Buy 2004 Chevrolet Silverado 3500 Base Standard Cab Pickup Fleetside 8.1L Vortec V8 A/T RWD Engine Piston, Models, BEARINGS - OEM Chevrolet Part # 19256831 (12583281)

Engine Connecting Rod. Rod Assembly, Connector.
2nd Design. Engine Connecting Rod. Incl.Bolts and Piston Pin Bushing.

Engine Connecting Rod

Fits Avalanche 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado, Suburban 2500, Yukon XL 2500

All Models; Part Of Piston.
Connecting Rod - Repair or Replace
When a connecting rod fails, it is usually pretty obvious. If your 2004 Chevrolet Silverado has "thrown a rod," you will have heard a loud bang followed perhaps by some smoke or fire from beneath the engine, and an engine that will no longer start.