Buy 2013 Chevrolet Silverado 3500 HD LT Crew Cab Pickup 6.6L Duramax V8 DIESEL A/T 4WD Engine Mount BEARINGS, Braking - OEM Chevrolet Part # 92245555 (92188758)

Engine Mount. Motor Mount.
A part that locates and supports the Engine. It also reduces vibrations from the Engine.

Engine Mount

Fits GTO

GTO.
Engine Mount - Repair or Replace
A broken or worn engine mount will often cause your 2013 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.