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ETC8074 - Main Bearing Cap Bolt

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Genuine Part
Genuine: Original manufacturer part. This product is the original part designed and produced by the vehicle manufacturer.
Main Bearing Cap Bolt for the cylinder block bottom end, clamping a main bearing cap to the block and retaining the crankshaft main bearing shells.

The bolt sets the main bearing clamp load and must be tightened to the specified torque on installation. Applies to the 2.5 four-cylinder petrol and diesel engines, including the naturally-aspirated diesel, Turbo Diesel and 200/300 TDi. Sold individually.
Vehicle Model Land Rover Defender up to 2016
Land Rover Discovery 1 1989-1998 (L318)
Range Rover Classic up to 1994
Fitment Notes Main bearing cap bolt, cylinder block. Fits 2.5 4-cyl petrol & diesel (NA, Turbo Diesel, 200/300 TDi). DEFENDER 1987-2006, DISCOVERY 1 200/300 TDi, RANGE ROVER CLASSIC 1992-1994 (from VIN JA610294).
Alternative Codes
10005743ETC8074

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Frequently asked questions

What does the ETC8074 main bearing cap bolt do?
The ETC8074 main bearing cap bolt clamps a main bearing cap to the cylinder block, holding the crankshaft main bearing shells in the block's bottom end. It sets the bearing clamp load, so it must be tightened to the workshop manual torque when the engine is reassembled.
Which engines does this bolt fit?
This bolt fits the 2.5-litre four-cylinder petrol and diesel engines, including the naturally-aspirated diesel, Turbo Diesel and 200/300 TDi. It's used on the Defender (1987-2006), Discovery 1 with the 200/300 TDi, and Range Rover Classic 1992-1994 from VIN JA610294.
How many main bearing cap bolts are needed?
You'll typically need several, since the crankshaft is held by multiple main bearing caps and each cap usually takes more than one bolt. These are sold individually, so count the bolts on your bottom end before ordering a full set.
Can main bearing cap bolts be reused?
Main bearing cap bolts are highly stressed, so they're typically replaced rather than reused when the bottom end is disturbed. Always tighten them to the workshop manual specification. Reusing a stretched or fatigued bolt risks losing the correct bearing clamp load on the crankshaft.

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