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King Engine Bearings MB4080SI1.5 Main Bearing Set GMC - 2.8L 3.4L V6

(Chevrolet Camaro 1985-95, S10 1986-93, Impala 2000-05, Malibu 1997-2003, Equinox 2005-09, Monte Carlo 1995-2005, Cavalier 1987-94 + 40 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

MB4080SI1.5
11 reviews
Sale Price

$43.28

Estimated ship date Monday, November 23

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Product Details

The King Engine Bearings MB4080SI1.5 is a complete main bearing set designed for GMC 2.8L and 3.4L V6 engines (173ci and 207ci). Engineered with King's proven bi-metal silicon aluminum construction, this bearing set delivers reliable performance and durability for medium-load engine applications.

Material & Construction:

  • Bi-Metal Silicon Aluminum – Aluminum-based bearing material strengthened with 2.5–3% silicon content
  • Ideal for medium-load engines and nodular cast iron crankshafts
  • Silicon aluminum alloy provides excellent conformability and embeddability to protect crankshaft journals
  • Bi-metal design offers a balance of strength and surface compatibility

Key Features:

  • OE-quality replacement main bearing set
  • 1.5 oversize designation (MB4080SI1.5) for engines with reground or worn crankshafts
  • Precision manufactured to tight tolerances for optimal oil clearance
  • King's industry-standard quality control for consistent sizing and finish

King Engine Bearings is a globally recognized manufacturer trusted by engine builders and OEM suppliers worldwide. The MB4080SI1.5 main bearing set is a reliable choice for engine rebuilds on applicable GMC 2.8L and 3.4L V6 platforms.

Products specifications

Fits

Chevrolet Camaro 1985-95, S10 1986-93, Impala 2000-05, Malibu 1997-2003, Equinox 2005-09, Monte Carlo 1995-2005, Cavalier 1987-94, S10 Blazer 1986-89, 1991-94, Venture 1997-2005, Lumina 1990-2001, Corsica 1987-96, Celebrity 1986-90 + 35 more models

Undersize

1.5

Flange Oversize

FL O/S 0.25mm

Material

bimetal (aluminum silicon base)

Very nice!

Quick response on order and said it would be here in a few days.<br>Would use Autoplicity again.

Product as described. Customer Service very helpful. Will shop again.

Need more specific details on item.

easy site ...

good price, I need quick

Great Prices and great communication. I received notification as soon as I made the order, and when it was shipped out, along with a Tracking number. They were very quick to mail it out too.<br><br>Thanks<br><br>Order number 13029

easy

Great service. Will definitely buy from them again.

Excellent prices, inventory and fast service. I placed my order on Saturday, Aug 4, it was shipped on Monday, Aug 6, and due to arrive on Friday. I will be a repeat customer with prices and service like this.

great product shipping Took longer than I would have wanted but overall I guess I want in a hurry for the part

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