Engine Assembly-Cylinder Head & Valvetrain Detail fit your 2021 GMC Sierra 2500 HD 2WD

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2021 GMC Sierra 2500 HD 2WD

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

11516357
BOLT, Engine Valve Rocker Arm Shaft, BOLT,VALVE ROCKER ARM SHAFT(M10X1.5X75,25THD,22.3 O.D., 9.8,7114M)(8.900)
- Require Quantity: 05
- Package Quantity: 5
$15.38 $9.78
5
Add To Cart

12638257
PAD, Valve Stem, PAD,VALVE STEM BRIDGE
- Require Quantity: 16
- Package Quantity: 1
$7.40 $4.69
1
Add To Cart

PIN, Engine Valve Rocker Arm Shaft
22531637
PIN, VALVE ROCKER ARM SHAFT LOCATING(8MM DIAMETER,12MM LONG)(DOWEL)(0.413)
Require Quantity: 04
Package Quantity: 10
$5.11 $3.24
10
Add To Cart
12648428
PIN, VALVE ROCKER ARM SHAFT LOCATING
$4.44 $2.82
1
Add To Cart

12690238
GLOW PLUG, Spark Ignition, GLOW PLUG,(DO NOT USE IF DROPPED OR DAMAGED)
- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12725202
$40.90 $22.80
1
Add To Cart

PLUG, Engine Cylinder Head

11547206
PLUG, CYL HEAD CORE HOLE(30.221-30.160)(REAR FACE LARGE CUP PLUG)
$4.92 $3.13
1
Add To Cart
11602945
PLUG, CYL HEAD CORE HOLE(PART OF 1)(M16X1.5X15,8 INTAKE HEXAGON)
- Require Quantity: 07
- Package Quantity: 1
$3.95 $2.51
1
Add To Cart

12633926
SEAL, Engine Valve, SEAL,VALVE STEM OIL(SINGLE USE)
- Require Quantity: 32
- Package Quantity: 1
$7.38 $4.69
1
Add To Cart

12633927
SPRING, Engine Valve, SPRING,VALVE
- Require Quantity: 16
- Package Quantity: 1
- Replaced By: 12729741
$7.50 $4.76
1
Add To Cart

12636187
VALVE, Exhaust, VALVE,EXHAUST
- Require Quantity: 08
- Package Quantity: 1
$15.94 $10.12
1
Add To Cart

12636188
VALVE, Intake, VALVE,INTAKE
- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12734017
$12.55 $7.98
1
Add To Cart

ARM, Engine Valve Rocker
12636189
ARM, INTAKE VALVE ROCKER(INCLUDES 3,4,6)
Require Quantity: 04
Package Quantity: 1
$26.39 $16.77
1
Add To Cart
12636190
ARM, EXHAUST VALVE ROCKER(INCLUDES 3,4,6)
- Require Quantity: 04
- Package Quantity: 1
$26.39 $16.54
1
Add To Cart

12636193
KEY, Valve Stem, KEY,VALVE STEM
- Require Quantity: 32
- Package Quantity: 1
$7.39 $4.69
1
Add To Cart

12636194
RETAINER, Engine Valve, RETAINER,VALVE SPRING
- Require Quantity: 16
- Package Quantity: 1
$4.80 $3.06
1
Add To Cart

12638258
BRIDGE, Valve Stem, BRIDGE,VALVE STEM
- Require Quantity: 16
- Package Quantity: 1
$25.00 $13.05
1
Add To Cart

12648424
SHAFT, Engine Valve Rocker Arm, SHAFT,VALVE ROCKER ARM
$37.90 $24.10
1
Add To Cart

SUPPORT, Engine Valve Rocker Arm Shaft
12648425
SUPPORT, VALVE ROCKER ARM SHAFT(END SUPPORT)
Require Quantity: 02
Package Quantity: 1
$7.62 $4.84
1
Add To Cart
12648426
SUPPORT, VALVE ROCKER ARM SHAFT(INTERMEDIATE SUPPORT)
- Require Quantity: 02
- Package Quantity: 1
$10.58 $6.71
1
Add To Cart
12648427
SUPPORT, VALVE ROCKER ARM SHAFT(CENTER SUPPORT)
$10.58 $6.71
1
Add To Cart

12648429
SPRING, Engine Valve Rocker Arm Shaft, SPRING,VALVE ROCKER ARM SHAFT
- Require Quantity: 04
- Package Quantity: 1
$7.44 $4.76
1
Add To Cart

12702633
HEAD, Engine Cylinder, HEAD,CYL(MACHINING)(INCLUDES 20,24,25,28)
- Require Quantity: 02
- Package Quantity: 1
$344.76 $218.17
1
Add To Cart

12646218
GUIDE, Intake and Exhaust Valve Stem, GUIDE,VALVE(PART OF 1)
- Require Quantity: 16
- Package Quantity: 1

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2021 GMC Sierra 2500 HD 2WD parts. Parts like Engine Assembly-Cylinder Head & Valvetrain Detail are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 8 Cyl 6.6L, 8 Cyl 6.6L Diesel. Model Code: CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 8' BOX 3/4 TON.