My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

King Engine Bearings MB 443SI Main Bearing Set

(1989 Pontiac Firebird; 1986 Pontiac Grand Am; 1980 Buick Regal; 1976, 1978-1979 Buick LeSabre; 1975-1977, 1983, 1986 Buick Century + 3 more models)

Part of: King Engine Bearings Main Bearing Set Oversize

Other options in this family: King Engine Bearings MB5835SI0.5 King Engine Bearings MB5557SI0.75 King Engine Bearings MB4102SI0.25 King Engine Bearings MB5280SI0.5 King Engine Bearings MB5770SI0.25

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB 443SI
5 reviews
Sale Price

$47.91

1 left at this price

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The King Engine Bearings MB 443SI is a high-performance main bearing set engineered for Buick, Pontiac, and Oldsmobile V6 engines. King Engine Bearings are precision-manufactured to OEM specifications and feature advanced materials and coatings for enhanced durability and engine protection.

Key Features:

  • Precision-engineered main bearing set for GM V6 applications
  • Compatible with Buick, Pontiac, and Oldsmobile V6 engines
  • High-quality bearing material for superior wear resistance
  • Manufactured to strict OEM tolerances for proper fitment
  • Designed for both stock rebuilds and performance applications

King Engine Bearings is a trusted name in the engine building industry, known for producing reliable bearings that meet the demands of street, racing, and marine applications. This bearing set provides the quality and precision needed for a durable engine rebuild.

Products specifications

Fits

1989 Pontiac Firebird; 1986 Pontiac Grand Am; 1980 Buick Regal; 1976, 1978-1979 Buick LeSabre; 1975-1977, 1983, 1986 Buick Century; 1985 Buick Riviera; 1986 Oldsmobile Toronado; 1988 Oldsmobile Cutlass Ciera

It was very easy to find what I needed by part number and check out was very easy

It was fast and easy !

No, thank you

Part were what was wanted

So far so good. Hurry up and ship these to me!

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy