Engine Assembly-Cylinder Head & Related Parts fit your 2021 GMC Yukon XL 2WD

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2021 GMC Yukon XL 2WD

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Vehicle Options

10-Speed Automatic Transmission, 10L80; Yukon XL/Escalade ESV 1/2 Ton

Vehicle Options

10-Speed Automatic Transmission, 10L80; Yukon XL/Escalade ESV 1/2 Ton

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Frames, Springs, Shocks, Bumpers

Front Axle, Front Suspension, Steering

Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

Maintenance Parts, Fluids, Capacities, Electrical Connectors

Rear Body Structure, Moldings & Trim, Cargo Stowage

Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

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Part No. & Part Description

Price & Qty.

Part No. &
Part Description

12622441
SPARK PLUG, Spark Ignition, SPARK PLUG,GASOLINE ENGINE IGNITION(SPARK PLUG IS PRE-GAPPED,DO NOT CHANGE)(IRIDIUM)
- Require Quantity: 08
- Package Quantity: 1
$15.80 $8.81
1
Add To Cart

12680871
LIFTER, Engine Valve Lifter, LIFTER,VALVE(8 LIFTERS PER CYLINDER HEAD)(ACTIVE)
- Require Quantity: 16
- Package Quantity: 1
- Replaced By: 12698946
$79.72 $45.81
1
Add To Cart

12378521
SEALER, Engine Camshaft & Valve Rocker Cover, SEALER,VALVE ROCKER ARM COVER(PART OF 24)(5.3 OUNCE CARTRIDGE)(ROOM TEMPERATURE VULCANIZING TB 1217)(FOR USA)(8.800)
$23.51 $13.40
6
Add To Cart

12378521
SEALANT, Maintenance Products, SEALANT,ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(PART OF 24)
$23.51 $13.40
6
Add To Cart

12619787
GASKET, Engine Camshaft & Valve Rocker Cover, GASKET,VALVE ROCKER ARM COVER(SINGLE USE)(PART OF 24)
- Require Quantity: 02
- Package Quantity: 1
$7.19 $4.57
1
Add To Cart

12619828
ROD, Engine Valve Push Rod, ROD,VALVE PUSH
- Require Quantity: 16
- Package Quantity: 1
$8.71 $3.68
1
Add To Cart

ARM, Engine Valve Rocker
12619829
ARM, VALVE ROCKER(INCLUDES 2)
Fitting Vehicle Options: CK1(06)(L84,L87)
Require Quantity: 16
Package Quantity: 1
$24.10 $14.56
1
Add To Cart
55515640
ARM, VALVE ROCKER(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 24
- Package Quantity: 1
$3.00 $1.91

GASKET, Engine Cylinder Head
12622325
GASKET, CYL HEAD(SINGLE USE)(NEW HEAD BLTS REQ'D WHEN HEAD IS REMOVED)
Fitting Vehicle Options: CK1(06)(L84)
Require Quantity: 02
Package Quantity: 1
$82.17 $55.08
1
Add To Cart
55512640
GASKET, CYL HEAD(MINIMUM THICKNESS 1.30 MM)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Replaced By: 40009079
$114.92 $69.43
1
Add To Cart
55512641
GASKET, CYL HEAD(NOMINAL THICKNESS 1.40 MM)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Replaced By: 40009080
$49.33 $29.81
1
Add To Cart
55512642
GASKET, CYL HEAD(MAXIMUM THICKNESS 1.50 MM)
- Fitting Vehicle Options: CK1(06)(LM2)
- Replaced By: 40009081
$110.03 $66.48
1
Add To Cart

12667313
CAP, Engine Oil Filler, CAP,OIL FILLER(INCLUDES 36)(STAMPED DEXOS & 0W-20)(SERVICES 12694539)
$13.39 $7.37
1
Add To Cart

TUBE, Engine Crankcase Ventilation
12664931
TUBE, PCV FOUL AIR(10MM CONNECTOR)
Location: Driver Side
Fitting Vehicle Options: CK1(06)(L84)
Replaced By: 12729666
$23.50 $13.10
1
Add To Cart
12700664
TUBE, PCV FRESH AIR
- Location: Passenger Side
- Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
$20.88 $13.27
1
Add To Cart
12708520
TUBE, PCV FOUL AIR
- Location: Driver Side
- Fitting Vehicle Options: CK1(06)(L84,9C1)
$10.90 $6.08
1
Add To Cart
12708521
TUBE, PCV FRESH AIR
- Location: Passenger Side
- Fitting Vehicle Options: CK1(06)(L84,9C1)
- Replaced By: 12728740
$14.80 $8.25
1
Add To Cart
12710307
TUBE, PCV FOUL AIR(5/8" CONNECTOR)
- Location: Driver Side
- Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
- Replaced By: 12729666
$23.50 $13.10
1
Add To Cart

