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2003 GMC Sierra 3500
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Valves, Valve Covers & Valvetrain
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OEM (Genuine) 2003 GMC Sierra 3500 Valve Cover
PartNumber: 12570427
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter Gas
- Location: Driver Side
- Other Names: Valve Cover
- Item Dimensions: 5.2 x 5.0 x 24.5 inches
- Item Weight: 3.20 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12561820
- Part Description: 2003 GMC Sierra 3500 Valve Cover
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$127.44 MSRP:$202.36You Save: $74.92 (38%)
Dorman® OE Solutions Driver Side Valve Cover Kit for 2003 GMC Sierra 3500
PartNumber: 264-965Product Specifications- Color: Natural
- Height: 3"
- Installation Hardware Included: Yes
- Item Grade: Standard Replacement
- Length: 19.5"
- Material: Aluminum
- OE Part Number: 12570427, 8-12570-427-0, 8-12561-820-0
- Oil Filler Cap Included: No
- UPC: 019495299905
- Valve Cover Type: Standard
- Width: 5"
- Part Description: 2003 GMC Sierra 3500 OE Solutions Driver Side Valve Cover Kit
Vehicle Fitment- 2003 GMC Sierra 3500 | All Trims | 8 Cyl 6.0L
$60.60OEM (Genuine) 2003 GMC Sierra 3500 Valve Cover
PartNumber: 12582224
Product Specifications- Notes: 4.8, 5.3 & 6.0 Liter Gas
- Location: Passenger Side
- Other Names: Valve Cover
- Item Dimensions: 4.9 x 4.9 x 24.9 inches
- Item Weight: 2.90 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12570428, 12561819, 12561818, 12559896
- Part Description: 2003 GMC Sierra 3500 Valve Cover
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
$101.31 MSRP:$160.89You Save: $59.58 (38%)
OEM (Genuine) 2003 GMC Sierra 3500 Valve Cover
PartNumber: 12570555
Product Specifications- Notes: 8.1 Liter Gas
- Location: Driver Side; Passenger Side
- Other Names: Valve Cover
- Item Dimensions: 23.5 x 7.7 x 4.5 inches
- Item Weight: 3.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12591507
- Part Description: 2003 GMC Sierra 3500 Valve Cover
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 8.1 L GAS
$103.90 MSRP:$171.97You Save: $68.07 (40%)
OEM (Genuine) 2003 GMC Sierra 3500 Valve Cover
PartNumber: 97223559
Product Specifications- Notes: 6.6 Liter Turbo Diesel, Upper; All Models; Upper
- Location: Driver Side; Passenger Side
- Other Names: Valve Cover
- Item Dimensions: 21.2 x 7.9 x 3.0 inches
- Item Weight: 6.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Valve Cover
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
$1260.40 MSRP:$1629.48You Save: $369.08 (23%)
OEM (Genuine) 2003 GMC Sierra 3500 Cover, Valve Rocker Arm
PartNumber: 97223425
Product Specifications- Notes: 6.6 Liter Turbo Diesel, Lower; All Models; Lower
- Location: Driver Side; Passenger Side
- Other Names: Valve Cover
- Item Dimensions: 29.5 x 7.0 x 4.7 inches
- Item Weight: 4.10 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2003 GMC Sierra 3500 Cover, Valve Rocker Arm
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT, WT | 8 Cyl 6.6 L DIESEL
OEM (Genuine) 2003 GMC Sierra 3500 Cover Asm-Valve Rocker Arm
PartNumber: 12570482
Product Specifications- Notes: All Models
- Other Names: Valve Cover
- Item Dimensions: 31.8 x 8.9 x 8.9 inches
- Item Weight: 2.60 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12559595
- Part Description: 2003 GMC Sierra 3500 Cover Asm-Valve Rocker Arm
Vehicle Fitment- 2003 GMC Sierra 3500 | Base, SL, SLE, SLT | 8 Cyl 8.1 L GAS
FAQ for Valve Cover Repair
Q: How to install the valve cover?
A:
You can install a new rocker cover gasket, the valve rocker arm cover, tighten the rocker arm cover bolts, install the PCV hose, apply thread lock GM P/N 12345382 (Canadian P/N 10953489), install the ignition coil bracket, the ignition coil bracket studs, the spark plug wires to the ignition coils, connect the main electrical connector, and install the engine sight shield.
By Bob
GM Specialist
01/11/2022Q: What is the recommended torque for the ignition coil bracket studs?
A:
The recommended torque is 12 Nm (106-inch lbs.).
By Bob
GM Specialist
01/11/2022Q: What is the recommended torque for the heater hose bracket and nut?
A:
The recommended torque is 9 Nm (80-inch lbs.).
By Bob
GM Specialist
01/11/2022Q: How to remove the valve cover?
A:
You can remove the engine sight shield, the Connector Position Assurance (CPA) lock, the harness clip, the spark plug wires, the ignition coil bracket studs, the ignition coil bracket, the Positive Crankcase Ventilation (PCV) hose, loosen the valve rocker arm cover bolts, remove the valve rocker arm cover, discard the old gasket, clean and inspect the rocker arm cover.
By Bob
GM Specialist
01/11/2022