What does the '+0.25mm' size mean for these bearings?

The '+0.25mm' indicates that these bearings are 0.25 millimeters larger in diameter than standard size. This means they are intended for use when the crankshaft journals have been machined down by 0.25mm during an engine rebuild to correct wear or imperfections.

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

The lead-free composite material is an environmentally safer alternative to traditional bearing materials. It's designed for medium-load engines and helps ensure proper oil clearance and smooth operation.

Do these bearings come with installation instructions?

While these bearings are designed as a direct replacement, it is always recommended to refer to the manufacturer's installation guidelines or a service manual for the specific torque specifications and procedures for your vehicle's engine.

Specifications

Brand: King Engine Bearings
Part #: MB4102SI0.25
UPC: 611500466830

King Engine Bearings Chrysler 226 (3.7L) (Size +0.25mm) Main Bearing Set

Name: King Engine Bearings Chrysler 226 (3.7L) (Size +0.25mm) Main Bearing Set
Brand: King Engine Bearings
SKU: king-engine-bearings-king-engine-bearings-chrysler-226-3-7l-size-0-25mm-main-bea-t14-770358
Price: 37.17 USD
Availability: BackOrder

$37.17

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King Engine Bearings MB4102SI0.25 Main Bearing Set. Lead-free composite bearings for 3.7L engines.

Key Features

Fits a wide range of Chrysler 3.7L engines, including Dodge Dakota, Jeep Liberty, and Ram 1500 models.
This is a +0.25mm undersize main bearing set, intended for use with a machined crankshaft.
Constructed with a bi-metal aluminum material suitable for medium-load engines.
Features a lead-free, environmentally safe composite layer for improved performance.
Specialized bearing design from King Engine Bearings, a company focused on engine bearings since 1960.

⚠️ 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

If you're rebuilding the bottom end of your Chrysler 3.7L engine, getting the main bearings right is crucial for long-term health. These main bearings from King Engine Bearings are designed to be a direct replacement for a range of vehicles, including the Dodge Dakota, Jeep Liberty, and Ram 1500.

King specializes in bearings, and these are built with a bi-metal aluminum material that's ideal for medium-load engines. They feature a lead-free, environmentally safe composite layer, which is a smart choice for modern builds. Because these are a +0.25mm undersize set, they're intended for use when the crankshaft journals have been machined down to that specific size during an engine rebuild.

Having the right bearings ensures proper oil clearance and smooth rotation of your crankshaft, which is key to preventing premature wear and ensuring your engine runs as it should.