What does the +0.50mm sizing mean for these bearings?

The +0.50mm sizing indicates that these main bearings are intended for use when the engine's crankshaft has been machined down by 0.50mm. This is a common practice during engine rebuilding to correct wear or achieve specific bearing clearances.

What is the advantage of the lead-free composite material?

The lead-free composite material is an environmentally safe option that is ideal for medium-load engines. It helps ensure reliable performance while meeting environmental standards.

Are these bearings suitable for high-performance or racing applications?

These bearings are designed for medium-load engines and are a well-built option for standard rebuilds and daily drivers. For high-performance or racing applications, it's always best to consult the manufacturer's specific product lines or a performance engine builder.

Specifications

Brand: King Engine Bearings
Part #: MB4549SI0.5
UPC: 611500615696

King Engine Bearings Ford Ecoboost 3.5L V6 (Size +0.50mm) Main Bearing Set

Name: King Engine Bearings Ford Ecoboost 3.5L V6 (Size +0.50mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-ford-ecoboost-3-5l-v6-size-0-50mm-main-t14-770415
Price: 63.73 USD
Availability: BackOrder

$63.73

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King Engine Bearings Main Bearing Set MB4549SI0.5 for Ford Ecoboost 3.5L V6. Features lead-free composite and bi-metal aluminum.

Key Features

Fits 16+ vehicle make/model combinations with the Ford Ecoboost 3.5L V6 engine.
Main bearing set is sized +0.50mm for use with a machined crankshaft.
Features a lead-free, environmentally safe composite material.
Constructed with a bi-metal aluminum material for durability.
Designed for medium-load engines.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This is a King Engine Bearings Main Bearing Set, specifically the MB4549SI0.5 model. This set includes the main bearings needed for a rebuild or repair on Ford Ecoboost 3.5L V6 engines. These bearings are sized at +0.50mm, meaning they are intended for crankshafts that have been machined down by 0.50mm to account for wear or to achieve a specific clearance.

King Engine Bearings has been specializing in bearing technology since 1960, focusing on supplying well-built engine bearings. This particular set utilizes a lead-free composite material, making it an environmentally safe option ideal for medium-load engines. The bi-metal aluminum construction offers a solid foundation for reliable performance, helping to maintain proper oil clearance and support the rotating assembly of your engine.

This bearing set fits a wide range of Ford and Lincoln vehicles equipped with the 3.5L Ecoboost engine, including models like the Ford F-150, Ford Explorer, and Lincoln MKT. Always consult your vehicle's service manual for specific installation procedures and torque specifications when replacing engine bearings.