What does 1.0mm oversize mean for these main bearings?

An oversize bearing, like this 1.0mm set, is larger than the standard size. It's used when the engine's crankshaft has been machined down to a specific undersize. This allows the new, larger bearing to be installed to achieve the correct oil clearance.

What is trimetal construction?

Trimetal bearings have three layers: a steel backing for strength, a middle layer of copper-lead alloy for strength and embeddability, and a thin top layer of babbitt (tin-based alloy) for excellent conformability and corrosion resistance. This construction is well-suited for the demands of engine bearings.

Do these bearings come with new main bolts?

This product is a set of main bearings only. It does not include new main bearing bolts. It is recommended to replace main bearing bolts during an engine rebuild, as they can stretch and lose clamping force.

Specifications

Brand: King Engine Bearings
Part #: MB1190XA1.0
UPC: 611500515514

King Engine Bearings Mercedes Benz Om611.960/981/821/962/966 (Size +1.0mm) Main Bearing Set

Name: King Engine Bearings Mercedes Benz Om611.960/981/821/962/966 (Size +1.0mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-mercedes-benz-om611-960-981-821-962-96-t14-770220
Price: 22.67 USD
Availability: BackOrder

$22.67

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Fits 2002-2006 Freightliner Sprinter 2500. King Engine Bearings main bearing set, 1.0mm oversize, for Om611 engines.

Key Features

Fits 2002-2006 Freightliner Sprinter 2500, 2003-2006 Dodge Sprinter 2500, 2003-2006 Dodge Sprinter 3500, 2002-2006 Freightliner Sprinter 3500, and 2005-2006 Mercedes-Benz E320.
This is a main bearing set for Mercedes-Benz OM611.960/981/821/962/966 engines.
The bearings are 1.0mm oversize, intended for use with a machined crankshaft.
Features a strengthened trimetal construction for durability.
Designed for proper oil clearance and crankshaft protection.

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About this part

Product Details

When you're rebuilding the bottom end of your Mercedes-Benz OM611 engine, you need main bearings that are built to last. This set from King Engine Bearings is designed for the Om611.960, Om611.981, Om611.821, Om611.962, and Om611.966 engine families, and it's sized at 1.0mm oversize to help you achieve proper clearance on a machined crankshaft.

These bearings feature a strengthened trimetal construction, which means they're well-built to handle the stresses of engine operation. The trimetal design offers good embeddability and conformability, helping to protect your crankshaft journals. Because these are an oversize bearing, they are intended for use when the crankshaft has been machined down to accommodate them, ensuring the correct oil clearance for optimal lubrication and engine health.

This set includes the main bearings needed for your engine rebuild. Always refer to your vehicle's service manual for specific installation procedures and torque specifications when installing new engine bearings.