Mounts for 2018 GMC Sierra 3500 HD
No.
Part # / Description / Price
Price
N/A
6.6L 8-Cylinder Diesel Engine Assembly 1 
GM
GM Notes: Does Not Include: Water Pump, Torsional Damper, Intake And Exhaust Manifolds, Distributor, Flywheel And Clutch Housing.
Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
$22,179.60
$22,179.60
N/A
Passenger Side Engine Mount GM
GM Description: GM Genuine Parts Passenger Side Engine Mount (Part Number: 84160829) is a passenger/right engine mount lined with rubber to reduce vibration, manufactured to GM OE fit and function. Design: Rubber-lined to help damp engine vibration and noiseFit: Specified ...
MSRP $231.84
$144.03
MSRP $231.84
$144.03
N/A
Transmission Mount GM
GM Description: GM Genuine Parts Transmission Mount (Part Number: 84474528)Type: Transmission mountMaster description: MOUNT-TRANS — transmission mounting componentFunction: Secures the transmission and absorbs drivetrain vibrations to help improve ride comfort and mai ...
MSRP $169.14
$105.56
MSRP $169.14
$105.56
N/A
Driver Side Engine Mount GM
GM Description: GM Genuine Parts Driver Side Engine Mount (Part Number: 23391859) is a factory engine mount that secures the engine to the vehicle frame and includes a rubber-lined interface to isolate vibration. It is designed to work with surrounding components for prop ...
MSRP $237.63
$147.63
MSRP $237.63
$147.63
1
Cylinder Head GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $833.93
$516.20
MSRP $833.93
$516.20
2
Head Gasket GM
GM Description: GM Genuine Parts Engine Cylinder Head Gasket (Part Number: 12727485) is a factory-spec head gasket designed to seal the cylinder head to the engine block and maintain combustion and coolant sealing. Function: Seals combustion and coolant passages between c ...
MSRP $104.38
$65.14
MSRP $104.38
$65.14
2
Head Gasket GM
GM Description: GM Genuine Parts Cylinder Head Gasket (Part Number: 12727484) is a factory engine gasket intended to seal the cylinder head to the engine block, maintaining combustion chamber integrity and coolant/oil separation. Designed for heavy-duty engine application ...
MSRP $88.36
$57.42
MSRP $88.36
$57.42
2
MSRP $123.77
$77.24
3
Cover GM
GM Description: GM Genuine Parts Driver Side Rocker Arm Cover (Part Number: 12677065) is a valve-cover-style assembly that protects the rocker arm area and provides sealing for the valve train. It restores engine top-cover function and appearance. Function: Covers and pro ...
MSRP $575.78
$356.43
MSRP $575.78
$356.43
3
Passenger Side Rocker Arm Cover GM
GM Description: GM Genuine Parts Passenger Side Rocker Arm Cover (Part Number: 12677067) is the valve cover assembly for the passenger-side rocker arm area that helps contain engine oil and protects valve-train components. It is supplied to meet GM factory specifications. ...
MSRP $195.24
$121.30
MSRP $195.24
$121.30
4
Valve Cover Gasket GM
GM Description: GM Genuine Parts Valve Cover Gasket (Part Number: 12691860) is a valve cover gasket designed to seal the rocker arm cover and help prevent oil leaks. Type: Valve Cover GasketFunction: Seals the valve cover to the cylinder head to retain engine oil and prev ...
MSRP $35.51
$23.65
MSRP $35.51
$23.65
5
Engine Intake Valve GM
GM Description: Silverado, Sierra 2500 HD. Intake. Silverado, Sierra 3500 HD.
MSRP $13.47
$10.76
MSRP $13.47
$10.76
6
Valve Seals GM
GM Description: GM Genuine Parts Valve Seals (Part Number: 12633926) are engine valve stem seals designed to control oil flow to valve stems and help prevent excessive oil consumption. Type: Valve stem oil sealsFunction: Regulate oil at valve stems to help prevent oil bur ...
MSRP $8.40
$7.18
MSRP $8.40
$7.18
7
Valve Springs GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $8.06
$6.88
MSRP $8.06
$6.88
10
Engine Exhaust Rocker Arm GM
GM Description: GM Genuine Parts Engine Exhaust Rocker Arm (Part Number: 12636190) is an OE exhaust rocker arm produced to GM specifications to actuate exhaust valves reliably. Function: Transmits camshaft motion to the exhaust valve to control valve timing and lift.Appli ...
MSRP $28.33
$20.99
MSRP $28.33
$20.99
10
Engine Intake Rocker Arm GM
GM Description: GM Genuine Parts Engine Intake Rocker Arm (Part Number: 12636189) is an OE intake rocker arm manufactured to GM specifications for valve actuation in the intake train. Function: Transfers camshaft motion to the intake valve to control valve timing and lift ...
