What is the main function of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They create the necessary clearance for the crankshaft to rotate smoothly while allowing a thin film of oil to lubricate the surfaces and reduce friction.

What does the 'P50MM' in the part number signify?

The 'P50MM' in the part number indicates that these bearings are designed for engines with 50mm main journal diameters. This is a critical measurement for ensuring proper fitment on VQ40DE engines.

Are these bearings sold as a complete set for the engine?

Yes, this is a complete set of main bearings designed to replace all the main bearings for the specified Nissan VQ40DE engines.

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Specifications

Brand: Clevite
Part #: MS2343P50MM
UPC: 027067005281

Clevite Nissan VQ40DE Main Bearing Set

Name: Clevite Nissan VQ40DE Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-nissan-vq40de-main-bearing-set-t14-54729
Price: 64.72 USD
Availability: InStock

$64.72

Only 1 left in stock

Clevite Nissan VQ40DE Main Bearing Set for engine rebuilding.

Key Features

Fits 2005-2013 Nissan Frontier, 2012-2013 Nissan NV1500, NV2500, NV3500, 2005-2012 Nissan Pathfinder, and 2005-2013 Nissan Xterra.
Designed for VQ40DE engines with 50mm main journals.
Multi-layer construction includes steel backing, copper-lead overlay, and babbit overlay.
Helps maintain proper crankshaft oil clearance during engine rebuilds.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your Nissan Frontier, Pathfinder, Xterra, or NV van, getting the crankshaft seated properly is critical. This Clevite main bearing set is designed to replace the original bearings in VQ40DE engines, ensuring the crankshaft spins freely within the engine block. Proper bearing clearance is essential for oil flow and to prevent premature wear on both the bearings and the crankshaft itself.

These bearings are built with a multi-layer construction that includes a steel backing for strength, a copper-lead overlay for improved load carrying, and a babbit overlay for reduced friction. The 50mm main journal size is specific to the VQ40DE engine, meaning these bearings fit right into place. When installing, pay close attention to the oil clearances to ensure optimal performance and longevity for your rebuilt engine.