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STC339520K - Main Bearing Set – 0.020" Oversize

Original price - Original price €32,20
Original price
€32,20
€32,20 - €32,20
Current price €32,20
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.
Brand King
Main Bearing Set for the crankshaft main journals of the 2.5 litre four-cylinder diesel engine (naturally aspirated, turbo diesel, 200 Tdi and 300 Tdi), supplied 0.020" (0.51 mm) oversize on shell thickness.

The set provides the upper and lower bearing shells that locate the crankshaft in the cylinder block main saddles and carry crankshaft loads into the block. The oversize shells restore the correct running clearance on a crankshaft whose main journals have been reground 0.020" undersize.

Fitted during a bottom-end rebuild, with the main bearing caps torqued to specification and the crankshaft endfloat set by the thrust washers. Bearing shells must match the actual reground journal diameter, so confirm the crankshaft grind size before ordering.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Fitment Notes DEFENDER 1986-2006 — 2.5 Diesel NA, 2.5 Turbo Diesel, 200 Tdi & 300 Tdi. +0.020" main crankshaft bearing set
DISCOVERY 1 1989-1998 — 200 Tdi & 300 Tdi. +0.020" main crankshaft bearing set
RANGE ROVER CLASSIC — 200 Tdi & 300 Tdi. +0.020" main crankshaft bearing set
Superseded to RTC478320
Alternative Codes
STC339520KSTC339520

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).


When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business dayscontact us before ordering.

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 this 0.020in main bearing set for?
This main bearing set supplies the crankshaft main journal shells for the 2.5 litre four-cylinder diesel, covering naturally aspirated, turbo diesel, 200Tdi and 300Tdi engines, in 0.020in oversize. The shells sit in the block and caps to support the crankshaft on journals reground by 0.020in.
Which engines and models use this bearing set?
It fits the 2.5 diesel NA, 2.5 turbo diesel, 200Tdi and 300Tdi engines in the Land Rover Defender 1986 to 2006, Discovery 1 and Range Rover Classic. This is the 0.020in oversize, so confirm the crankshaft mains are reground to minus 0.020in.
How do I choose the right main bearing oversize?
Match the main bearing oversize to the reground crankshaft journal size. This 0.020in set suits journals machined to minus 0.020in. If the crank is standard or ground to a different size, you need the matching grade. Measure the journals before ordering.