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

Main bearings are crucial for supporting the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly while handling the significant forces generated during combustion.

Are these bearings a direct fit for my 2008 Toyota 4Runner?

Yes, this Clevite MS2298A25MM main bearing set is designed as a direct fit for the 4.0L V6 1GRFE engine found in the 2003-2009 and 2011-2013 Toyota 4Runner models.

What else might I need when installing main bearings?

When installing main bearings, it's essential to have the correct torque wrench to tighten the main caps to specification. You'll also need to consult your vehicle's service manual for the proper installation sequence and any required assembly lubricants.

2003-2013 Toyota 4Runner Main Bearings | Clevite MS2298A25MM

Name: Clevite Toyota 4.0L 3956cc V6 1GRFE Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-toyota-4-0l-3956cc-v6-1grfe-main-bearing-set-t14-53956
Price: 61.58 USD
Availability: BackOrder

Clevite Toyota 4.0L 3956cc V6 1GRFE Main Bearing Set

$61.58

On Backorder

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

Fits 2003-2009, 2011-2013 Toyota 4Runner. Clevite 4.0L V6 main bearing set for the 1GRFE engine. Essential for engine rebuilds.

Key Features

Fits 2003-2009 and 2011-2013 Toyota 4Runner, 2007-2013 Toyota FJ Cruiser, and 2005-2013 Toyota Tundra.
Designed for the 4.0L 3956cc V6 1GRFE engine.
Supports the crankshaft and ensures proper engine rotation.
Essential component for engine rebuilds and repairs.
From Clevite, a popular brand for engine components.

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Product Details

If you're rebuilding the engine in your 2003-2013 Toyota 4Runner, FJ Cruiser, or 2005-2013 Tundra with the 4.0L V6 1GRFE engine, this Clevite Main Bearing Set is a key component. Main bearings sit between the crankshaft and the engine block, supporting the crankshaft and allowing it to spin smoothly. They are critical for proper engine operation and longevity, especially after a rebuild or when addressing wear.

Clevite is a well-known name in engine bearings, and this set is made to fit your specific application. The bearings are designed to handle the loads and speeds of the 1GRFE engine. When you're putting an engine back together, using well-built bearings like these helps ensure that the crankshaft has the right clearance and support it needs to operate without excessive friction or wear.

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