR4883 is a rocker adjuster screw used on the rocker shaft of 2.5L 300Tdi engines to permit precise setting of tappet (valve) clearances. Correct adjustment maintains valve timing and helps prevent excessive valve-train noise and wear.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Rockershaft - 2.5L I4 300 TDi Diesel Turbo |
| Land Rover Discovery 1 | 300Tdi |
| Land Rover Range Rover Classic (1992-1994) | Rockershaft - 2.5L TDi (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 the rocker adjuster screw during valve clearance checks and routine servicing; replace it if the threads are damaged, the adjuster is worn, or if it no longer secures tappet adjustment reliably. When in doubt, follow the vehicle service manual or consult a qualified technician.
- 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.