King Engine Bearings Main Bearing Set

1994–2024 Dodge Ram 2500 / Ram 3500 Diesel 5.9L / 6.7L

Part #: MB7009SI0.25

Overview

The King Engine Bearings Main Bearing Set 0.25mm is engineered specifically for Dodge Ram 2500 and Ram 3500 diesel engines spanning model years 1994 through 2024. Designed to fit both the 5.9L and 6.7L Cummins diesel engines, this bearing set provides reliable, precision-fit components essential for maintaining engine durability and performance. Ideal for professional mechanics and diesel enthusiasts alike, King’s main bearings ensure optimal crankshaft support and smooth engine operation under demanding conditions.

King Engine Bearings has been a trusted name in the industry since 1960, focusing exclusively on delivering the highest quality engine bearings. This main bearing set is manufactured to exacting standards, offering superior wear resistance and long-lasting protection for your diesel engine’s rotating assembly.

Key Features

King Engine Bearings’ main bearing set incorporates advanced materials and manufacturing techniques to provide dependable performance and durability. Key features include:

• Precision-machined to 0.25mm undersize for accurate fitment and proper clearance
• Constructed from high-grade bearing alloys for enhanced wear resistance
• Optimized design to support heavy-duty diesel engine loads and high torque output
• Corrosion-resistant surface treatment to extend bearing life
• Compatible with both 5.9L and 6.7L Cummins diesel engines in Dodge Ram 2500 and 3500 models
• Manufactured under strict quality control standards to ensure consistent performance
• Designed to reduce friction and improve engine efficiency
• Ideal for engine rebuilds, overhauls, and performance upgrades

Construction & Design

King Engine Bearings utilizes premium bearing materials engineered to withstand the high pressures and temperatures typical of diesel engine operation. The main bearings feature a multi-layered construction with a durable steel backing and a finely polished bearing surface that promotes smooth crankshaft rotation. The 0.25mm undersize specification ensures proper clearance for crankshaft journals, which is critical for maintaining oil film integrity and preventing premature wear.

Each bearing shell is manufactured with tight tolerances and undergoes rigorous inspection to meet or exceed OEM specifications. This attention to detail guarantees a precise fit and reliable performance, even in the most demanding diesel applications.

Installation & Fitment

This main bearing set is designed for direct fitment in Dodge Ram 2500 and Ram 3500 diesel engines equipped with 5.9L and 6.7L Cummins powerplants from 1994 through 2024. Installation requires standard engine rebuild procedures, including proper cleaning of bearing surfaces and measurement of crankshaft journal diameters to confirm the correct bearing size.

Professional installation is recommended to ensure correct bearing clearance and torque specifications are met, which are critical for optimal engine longevity and performance. No modifications are necessary when using this bearing set in the specified applications.

What's Included

• Main bearing shells sized at 0.25mm undersize
• Complete set to support all main journals of the engine
• Packaging with part number and fitment details for easy identification

Ideal For

This King Engine Bearings Main Bearing Set is ideal for diesel engine rebuilders, mechanics, and performance enthusiasts who demand reliable, high-quality components for their Dodge Ram 2500 and 3500 trucks. Whether performing routine engine maintenance, a full rebuild, or upgrading engine durability, this bearing set provides the precision and strength needed to keep your Cummins diesel running smoothly for years to come.

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.