10166345
KEY, Engine Valve Spring Cap, KEY,VALVE STEM(PART OF 15)
- Require Quantity: 16
- Package Quantity: 10
$5.03 $3.19
10
Add To Cart

KEY, Valve Stem
10166345
KEY, VALVE STEM(PART OF 15)
Fitting Vehicle Options: CK1(06)(L84,L87)
Require Quantity: 16
Package Quantity: 10
$5.03 $3.19
10
Add To Cart
90529533
KEY, VALVE STEM(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 48
- Package Quantity: 5
$7.53 $4.55
5
Add To Cart

SEAL, Engine Valve
12689006
SEAL, EXHAUST VALVE STEM OIL(SINGLE USE)(PART OF 15)
Fitting Vehicle Options: CK1(06)(L84,L87)
Require Quantity: 08
Package Quantity: 5
$7.20 $4.57
5
Add To Cart
12689007
SEAL, INTAKE VALVE STEM OIL(SINGLE USE)(PART OF 15)
- Fitting Vehicle Options: CK1(06)(L84,L87)
- Require Quantity: 08
- Package Quantity: 5
$7.88 $5.01
5
Add To Cart
55484799
SEAL, VALVE STEM OIL(SINGLE USE)(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2)
- Require Quantity: 24
- Package Quantity: 1
$4.01 $2.54
1
Add To Cart

24100002
SEAL, Engine Crankcase, SEAL,OIL FILLER TUBE(O RING)(SINGLE USE)(PART OF 35)(27.94MM INNER DIAMETER)(SIZE #320)
- Require Quantity: 02
- Package Quantity: 5
$5.33 $2.67
5
Add To Cart

24100002
SEAL, Engine Oil Filler, SEAL,OIL FILLER CAP(O RING)(PART OF 37)(27.94MM INNER DIAMETER)(SIZE #320)(1.745)
- Require Quantity: 02
- Package Quantity: 5
$5.33 $2.67
5
Add To Cart

11518792
RETAINER, Engine Camshaft & Balance Shaft Hole, RETAINER,CAMSHAFT COVER BOLT(PART OF 24)(7MM LONG)(FOR M6 BOLT)(1.428)
- Require Quantity: 10
- Package Quantity: 1
$7.03 $4.46
1
Add To Cart

11611383
BOLT, Engine Valve Lifter, BOLT,VALVE LIFTER GUIDE(M6X1.0X20,17 THREAD,8.8)
- Require Quantity: 04
- Package Quantity: 1
$9.54 $5.76
1
Add To Cart

PIN, Engine Cylinder Head
12570326
PIN, CYL HEAD LOCATING
Fitting Vehicle Options: CK1(06)(L84,L87), CK1(L84)
Require Quantity: 04
Package Quantity: 1
$7.20 $4.35
1
Add To Cart
24229149
PIN, CYL HEAD LOCATING(0.685)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 02
- Package Quantity: 1
$8.74 $5.55
1
Add To Cart

VALVE, Intake
12619825
VALVE, INTAKE(PART OF 15)
Fitting Vehicle Options: CK1(06)(L84)
Require Quantity: 08
Package Quantity: 1
$9.66 $6.14
1
Add To Cart
55490237
VALVE, INTAKE(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 12
- Package Quantity: 1
$6.11 $3.88
1
Add To Cart

INSULATOR, Engine Camshaft & Valve Rocker Cover
12703336
INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
Location: Passenger Side
Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
Replaced By: 12735918
$43.26 $26.14
1
Add To Cart
12674122
INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
- Location: Driver Side
- Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
- Replaced By: 12703337
$51.18 $32.52
1
Add To Cart
12713278
INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
- Location: Passenger Side
- Fitting Vehicle Options: CK1(06)(L84,9C1)
$92.18 $58.59
1
Add To Cart

11547061
BOLT, Engine Camshaft & Valve Rocker Cover, BOLT,VALVE ROCKER ARM COVER(PART OF 24)(M6X1X30)(HEX FLANGED HEAD)(DISHED HEAD)(0.206)
- Require Quantity: 10
- Package Quantity: 1
$7.38 $4.45
1
Add To Cart

11547061
BOLT, Ignition Coil Mounting, BOLT,IGNITION COIL(M6X1X30)(HEX FLANGED HEAD)(DISHED HEAD)(0.206)
- Require Quantity: 08
- Package Quantity: 1
$7.38 $4.45
1
Add To Cart

