For vehicles with the 5.3L engine. This part also fits vehicles with the 4.8L, 6.0L, or 6.2L engine. Fits models with engine option L99 (verify your 8th VIN digit is J) or engine option L76 (verify your 8th VIN digit is Y). This is for the new style (smooth door skin) and is not for hybrid models.
Mileage: 59,000 miles
This timing cover assembly fits vehicles with the 5.3L, 6.2L, or 6.6L gasoline engine. For 6.2L engines, verify your vehicle's 8th VIN digit is 6 (option code LT4). Also fits vehicles with option code L83.
Fits vehicles with the 6.6L engine (engine code LMM, verify your vehicle's 8th VIN digit is 6).
Description: Rear Seal Housing
Built for vehicles with the 6.6L engine (VIN L, 8th digit, option code LGH).
Mileage: 231,200 miles
With Sensor Material: Aluminum ATP Number: 103359 ATP Availability: Available to Order Pioneer Number: 500LS1B Pioneer Availability: Available to Order Pioneer Supersession: Replaces 500LS2
Fits vehicles with the 6.6L turbo diesel engine. This is the front timing cover.
For vehicles with the 6.6L turbo diesel engine and automatic transmission.
Mileage: 103,900 miles
For vehicles with the 6.6L turbo diesel engine and automatic transmission. This is the lower oil cooler.
Mileage: 120,300 miles
Browse our selection of quality engine timing cover parts designed specifically for your GMC Sierra 3500 HD. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
AT4 · Base · Denali · Denali Ultimate · Pro · SLE · SLT · WT
Cab & Chassis · Crew Cab Pickup · Extended Cab Pickup · Standard Cab Pickup
V8 6.0L · V8 6.6L
Automatic