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King Engine Bearings MB 551AM 1.0 Main Bearing Set Toyota 3K 4K Engine

(1968-1979 Toyota Corolla; 1981-1984 Toyota Starlet)

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 551AM1.0
11 reviews
Sale Price

$42.64

Estimated ship date Tuesday, November 24

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Product Details

The King Engine Bearings MB 551AM 1.0 is an oversized main bearing set engineered for Toyota 3K and 4K series engines. This set features a 1.0mm oversize specification, designed for use during engine rebuilds where crankshaft journals have been machined undersize to restore proper tolerances.

King Engine Bearings are manufactured to exacting OEM-equivalent or superior standards, using advanced tri-metal and bi-metal construction with precision overlay coatings that deliver excellent wear resistance, conformability, and load-bearing capacity — qualities critical in high-mileage rebuilds.

Key Features:

  • Manufacturer Part Number: MB 551AM 1.0
  • 1.0mm oversize for use with reground crankshafts
  • Designed for Toyota 3K and 4K inline four-cylinder engines
  • Precision-manufactured to tight dimensional tolerances
  • High-quality bearing material for excellent wear resistance and durability
  • Complete main bearing set for full engine rebuild
  • King Engine Bearings' renowned quality backed by decades of OEM and aftermarket experience

King Engine Bearings is a globally recognized manufacturer trusted by professional engine builders for consistent quality and precise tolerances. The MB 551AM 1.0 is an ideal choice for restoring proper crankshaft clearances during a full engine rebuild on Toyota 3K or 4K powered vehicles.

Products specifications

Fits

1968-1979 Toyota Corolla; 1981-1984 Toyota Starlet

Material

bimetal (aluminum base)

Undersize

1.0

It was easy and quick to shop on your website.

They had the lowest price by far! Quick shipment! I am going back for more. Thanks!<br><br>Order 6489

So far, so good

Awesome

seems quick and easy. However the fitmant guide on the product says the part will fit, and the vehicle selection column on the left says it will not

Quick and easy so far

Great Parts and Great Price.

Great

very good so far. waiting to see how delivery goes. thanks

This is an excellent company to buy from....the step by step email s letting me know exactly what stage my order is on has been very helpful in keeping track of my purchases! They had the right product at the right price for me!

no problems at all. found what i was looking for at the lowest price i could find

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