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 459SI1.25 Main Bearing Set Ford V-6 183 +1.25mm Oversize

(Ford Ranger 1991-2008, Taurus 1986-2007, Windstar 1995-2000, Probe 1990-92, Aerostar 1986-97, Tempo 1992-94, F-100 Ranger 1996-2001 + 4 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 MB5280SI0.5 King Engine Bearings MB5770SI0.25 King Engine Bearings MB5845SI

Manufacturer

Picture for manufacturer King Engine Bearings

Part Number

MB 459SI1.25
10 reviews
Sale Price

$31.98

Estimated ship date Sunday, November 22

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 459SI1.25 is a +1.25mm oversize main bearing set designed as a precision OE-replacement solution for the Ford V-6 183 cubic inch engine. This set includes 4 pairs of bi-metal main bearings engineered to restore factory-spec crankshaft clearances during engine rebuilds requiring heavy journal correction.

SI Series Bi-Metal Material Technology:

  • Aluminum-Silicon alloy composition — blends aluminum with 2.5–3% silicon for enhanced strength and wear resistance
  • Lead-free construction — an environmentally responsible, OE-grade replacement bearing material
  • Optimized for medium-load engines, particularly those equipped with nodular cast iron crankshafts
  • Provides excellent fatigue resistance and conformability for reliable long-term engine performance

Set Details:

  • Bearing Type: Main Bearing Set
  • Series: SI (Bi-Metal Aluminum Silicon)
  • Oversize: +1.25mm
  • Quantity: 4 pairs
  • Application: Ford V-6 183 cubic inch engine
  • Manufacturer Part Number: MB 459SI1.25

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 SI Series is the ideal choice for stock and mild-performance engine rebuilds demanding a dependable, lead-free OE replacement bearing.

Products specifications

Fits

Ford Ranger 1991-2008, Taurus 1986-2007, Windstar 1995-2000, Probe 1990-92, Aerostar 1986-97, Tempo 1992-94, F-100 Ranger 1996-2001, Ghia 1991-94; Mazda B3000 1994-2008; Mercury Sable 1986-2005, Topaz 1992-94

Material

bimetal (aluminum silicon base)

Flange Oversize

FL ON MAX

Undersize

1.25

great to do business with

Best yet!

so far excellent..quick check out time!

I was having difficulty finding EGR Fender Flares that were available, but Autoplicity not only had the exact set I needed but had them at the lowest price I'd seen and had super fast shipping - thank you Autoplicity!

able to process order very quickly

Smooth process.

Great customer service. Quick process and shipped les than 24hrs after order. 5 stars.

The shipping was fast and the customer service was great. I accidentally hit submit twice, and they promptly cancelled my accidental order. If you have any problems, just call!

none

Autoplicity has the best prices around

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