What is the primary purpose of main bearings in an engine?

Main bearings support the crankshaft within the engine block. They allow the crankshaft to rotate smoothly while maintaining precise clearances that are crucial for oil pressure and reducing friction.

What does 'tri-metal construction' mean for these bearings?

Tri-metal construction refers to a bearing layer made of three different metals. This design is common in high-performance and heavy-duty engines because it offers a good balance of strength, conformability, and embeddability to handle high loads and temperatures.

Are these bearings a direct replacement for the stock Cummins KTA main bearings?

Yes, this Clevite MS1625P bearing set is designed as a direct replacement for the main bearings in Cummins KTA Series 6-cylinder engines. Proper installation according to manufacturer specifications is still required.

Clevite Cummins KTA Series Main Bearing Set MS1625P

Name: Clevite Cummins KT KTA Series 6 Cyl Main Bearing Set
Brand: Clevite
SKU: clevite-clevite-cummins-kt-kta-series-6-cyl-main-bearing-set-t14-56528
Price: 840.45 USD
Availability: BackOrder

Clevite Cummins KT KTA Series 6 Cyl Main Bearing Set

$840.45

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Clevite Cummins KT KTA Series 6 Cyl Main Bearing Set. Essential for engine rebuilds.

Key Features

Fits Cummins KTA Series 6-Cylinder engines.
Tri-metal construction for durability and wear resistance.
Designed to maintain proper crankshaft clearance and oil pressure.
Well-built by Clevite, a trusted name in engine components.
Essential for engine rebuilding and bottom-end overhauls.

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Product Details

When you're rebuilding the bottom end of your Cummins KTA engine, getting the main bearings right is critical for long-term reliability. This main bearing set from Clevite is built to handle the demands of those powerful 6-cylinder engines, ensuring your crankshaft spins smoothly and stays properly supported. Proper main bearing clearance is key to managing oil pressure and reducing friction, which directly impacts engine performance and lifespan.

Clevite has a long history of making well-built engine components, and this set is no exception. They use a tri-metal construction, which is a standard for high-performance and heavy-duty applications. This means you get a strong bearing surface that can withstand the high loads and temperatures found in a Cummins diesel. The material is designed to bond well with the steel backing, creating a durable unit that resists wear and maintains its shape under pressure. This particular set is designed for the KTA series engines, meaning it's made to the correct specifications for a direct fit, simplifying your rebuild process.

When installing these bearings, it's important to follow the manufacturer's specifications for clearance and torque. Cleanliness is also paramount during engine assembly; make sure your crankshaft journals and the bearing saddles in the block are spotless. This set is designed to be a direct replacement for your stock main bearings, so you won't need any special modifications. Having the right bearings is a foundational step for a successful engine rebuild, and this Clevite set offers a solid option for your Cummins.