Duramax LB7 Main Bearings 2001-2004 King MB5724XPCSTDX

King main bearing set for the Duramax LB7 (2001-2004). Listed for one application: Duramax LB7 engines, 2001-2004, in Chevrolet, GMC applications. Confirm your engine code and year against this listing before ordering.

What it does

Main bearings carry the crankshaft in the block. Low oil pressure, debris or detonation wipe them, and a spun main is an engine-out event. A new set at the correct size (standard or undersize) is part of every rebuild.

Fits

• Chevrolet vehicles with the Duramax LB7 engine, 2001-2004
• GMC vehicles with the Duramax LB7 engine, 2001-2004

Fixes

• a deep knock that follows engine load
• low hot oil pressure with a worn pump ruled out
• any crank-out rebuild

What's included

• a full main bearing set with thrust bearing at the stated size

Specifications

• Brand: King
• Part number: MB5724XPCSTDX
• Shipping weight: 2.1 lb
• Condition: new
• Product type: Main Bearings

Cross-reference

Replaces or interchanges with King MB5724XPCSTDX for the Duramax LB7. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.