What does the '+0.75mm' size mean for these bearings?

The '+0.75mm' indicates that these bearings are designed for crankshaft journals that have been machined undersize by 0.75mm. This is common during engine rebuilding when the original journals have wear or damage and need to be reconditioned to a specific size.

What is a bimetal bearing, and why is it used?

Bimetal bearings, like these from King Engine Bearings, are constructed with multiple layers of metal. They typically have a steel backing for strength and a bimetal overlay, often aluminum-based, which provides good bearing properties like conformability and embeddability, along with good heat transfer.

Do I need to replace the crankshaft when installing these bearings?

These bearings are sized +0.75mm, which means they are intended for a crankshaft that has already been machined down by 0.75mm. If your crankshaft is still at standard size and shows no wear, you would need bearings of the standard size, not this +0.75mm set.

Specifications

Brand: King Engine Bearings
Part #: MB5022AM0.75
UPC: 611500321733

King Engine Bearings Hyundai G4Ed/G4Ae/G4Fk (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Hyundai G4Ed/G4Ae/G4Fk (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-hyundai-g4ed-g4ae-g4fk-size-0-75mm-mai-t14-770466
Price: 35.51 USD
Availability: BackOrder

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Fits 1995-2011 Hyundai Accent. King Engine Bearings G4Ed/G4Ae/G4Fk Main Bearing Set (+0.75mm) is a bimetal aluminum-based bearing set for engine rebuilding.

Key Features

Fits 1995-2011 Hyundai Accent, 1993-1995 Hyundai Scoupe, and 2006-2011 Kia Rio/Rio5.
Designed for Hyundai G4Ed, G4Ae, and G4Fk engine codes.
Main bearing set is sized +0.75mm for use on machined crankshaft journals.
Constructed with a bimetal design on an aluminum base.
Helps ensure proper crankshaft and bearing alignment and oil flow.

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About this part

Product Details

When you're rebuilding the engine in your 1995-2011 Hyundai Accent, Kia Rio, or Rio5, a fresh set of main bearings is crucial. This set from King Engine Bearings is specifically for Hyundai G4Ed, G4Ae, and G4Fk engines, and it's sized +0.75mm, meaning it's designed to fit crankshaft journals that have been machined down by 0.75mm. These are bimetal bearings, built on an aluminum base, which helps with heat dissipation and wear resistance.

King Engine Bearings is a well-known name in engine components, and these main bearings are made to be a direct fit for the specified Hyundai and Kia engines. Having the correct bearing clearance is essential for proper oil flow and to prevent premature wear on your crankshaft and bearings. This set is a solid option when you need to replace worn-out bearings during an engine overhaul.