What does '0.050 inch undersize' mean for these bearings?

This means the bearings are manufactured to be slightly smaller than the standard size by 0.050 inches. This is typically used when the engine's crankshaft journals have been machined down (ground undersize) during a rebuild to remove imperfections or wear.

What is TriMetal construction?

TriMetal is a bearing material composed of three layers. It typically includes a steel backing for strength, a bronze-nickel intermediate layer for load carrying, and a lead-tin-copper overlay for excellent conformability and embeddability, offering good wear resistance.

Do these bearings come with installation instructions?

While these bearings are designed for a direct fit, it is always recommended to refer to the specific service manual for your VM Motori A630/L630 Ecodiesel engine for detailed installation procedures and torque specifications.

Specifications

Brand: King Engine Bearings
Part #: MB4556SX0.5
UPC: 611500617164

King VM Motori A630/L630 Ecodiesel 3.0L (Size 0.05) Main Bearing Set OE Replacement TriMetal

Name: King VM Motori A630/L630 Ecodiesel 3.0L (Size 0.05) Main Bearing Set OE Replacement TriMetal
Brand: King Engine Bearings
SKU: king-engine-bearings-king-vm-motori-a630-l630-ecodiesel-3-0l-size-0-05-main-bear-t14-432419
Price: 206.44 USD
Availability: BackOrder

$206.44

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Key Features

Fits VM Motori A630/L630 Ecodiesel 3.0L engines.
This is a 0.050 inch undersize main bearing set.
Features TriMetal construction for improved wear resistance and oil control.
Designed as an OE replacement for a direct fit and function.
From King Engine Bearings, a popular name in engine components.

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About this part

Product Details

King Engine Bearings is well-known for making solid engine bearings that hold up to tough conditions. This main bearing set, part number MB4556SX0.5, is built for VM Motori A630/L630 Ecodiesel 3.0L engines. It's an OE replacement, meaning it's made to fit and function just like the original bearings your engine came with.

This set is a 0.050 inch undersize bearing set, which is important if your crankshaft journals have been machined down during a rebuild. The TriMetal construction is a key feature here; it's a strong material that offers good wear resistance and helps manage oil film effectively, which is crucial for keeping your engine running smoothly and preventing premature wear. These bearings are designed to be a direct fit, making installation straightforward for a mechanic rebuilding the bottom end of your engine.