AR12250 Main Bearing | Genuine Cummins for KTA38 & QSK38 Engines

Product Overview 

The AR12250 Main Bearing is a genuine Cummins CCEC replacement component engineered exclusively for KTA38 and QSK38 series diesel engines. It ensures stable crankshaft operation and load distribution in heavy-duty applications such as power generation construction machinery marine propulsion and mining equipment.

Product Notes 

The AR12250 Main Bearing manufactured from high-strength alloy steel with precision machining and anti-friction coating delivers exceptional wear resistance fatigue strength and oil retention performance. As a genuine Cummins CCEC component it ensures tight fit with crankshaft and engine block reduces the risk of crankshaft scuffing and bearing failure and maintains consistent performance under extreme load and temperature conditions making it essential for rebuilds and overhauls of KTA38 and QSK38 engines.

Key Features:

・Part Number:AR12250 

・Fitment: Cummins KTA38 & QSK38 series engines

・Material:Premium alloy steel with anti-friction coating

・Application: Engine crankshaft main bearing assembly

・Quality: Genuine specifications

・Service: Wholesale and bulk orders available

Why Choose Us?

・100% genuine Cummins CCEC parts

・ Professional technical support for fitment verification

・Competitive wholesale pricing

・Fast global shipping

・12-month warranty against manufacturing defects