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 MB4018SI Main Bearing Set GM OHV Silicon Aluminum - 231ci V6

(Chevrolet Camaro 1998-2002, Impala 2000-02, 2004-05, Monte Carlo 1998, 2000-01, 2004; Pontiac Firebird 1996-2002, Grand Prix 2008 + 11 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

MB4018SI
11 reviews
Sale Price

$69.46

Estimated ship date Monday, November 30

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 MB4018SI is a main bearing set designed for General Motors 231 cubic inch V6 OHV engines. Engineered with King's bi-metal silicon aluminum construction, this set delivers reliable performance and longevity for medium-duty engine applications.

Material Construction:

  • Bi-Metal Silicon Aluminum – An aluminum-based bearing material strengthened with 2.5–3% silicon content
  • Ideal for medium load engine applications
  • Well-suited for use with nodular cast iron crankshafts
  • Silicon content enhances wear resistance and load-bearing capacity over standard aluminum bearings

King Engine Bearings is a globally recognized manufacturer known for precision-engineered bearings used in OEM and performance engine applications. The MB4018SI main bearing set is a dependable choice for engine rebuilds requiring accurate tolerances and durable materials.

Products specifications

Fits

Chevrolet Camaro 1998-2002, Impala 2000-02, 2004-05, Monte Carlo 1998, 2000-01, 2004; Pontiac Firebird 1996-2002, Grand Prix 2008; Buick Regal 1990-93, Lucerne 2006-08, Skylark 1992-93, Riviera 1990-93, 1995-99, Reatta 1988-91 + 6 more models

Undersize

STD

Material

bimetal (aluminum silicon base)

Flange Oversize

FL STD

Best prices

I did get the order and it was on time . how ever it was not what I need .I did not order the right thing and I send it back . they was very helpful and I was happy with them . steve

Great So Far

Great service and awsome prices

Awesome found parts I couldn't anywhere else.x

Good

Great pricing, Great service, and Great variety !!! I highly reccomend this site!!!

Website is easy to naviagte.

Ordering was fine we will see if product is delivered properly.

No issues at all and a very good price to boot. What could be better? Will definitely order from them again.

Simple checkout process

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