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 580AM0.25 Main Bearing Set for Toyota 21R - +0.25mm Oversize

(1984 Toyota 4Runner; 1975-1990 Toyota Pickup; 1975-1983 Toyota Celica; 1975-1982 Toyota Corona)

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 580AM0.25
13 reviews
Sale Price

$42.31

Estimated ship date Tuesday, November 24

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 580AM0.25 is an OE-replacement crankshaft main bearing set designed for the Toyota 21R engine. This set is manufactured in a +0.25mm oversize to accommodate reground crankshafts, restoring proper oil clearances during engine rebuild or overhaul.

Material & Construction:

  • Bi-Metal Aluminum (AM) Construction — features an aluminum alloy bearing surface bonded to a steel backing shell
  • Aluminum-based material equivalent to SAE-783 specification
  • Engineered for low to medium load passenger car engine applications
  • Softest bi-metal material in King's bearing range, offering excellent conformability and embedability

Product Highlights:

  • OE-replacement fitment for precise installation
  • +0.25mm oversize for use with reground crankshaft journals
  • MPN: MB 580AM0.25
  • Manufactured to strict dimensional tolerances for consistent shell-to-shell wall thickness
  • Compatible with Toyota 21R engine applications

King Engine Bearings has specialized exclusively in engine bearings since 1960, producing precision components for automotive, light and heavy-duty truck, marine, aviation, and standby power applications. The MB 580AM0.25 delivers reliable performance and proper oil film protection for rebuilt 21R engines.

Products specifications

Fits

1984 Toyota 4Runner; 1975-1990 Toyota Pickup; 1975-1983 Toyota Celica; 1975-1982 Toyota Corona

Material

bimetal (aluminum base)

Undersize

0.25

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Application

OE Replacement

Title

King Bearings

Best price for this product. Thanks

Autoplicity has the cheapest prices around and fast shipping. I will do business with them again in the future.

Easy to use, will definitely return to the site as parts are needed.

great

Shipping seems a bit high even with the discount

Ordering was quick and easy. We'll have to wait and see how the rest goes.

I hope the product is as good as the speed I received the item. I even made a mistake on my order, and it still arrived fast. Thanx, will do business with again.

Good transaction.

Great

clear product description. Quick checkout process.

Autoplicity has a great selection of parts, great companies and great prices. Shipping was very fast and payment very easy. Will be shopping here in the future.

Excellent price and quick delivery made my first purchase a great one. Will for sure be checking out Autoplicity for any future buys.

Found autoplicity using google shop. You had the lowest price so I decided to try it out. I havent heard of autoplicity otherwise, so far i'm impressed.

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