12708496
COIL, Ignition Coil, COIL,IGNITION(SERVICES COILS MARKED DELPHI)(FOR MELCO COIL SEE 12669351)
- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12726023
$154.17 $90.64
1
Add To Cart

COVER, Engine Valve Rocker & Camshaft
12659679
COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
Location: Passenger Side
Fitting Vehicle Options: CK1(06)(L84,MQC,9C1)
Replaced By: 12713842
$145.74 $92.65
1
Add To Cart
12665407
COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
- Location: Passenger Side
- Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
- Replaced By: 12727455
$106.54 $67.70
1
Add To Cart
12689124
COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
- Location: Driver Side
- Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
- Replaced By: 12723317
$107.31 $61.66
1
Add To Cart
12708191
COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
- Location: Driver Side
- Fitting Vehicle Options: CK1(06)(L84,MQC,9C1)
$107.04 $68.05
1
Add To Cart

10042521
NUT, Engine Fuel Intake Manifold, NUT,UPPER INTAKE MANIFOLD COVER(PART OF 1)(7.831)
- Require Quantity: 04
- Package Quantity: 1
$9.16 $5.82
1
Add To Cart

10166344
CAP, Engine Valve Spring, CAP,VALVE SPRING(PART OF 15)(EXHAUST)
- Require Quantity: 16
- Package Quantity: 1
$12.60
1
Add To Cart

PLUG, Engine Cylinder Head
11546664
PLUG, CYL HEAD CORE HOLE(PART OF 25)(M10X1.5X16.3)(0.253)
Require Quantity: 03
Package Quantity: 1
$4.03 $2.56
1
Add To Cart
11546667
PLUG, CYL HEAD CORE HOLE(PART OF 25)(M16X1.5X16.25)(0.034)
- Require Quantity: 02
- Package Quantity: 1
$7.03 $4.46
1
Add To Cart
11570754
PLUG, CYL HEAD CORE HOLE(PART OF 25)(11.2 OUTSIDE DIAMETER 6.6 THICK)(CUP)
- Require Quantity: 02
- Package Quantity: 1
$5.07 $3.22
1
Add To Cart
11602943
PLUG, CYL HEAD CORE HOLE(PART OF 25)(M12X1.75X14,6 INTAKE)
- Require Quantity: 04
- Package Quantity: 1
$4.54 $2.89

BOLT, Engine Cylinder Head
11546959
BOLT, CYL HEAD(M12X1.75X134)(SINGLE USE)
Fitting Vehicle Options: CK1(06)(L84,L87)
Require Quantity: 19
Package Quantity: 1
$6.81 $3.26
1
Add To Cart
11546959
BOLT, CYL HEAD(SINGLE USE)(M12X1.75X134)(SINGLE USE)
- Fitting Vehicle Options: CK1(06)(L84,L87)
- Require Quantity: 19
- Package Quantity: 1
$6.81 $3.26
1
Add To Cart
11547739
BOLT, CYL HEAD(M6X1X35,14.2OD)(1.652)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 03
- Package Quantity: 1
$2.06 $1.30
1
Add To Cart
11611976
BOLT, CYL HEAD(M12X1.75X102)(SINGLE USE)
- Fitting Vehicle Options: CK1(06)(L84,L87)
$12.60
1
Add To Cart
11611976
BOLT, CYL HEAD(SINGLE USE)(M12X1.75X102)(SINGLE USE)
- Fitting Vehicle Options: CK1(06)(L84,L87)
$12.60
1
Add To Cart
55494557
BOLT, CYL HEAD(M14X2X208)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 14
- Package Quantity: 1
$4.17 $2.64
1
Add To Cart

12594875
GROMMET, Engine Fuel Intake Manifold, GROMMET,UPPER INTAKE MANIFOLD SIGHT SHIELD(PART OF 1)(TOP)
- Require Quantity: 06
- Package Quantity: 1
$7.52 $4.54
1
Add To Cart

12664915
GUIDE, Engine Valve Push Rod Cover, GUIDE,VALVE LIFTER
- Require Quantity: 04
- Package Quantity: 1
$2.40 $1.44
1
Add To Cart

12668731
PIN, Engine Camshaft & Valve Rocker Cover, PIN,CAMSHAFT HOUSING COVER LOCATING(PART OF 25,35)(6MM DIAMETER)(PINION-6 OUTSIDE DIAMETER,17 LONG)(0.137)
- Require Quantity: 02
- Package Quantity: 1
$4.16 $2.64
1
Add To Cart

