What does the +0.25mm sizing mean for these bearings?

The +0.25mm sizing indicates that these bearings are intended for use on crankshaft journals that have been machined undersize by 0.25mm (or 0.010 inches). This is common when a crankshaft needs to be resurfaced to remove wear or damage during an engine rebuild.

What is the Tri-M+ overlay mentioned in the description?

The Tri-M+ overlay is an enhanced Babbitt layer applied to the tri-metal copper-based material of the bearing. This construction is specifically beneficial for medium-load engines, helping to ensure proper lubrication and wear resistance.

Are these bearings sold individually or as a set?

This product is a connecting rod bearing set, meaning it includes all the necessary bearings for the connecting rods in your engine. You will receive multiple bearings as part of this kit.

Specifications

Brand: King Engine Bearings
Part #: CR8059CP0.25
UPC: 611500611315

King Engine Bearings General Motors Duramax Diesel (Size +0.25mm) Connecting Rod Bearing Set

Name: King Engine Bearings General Motors Duramax Diesel (Size +0.25mm) Connecting Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-general-motors-duramax-diesel-size-0-2-t14-770177
Price: 146.39 USD
Availability: BackOrder

$146.39

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King Engine Bearings CR8059CP0.25 connecting rod bearing set for GM Duramax Diesel. Size +0.25mm.

Key Features

Fits Chevrolet and GMC Duramax Diesel vehicles, including Silverado, Sierra, and Express models.
This is a +0.25mm undersize connecting rod bearing set, intended for use on machined crankshaft journals.
Constructed with a tri-metal copper-based material for durability.
Features an enhanced Babbitt overlay (Tri-M+ overlay) for improved performance in medium-load engines.
Designed and manufactured by King Engine Bearings, a specialist in engine bearings since 1960.

⚠️ 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

If you're rebuilding the bottom end of your General Motors Duramax Diesel, these connecting rod bearings from King Engine Bearings are a solid option. This set is specifically sized at +0.25mm, which is important if your crankshaft journals have been machined undersize during a rebuild. King has been specializing in bearings since 1960, focusing on supplying well-built engine bearings for a wide range of applications.

These bearings utilize a tri-metal copper-based material with an enhanced Babbitt overlay, known as Tri-M+ overlay. This construction is well-suited for medium-load engines like those found in many Duramax applications. The +0.25mm sizing means these bearings are intended for use on crankshafts that have been ground down by 0.25mm (or 0.010 inches) to clean up wear or damage. It's crucial to match the bearing size to the crankshaft journal size for proper oil clearance and engine longevity.

This set fits a variety of GM trucks and SUVs, including Chevrolet Express vans, Silverado 2500 HD, and GMC Sierra 3500 HD models from the mid-2000s through the mid-2010s. Always ensure you consult your vehicle's service manual for the correct bearing size and installation procedures.