What is the material of these main bearings?

These bearings are made with a bimetal construction that features an aluminum silicon base. This material is chosen for its good wear characteristics and compatibility with crankshaft surfaces.

Do I need to purchase anything else to install these bearings?

When rebuilding an engine, it's recommended to also replace the oil pump and ensure your oil passages are clean. Always refer to the manufacturer's service manual for a complete list of required parts and procedures for your specific vehicle.

Specifications

Brand: King Engine Bearings
Part #: MB5781SI0.5
UPC: 611500593048

King Engine Bearings Nissan Mr18DE/Mr20DE Renault M4R 700/01/04 (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Nissan Mr18DE/Mr20DE Renault M4R 700/01/04 (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-nissan-mr18de-mr20de-renault-m4r-700-0-t14-770968
Price: 46.86 USD
Availability: BackOrder

$46.86

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Fits 2013-2021 Nissan NV200. King Engine Bearings main bearing set, 0.50mm oversize, for MR18DE/MR20DE/M4R engines.

Key Features

Fits 2013-2021 Nissan NV200, 2009-2014 Nissan Cube, 2007-2012 Nissan Sentra, and 2007-2012 Nissan Versa.
Designed for Nissan MR18DE, MR20DE, and Renault M4R engines.
This is a main bearing set that is 0.50mm oversize.
Constructed with a bimetal design using an aluminum silicon base for good wear resistance.
Helps ensure proper crankshaft support and oil clearance during engine rebuilds.

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About this part

Product Details

If you're rebuilding the bottom end of your Nissan NV200, Sentra, Versa, or Cube with an MR18DE, MR20DE, or Renault M4R engine, a fresh set of main bearings is crucial. These King Engine Bearings main bearing set is designed to replace your worn-out original bearings, helping to ensure proper crankshaft support and oil clearance.

This set features a bimetal construction with an aluminum silicon base, a well-known material for its good wear characteristics and compatibility with crankshafts. This particular set is 0.50mm oversize, meaning it's intended for use with a crankshaft that has been machined down by 0.50mm to correct for wear or damage. Using the correct size bearing is essential for maintaining proper oil pressure and preventing premature engine failure.