What is the purpose of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They create a low-friction surface that allows the crankshaft to rotate smoothly while handling the immense forces generated during combustion.

Are these bearings a direct replacement for the original parts?

Yes, this set is built to factory specifications for the G63B/4G63 engine found in the 1989-1991 Hyundai Sonata. This ensures a direct fit and proper function as a replacement for your original bearings.

What does 'Standard Size' mean for these bearings?

Standard size bearings are designed to fit a crankshaft and block that are still within their original factory tolerances. If your crankshaft has been machined undersize due to wear or damage, you would need an undersize bearing set.

ACL

ACL 83-92 Mitsubishi 1997CC G63B/4G63 Standard Size Main Bearing Set

Name: ACL 83-92 Mitsubishi 1997CC G63B/4G63 Standard Size Main Bearing Set
Brand: ACL
Price: 22.84 USD
Availability: InStock

$22.84

Fits 1989-1991 Hyundai Sonata. ACL standard size main bearing set for G63B/4G63 engines.

Key Features

Fits 1989-1991 Hyundai Sonata.
Standard size main bearing set for G63B/4G63 engines.
Reduces friction and wear between the crankshaft and engine block.
Built to factory specifications for reliable performance.
ACL is a well-known manufacturer of engine bearings.

Fits this vehicle

Hyundai Sonata 1989-1991

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Product Details

ACL has been making engine bearings for decades, and this standard size main bearing set for your 1989-1991 Hyundai Sonata is one of their staples. These bearings are crucial for keeping your G63B or 4G63 engine's crankshaft spinning smoothly within the engine block. They sit between the crankshaft journals and the main bearing caps, reducing friction and wear in a high-stress environment.

This set is built to factory specifications, ensuring a direct fit and reliable performance for your Sonata. When you're rebuilding or refreshing your engine, using bearings that meet the original equipment standards is key to a long-lasting repair. ACL is known for producing well-built engine components, and this main bearing set is no exception, offering a solid option for keeping your engine running right.