Buy 2007 Chevrolet Silverado 1500 WT Standard Cab Pickup Fleetside 5.3L Vortec V8 FLEX A/T 4WD Engine - OEM Chevrolet Part # 15854940

Mount.
A part that locates and supports the engine. It also reduces vibrations from the engine. Assembly - ENGINE. Motor.

Engine Mount

Fits Sierra 1500, Silverado

4.8, 5.3, 6.0 & 6.2 LITER, 5.3 liter. Silverado, Sierra; 5.3L; w/Flex Fuel.
Engine Mount - Repair or Replace
A broken or worn engine mount will often cause your 2007 Chevrolet Silverado to lurch when shifting gears, and you may also hear a clunk when accelerating or braking. Another likely symptom is excessive vibration from your engine.