Special Offers
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6386243 Camshaft Thrust Bearing
Part Number:6386243Part Name:Camshaft Thrust BearingOrigin:ChinaCondition:OEMSale price $524.37Regular price $887.40Sale price $524.37Regular price $887.40 -
6421692 Thrust Bearing Wear Plate
Part Number:6421692Part Name:Thrust Bearing Wear PlateOrigin:ChinaCondition:OEMSale price $385.84Regular price $648.39Sale price $385.84Regular price $648.39 -
6422041 Thrust Bearing
Part Number:6422041Part Name:Thrust BearingOrigin:ChinaCondition:OEMSale price $209.83Regular price $311.00Sale price $209.83Regular price $311.00 -
AR12250 Main Bearing ( Standard ) Set
Our AR12250 standard main bearing set, with interchangeable part number 3014054, is precision-engineered for Cummins K38, KTA38, and QSK38 industrial engines. Machined from premium lead-free copper alloy with strict dimensional tolerances, it offers superior load-bearing capacity,...Sale price $1,789.95Regular price $2,395.95Sale price $1,789.95Regular price $2,395.95 -
AR12270 K6 Main Bearing Shell (Standard)
The Main Bearing (AR12270) is a crucial component of an engine's bottom end. It is a cylindrical bearing that supports the crankshaft and allows it to rotate smoothly within the engine block. The main bearing consists...Regular price $1,022.07Regular price $1,022.07 -
AR12272 Main Bearing Shell (.020) +0.5mm
The Main Bearing 0.020 Shell, also known as part number AR12272, is a component in a truck's engine that is responsible for supporting the crankshaft and reducing friction between it and the engine block. It is...Regular price $223.15Regular price $223.15
Main bearings are precision-engineered bearings that support the crankshaft inside the engine block. They sit between the crankshaft's main journals and the engine block's bearing saddles, allowing the crankshaft to rotate smoothly at high speed while carrying the forces generated by combustion. They also maintain the critical oil clearance that allows a thin film of oil to separate the crankshaft from the bearing surface, preventing metal-to-metal contact.