What material are these main bearings made from?

These main bearings are made from a bi-metal aluminum material. They also feature a lead-free composite layer on the surface.

Are these bearings suitable for high-performance or heavy-duty applications?

This specific bearing set is ideal for medium-load engines. For heavy-duty or high-performance applications, it's always best to consult the manufacturer's specific recommendations for your engine build.

Does this set include all the main bearings needed for the engine?

This set includes the crankshaft main bearings for the Toyota 1GR-FE engine. It is designed to be a complete set for the main bearing positions.

Specifications

Brand: King Engine Bearings
Part #: MB4526SI
UPC: 611500577956

King Engine Bearings Toyota 1GR-FE (Size STD) Crankshaft Main Bearing Set

Name: King Engine Bearings Toyota 1GR-FE (Size STD) Crankshaft Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-toyota-1gr-fe-size-std-crankshaft-main-t14-329220
Price: 44.89 USD
Availability: BackOrder

$44.89

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2003-2022 Toyota 4Runner. Standard size crankshaft main bearing set. Features lead-free composite and bi-metal aluminum for medium-load engines.

Key Features

Fits 2003-2022 Toyota 4Runner, 2007-2014 Toyota FJ Cruiser, 2005-2015 Toyota Tacoma, and 2005-2014 Toyota Tundra.
Standard size crankshaft main bearing set.
Features a lead-free, environmentally safe composite layer.
Constructed with a bi-metal aluminum material.
Ideal for medium-load engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This is a standard size crankshaft main bearing set from King Engine Bearings, designed for the Toyota 1GR-FE engine. You get the main bearings needed to rebuild the bottom end of your engine. These bearings are made with a bi-metal aluminum material and feature a lead-free composite layer, making them an environmentally safe choice.

King Engine Bearings specializes in creating high-quality engine bearings, and this set is ideal for medium-load engines like those found in many Toyota trucks and SUVs. The bi-metal construction offers solid performance, while the lead-free composite surface helps ensure longevity and environmental responsibility.