Skip to content
8–23 August: reduced summer staffing. Orders may take up to 5 extra working days to dispatch and emails up to 2 working days to answer. Thanks for your patience.
8–23 Aug: orders may ship up to 5 days later.
RTC478330 - Main Bearing Kit – 2.5L – 0.030" Oversize Engine Part Land Rover Range Rover Defender, Series

RTC478330 - Main Bearing Kit – 2.5L – 0.030" Oversize

- €26,40
€26,40
€26,40 - €26,40
€26,40
OEM Part
OEM: Made by an Original Equipment Manufacturer. This part is made by an original equipment manufacturer or under their license, ensuring compatibility and quality.
Main Bearing Set for the crankshaft main journals, in 0.030-inch oversize.

The set supplies the main bearing shells that carry the crankshaft in the cylinder block, machined 0.030 inch (030) oversize to suit a crankshaft that has been reground at the main journals.

Engine designation: 2.5L 4-cylinder naturally aspirated diesel.
Vehicle Model Land Rover Defender up to 2016
Land Rover Series 2 and 3
Fitment Notes SERIES III (late) — 2.5L 4-cyl NA diesel, 0.030" oversize crankshaft main bearing kit
DEFENDER 1987-2006 — 2.5L 4-cyl NA diesel (from engine E-12J43825C), 0.030" oversize
Alternative Codes
RTC478330STC339530

In stock 1 unit
1 · Gouda 0 · Drachten
Express delivery available

When will my order arrive?
  • Order before 15:00 (Mon–Fri): same-day dispatch for in-stock items.
  • UPS Express (order before 14:00): dispatched today, delivered tomorrow where available.
  • Netherlands / Belgium / Germany: 2–4 working days.
  • Other EU countries + UK: 4–8 working days.
  • Outside EU/UK: delivery times vary — contact us for an estimate.

Items may ship from multiple warehouses at no extra cost.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What is the RTC478330 main bearing kit for?
The RTC478330 supplies the main bearing shells that carry the crankshaft in the 2.5L 4-cylinder naturally aspirated diesel block. It's machined 0.030 inch oversize to suit a crankshaft that has been reground at its main journals.
When do I need the 0.030 inch oversize bearings?
The 0.030 inch oversize (030) main bearings suit a crankshaft whose main journals have been reground by 0.030 inch. Order this size only if your crank has been ground to 030; a standard crank needs standard-size shells, so match the bearings to your crank.
Which engine and vehicles does this fit?
This main bearing kit fits the 2.5L 4-cylinder naturally aspirated diesel in the late Land Rover Series 3 and the Defender 1987 to 2006, from engine number E-12J43825C. It's the 0.030 inch oversize size for a reground crankshaft.