12670293
WIRE, Spark Plug or Coil, WIRE,SPARK PLUG(SERVICED BY 12633447)
- Require Quantity: 08
- Package Quantity: 1
- Replaced By: 12716289
$31.37 $16.62
1
Add To Cart

HEAD, Engine Cylinder
55514596
HEAD, CYL (W/VLVS)(INCLUDES 2-4,7-13,16,17,20-22,24,26,30-33,35,36)
Fitting Vehicle Options: CK1(06)(LM2,MQC)
Replaced By: 40009167
$959.10 $604.08
1
Add To Cart
12677841
HEAD, CYL (W/VLVS)(INCLUDES 4-7,9,13,14)
- Fitting Vehicle Options: CK1(06)(L84)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 12699616
$794.63 $502.06

SPRING, Engine Valve
12677931
SPRING, VALVE(PART OF 15)
Fitting Vehicle Options: CK1(06)(L84)
Require Quantity: 16
Package Quantity: 1
Replaced By: 12728733
$7.20 $4.35
1
Add To Cart
55484798
SPRING, VALVE(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 24
- Package Quantity: 1
$8.60 $5.46
1
Add To Cart

VALVE, Exhaust
12678745
VALVE, EXHAUST(PART OF 15)
Fitting Vehicle Options: CK1(06)(L84)
Require Quantity: 08
Package Quantity: 1
$12.26 $7.40
1
Add To Cart
55490236
VALVE, EXHAUST(PART OF 25)
- Fitting Vehicle Options: CK1(06)(LM2,MQC)
- Require Quantity: 12
- Package Quantity: 1
$9.77 $6.21
1
Add To Cart

12691785
TUBE, Engine Crankcase, TUBE,OIL FILLER(INCLUDES 34)
$16.75 $10.65
1
Add To Cart

12698173
SENSOR, Distributor (also Knock Sensor), SENSOR,CAMSHAFT POSITION(INCLUDES 29)
- Replaced By: 12733487
$21.70 $11.50
1
Add To Cart

55484797
RETAINER, Engine Valve, RETAINER,VALVE SPRING(PART OF 25)
- Require Quantity: 24
- Package Quantity: 1
$3.90 $2.48
1
Add To Cart

55488248
SENSOR, Computer Control Sensors, SENSOR,ENGINE METAL TEMPERATURE(HEAT MTS)(MATING CONNECT USE 19371199)
$31.60 $17.62
1
Add To Cart

55490850
BOLT, Engine Camshaft, BOLT,CAMSHAFT HOUSING(M5X0.8X37)(BOLT-HEXFLANGE)(0.539)
- Require Quantity: 16
- Package Quantity: 1
$0.11 $0.07
1
Add To Cart

55490850
BOLT, Engine Camshaft & Balance Shaft Front, BOLT,CAMSHAFT BEARING CAP(PART OF 25,35)(M5X0.8X37)(BOLT-HEXFLANGE)
- Require Quantity: 28
- Package Quantity: 1
$0.11 $0.07
1
Add To Cart

55506604
GLOW PLUG, Spark Ignition, GLOW PLUG
- Require Quantity: 06
- Package Quantity: 1
$42.09 $23.46
1
Add To Cart

CAMSHAFT, Engine

55508605
CAMSHAFT, EXHAUST
$128.69 $81.81
1
Add To Cart
55508606
CAMSHAFT, INTAKE
$131.69 $83.71
1
Add To Cart

55509814
HOUSING, Engine Valve Rocker & Camshaft, HOUSING,CAMSHAFT (W/COVER)(PART OF 25)(INCLUDES 2-4,7,36)
- Replaced By: 40009155
$134.76 $85.67
1
Add To Cart

55569933
ADJUSTER, Engine Valve Lifter, ADJUSTER,HYDRAULIC VALVE LASH(PART OF 25)
- Require Quantity: 24
- Package Quantity: 1
$4.69 $2.94
1
Add To Cart

11548165
BOLT, Distributor (also Knock Sensor), BOLT,CAMSHAFT POSITION SENSOR(M5X0.8X20)(1.609)
$4.24 $2.70

11609652
RETAINER, Engine Camshaft & Valve Rocker Cover, RETAINER,VALVE ROCKER ARM COVER INSULATOR(M6X1X17 W/ 8X15 BALL)(3.275)

Genuine GM Parts, the Right Choice

GMPartsGiant.com offers the wholesale prices for genuine 2021 GMC Yukon XL 2WD parts. Parts like Engine Assembly-Cylinder Head & Related Parts are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 3.0L Diesel, 8 Cyl 5.3L. Model Code: 1/2 TON.