What does '1.5mm undersize' mean for these bearings?

This means the bearings are manufactured to be 1.5 millimeters smaller in diameter than a standard-sized bearing. This is typically used when the crankshaft journals have been machined down to a smaller size during an engine rebuild to correct wear or damage.

What is the difference between this bearing and the CR4017AM model?

The CR4106AM1.5 is noted as an optional replacement for the CR4017AM. The key difference mentioned is that the CR4017AM has two oil holes, suggesting the CR4106AM1.5 might have a different oiling design or fewer oil holes.

What is bimetal construction?

Bimetal bearings, like these, use a combination of materials. They typically feature a steel backing for strength and a bearing surface made of an aluminum alloy. This construction offers good wear resistance and thermal conductivity, which are important for engine bearings.

Specifications

Brand: King Engine Bearings
Part #: CR4106AM1.5
UPC: 611500129766

King Engine Bearings Daewoo/GM/Isuzu/Opel/Vauxhall (Size 1.5) Rod Bearing Set

Name: King Engine Bearings Daewoo/GM/Isuzu/Opel/Vauxhall (Size 1.5) Rod Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-daewoo-gm-isuzu-opel-vauxhall-size-1-5-t14-4320738
Price: 22.13 USD
Availability: BackOrder

$22.13

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King Engine Bearings CR4106AM1.5 rod bearing set. Fits many Daewoo, GM, Isuzu, Opel, and Vauxhall models. 1.5mm undersize.

Key Features

Fits 1982-2005 Buick, Chevrolet, Daewoo, Isuzu, Oldsmobile, Pontiac, and Saturn vehicles.
Connecting rod bearing set for engine rebuilding.
Bimetal construction with an aluminum base.
This is a 1.5mm undersize bearing set.
Optional replacement for CR4017AM model.

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About this part

Product Details

This is a King Engine Bearings connecting rod bearing set, specifically the CR4106AM1.5 model. These bearings are designed to fit a wide range of vehicles from brands like Daewoo, GM, Isuzu, Opel, and Vauxhall. They are a bimetal type, meaning they have an aluminum base, which is a common and well-regarded material for engine bearings due to its good thermal conductivity and wear resistance.

The CR4106AM1.5 set is a 1.5mm undersize bearing. This sizing is important when rebuilding or repairing an engine, especially if the crankshaft journals have been ground down to a smaller size. These bearings are an optional replacement for the CR4017AM model, noted for having two oil holes, suggesting a potential difference in lubrication flow characteristics. Choosing the correct bearing size is critical for proper oil clearance and engine longevity.

This set is a solid option for anyone working on the engine of a compatible vehicle, whether for a routine rebuild or a more involved repair. Always ensure you have the correct undersize measurement for your specific crankshaft application before ordering.