RTC4488 | Differential Kit - Crownwheel and Pinion 4-Pinion | Defender 1987-2006
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: RTC4488 - Differential Kit
RTC4488 is a differential kit that supplies the matched crownwheel and pinion gearset for the Salisbury rear axle. Fitted as a crownwheel and pinion 4-pinion assembly to 110 and 130 wheelbase Defender models (1987-2006), it converts drive from the propeller shaft to the axle shafts and establishes the final drive ratio for the axle. Correct gear tooth profile and mesh, together with proper alignment, bearing support and lubrication, are required for quiet running and even load distribution across the gear faces.
Use the compatibility data below to confirm fitment against your V.I.N.
Compatibility
- Defender (1987-2006) - Crownwheel and Pinion - 4 Pinion - 110, 130 Wheelbase - Salisbury Axle
Frequently Asked Questions
The RTC4488 differential kit provides the matched 4-pinion crownwheel and pinion gearset for the Salisbury rear axle, converting drive from the propeller shaft to the axle shafts and setting the final drive ratio. Proper tooth profile and mesh are essential for quiet operation and even load distribution; incorrect alignment, inadequate bearing support or poor lubrication can cause noise and premature wear. Ensure correct assembly and check gear mesh and bearings during installation.
| Model | Variant |
|---|---|
| Land Rover Defender (1987-2006) | Crownwheel And Pinion - 4 Pinion (110, 130 Wheelbase, With Salisbury Axle) |
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.
Replacement guidance for a differential crownwheel and pinion is vehicle- and condition-dependent; consult a qualified technician or the vehicle service manual for inspection intervals and replacement criteria.
- 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.