MSRP $28.33
$20.99
MSRP $28.33
$20.99
11
Valve Rocker Arm Shaft GM
GM Description: Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $39.62
$26.40
MSRP $39.62
$26.40
12
Valve Push Rod GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $9.58
$7.63
MSRP $9.58
$7.63
13
Engine Hydraulic Valve Adjuster/Valve Lifter GM
GM Description: GM Genuine Parts Engine Hydraulic Valve Adjuster/Valve Lifter (Part Number: 12670435) is a valve lifter assembly that maintains proper valve lash by automatically adjusting valve clearance in compatible engines. Intended to help preserve valve train perfor ...
MSRP $14.95
$11.92
MSRP $14.95
$11.92
14
Engine Camshaft GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $255.37
$158.66
MSRP $255.37
$158.66
15
Engine Camshaft Bearing GM
GM Description: No. 1. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.46
$7.22
MSRP $8.46
$7.22
15
Engine Camshaft Bearing GM
GM Description: No. 2, 3, 4, 5. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $8.45
$7.22
MSRP $8.45
$7.22
16
Crankshaft Front Oil Seal GM
GM Description: GM Genuine Parts Crankshaft Front Oil Seal (Part Number: 97209341) is a genuine GM front crankshaft oil seal designed to help prevent engine oil leaks at the front seal location. Function: Seals the crankshaft front cover to help retain engine oil and prev ...
MSRP $71.22
$47.44
MSRP $71.22
$47.44
17
Engine Front Cover GM
GM Description: Silverado, sierra. 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $134.50
$83.94
MSRP $134.50
$83.94
18
Camshaft Gear GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD.
MSRP $276.98
$172.38
MSRP $276.98
$172.38
18
Crankshaft Gear GM
GM Description: Silverado, sierra. Crankshaft gear. Part of crankshaft. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $66.64
$44.39
MSRP $66.64
$44.39
20
Piston Ring GM
GM Notes: Includes: One Standard Ring Set For One Piston.
Description: GM Genuine Parts Piston Ring (Part Number: 12686801) is a piston ring kit supplied to meet original factory standards to restore sealing between piston and cylinder for proper compression and oil control. Function: Seals the piston to the cylinder wall to ...
MSRP $49.64
$33.06
MSRP $49.64
$33.06
21
Piston GM
GM Notes: Includes: One Standard Piston W/Pin.
Description: GM Genuine Parts Piston (Part Number: 12686800) is a factory replacement piston kit produced to meet GM specifications for dimensional accuracy and durability within the engine's combustion chamber. Function: Transmits combustion forces to the connecting r ...
MSRP $108.51
$67.73
MSRP $108.51
$67.73
22
MSRP $104.46
$64.67
23
Connecting Rod Bearing GM
GM Notes: Includes: One Standard Upper & Lower Bearing For One Rod. Order By Color.
Description: GM Genuine Parts Connecting Rod Bearing (Part Number: 12685817) is a bearing set used to support connecting rod journals in heavy-duty GM engines. Category: Engine Component PartsFunction: Bearing surfaces for connecting rods to ensure proper clearance and ...
MSRP $15.90
$12.67
MSRP $15.90
$12.67
24
Main Bearings GM
GM Notes: Includes: One Standard Upper & Lower Bearing. For 2017-19 Includes: Upper, Lower, & Thrust Bearings.
Description: Silverado, sierra. Bearing kit. All.
MSRP $100.31
$62.59
MSRP $100.31
$62.59
25
Engine Crankshaft GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
$1,148.47
$1,148.47
26
Rear Crankshaft Oil Seal GM
GM Description: GM Genuine Parts Rear Crankshaft Oil Seal (Part Number: 97209342) is a factory rear main seal engineered to seal the crankshaft (CR/SHF) rear journal and prevent engine oil leaks at the rear of the engine. It is designed to withstand heat and pressure typi ...
MSRP $83.58
$55.68
MSRP $83.58
$55.68
27
Vibration Damper GM
GM Description: 6.6L diesel, upper components. 2017-19. Silverado, sierra.
MSRP $169.57
$105.82
MSRP $169.57
$105.82
29
Clutch Flywheel GM
GM Description: Silverado, sierra. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors
MSRP $159.24
$99.38
MSRP $159.24
$99.38
30
MSRP $158.50
$98.92
30
Oil Pan GM
GM Description: GM Oil Pan (Part Number: 12730576) is a lower oil pan assembly designed for oil containment and engine lubrication system integrity on select Silverado and Sierra applications. Function: Collects and stores engine oil at the bottom of the engine while prov ...
MSRP $187.31
$116.37
MSRP $187.31
$116.37
31
Oil Pump GM
GM Description: Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. From 02/01/2023.
MSRP $177.55
$110.32
MSRP $177.55
$110.32
32
Oil Pump Screen GM
GM Description: GM Genuine Parts Oil Pump Screen (Part Number: 12671398) is an OEM oil pickup screen assembly designed to filter debris from engine oil before it reaches the oil pump. Master description: SCREEN ASM (Assembly)-O/PMPFunction: Prevents large debris from ente ...
MSRP $40.30
$26.85
MSRP $40.30
$26.85
1 This price excludes a refundable manufacturer's core charge. Add the part to your cart to see the core charge.