King Engine Bearings Crankshaft Main Bearings

Fits Most Dodge/Jeep 5.2L/4.0L/3.9L (98-03)

MB517SI040

Overview:

King Engine Bearings Crankshaft Main Bearings are precision-engineered components designed to provide reliable support and smooth operation for the crankshaft in a variety of Dodge and Jeep vehicles. Specifically crafted for select Dodge Ram trucks, Dakota, Durango, and Jeep Grand Cherokee models from the mid-1990s to early 2000s, these main bearings are essential for maintaining engine durability and performance.

Ideal for mechanics, restorers, and performance enthusiasts seeking dependable engine rebuild parts, these bearings ensure optimal crankshaft alignment and reduce friction under demanding conditions. Their robust construction helps extend engine life and maintain smooth operation, making them a trusted choice for both daily drivers and high-mileage vehicles.

Key Features:

King Engine Bearings are known for their quality and durability. This main bearing set offers the following key features:

• Precision bimetal construction with an aluminum-silicon base for excellent wear resistance
• Engineered to exact OEM specifications for a perfect fit and reliable performance
• Optimized for Chrysler 360 engine applications found in Dodge and Jeep models
• Superior load-carrying capacity to withstand high engine stresses
• Enhanced oil retention properties to maintain proper lubrication and reduce friction
• Corrosion-resistant materials for long-lasting durability
• Manufactured under strict quality control standards to ensure consistency
• Compatible with a wide range of Dodge Ram 1500, 2500, 3500, Dakota, Durango, and Jeep Grand Cherokee engines from 1994 to 2003

Construction & Design:

These crankshaft main bearings feature a bimetal design, combining a durable aluminum-silicon alloy base with a steel backing. This construction provides a balance of strength, flexibility, and wear resistance, crucial for supporting the crankshaft under varying loads and temperatures. The aluminum-silicon layer offers excellent conformability and embedability, allowing the bearing to accommodate minor imperfections in the crankshaft journal surface while resisting abrasive wear.

King Engine Bearings are manufactured with tight tolerances to ensure precise fitment and consistent performance. The steel backing adds structural integrity, preventing deformation during engine operation. This combination results in a bearing that maintains oil film integrity, reduces metal-to-metal contact, and helps prevent premature engine wear.

Installation & Fitment:

Installation of King Engine Bearings Crankshaft Main Bearings requires standard engine rebuild procedures. These bearings are designed as direct replacements for the specified Dodge and Jeep models, fitting the Chrysler 360 engine platform without the need for modifications. Proper cleaning of the crankshaft journals and bearing surfaces is essential before installation to ensure optimal performance and longevity.

It is recommended to measure bearing clearances during installation to confirm correct tolerances and prevent potential engine damage. Professional installation is advised to guarantee proper alignment and torque specifications are met.

What's Included:

• Complete set of crankshaft main bearings for Chrysler 360 engine applications
• Precision-matched bearing shells for each main journal
• Packaging with part number MB517SI040 for easy identification

Ideal For:

This King Engine Bearings main bearing set is ideal for automotive professionals, engine rebuilders, and enthusiasts working on Dodge Ram 1500, 2500, 3500, Dakota, Durango, and Jeep Grand Cherokee vehicles from 1994 through 2003. Whether restoring a classic truck or maintaining a daily driver, these bearings provide reliable performance and durability for engines equipped with the Chrysler 360 platform.

King Engine Bearings specializes in engine bearings with a strong footprint in performance and racing, developing advanced bearing materials and designs for high-load engines. Builders and racers rely on King for main and rod bearings engineered to handle higher cylinder pressures and sustained RPM without sacrificing reliability.