What does the +0.75mm sizing mean for these bearings?

The +0.75mm sizing indicates that these bearings are meant for a crankshaft that has been machined down by 0.75mm. This is common during engine rebuilds when the crankshaft journals have wear or damage and need to be reconditioned to a specific undersize.

What is the advantage of the bi-metal aluminum material?

The bi-metal aluminum construction is chosen for its good load-carrying capacity and compatibility with crankshafts in medium-load engine applications. It's a well-established material for engine bearings.

Are these bearings environmentally safe?

Yes, these bearings are made with a lead-free composite material, making them an environmentally safe option.

Specifications

Brand: King Engine Bearings
Part #: MB5707SI0.75
UPC: 611500578632

King Engine Bearings Hyundai G4Kc/G4Ke (Size +0.75mm) Main Bearing Set

Name: King Engine Bearings Hyundai G4Kc/G4Ke (Size +0.75mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-hyundai-g4kc-g4ke-size-0-75mm-main-bea-t14-770901
Price: 30.32 USD
Availability: BackOrder

$30.32

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King Engine Bearings Hyundai G4Kc/G4Ke (Size +0.75mm) Main Bearing Set. A well-built bearing set for engine rebuilds.

Key Features

Fits 2006-2020 Kia Optima, 2006-2019 Hyundai Sonata, and many other Hyundai and Kia models.
Main bearing set sized at +0.75mm for use with machined crankshaft journals.
Utilizes a lead-free, environmentally safe composite material.
Features a bi-metal aluminum construction.
Suitable for medium-load engine applications.

⚠️ 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 Hyundai or Kia engine, getting the right main bearings is crucial. This set from King Engine Bearings is specifically made for the G4Kc and G4Ke engines, and it's sized at +0.75mm, meaning it's intended for use when the crankshaft journals have been machined down to match this size. King has been a specialist in bearings since 1960, focusing on making sure they meet the needs of various engines.

These bearings use a lead-free, environmentally safe composite material. This bi-metal aluminum construction is well-suited for medium-load engines, offering a solid option for your rebuild. They are designed to fit right into the specified Hyundai and Kia applications, ensuring a proper installation when the crankshaft has been properly prepared.