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

My Vehicle Change Vehicle

2021 GMC Yukon XL 2WD

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

My Vehicle Change Vehicle

2021 GMC Yukon XL 2WD

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

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Frames, Springs, Shocks, Bumpers

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Front End Sheet Metal, Heater

Fuel System, Exhaust, Emission System

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Starter, Generator, Ignition, Electrical, Lamps

Transmission - Automatic

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Recommended

Part No. & Part Description

Price

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
MSRP: $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
MSRP: $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)
MSRP: $23.51
$13.40
6
Add To Cart

12378521
SEALANT, Maintenance Products, SEALANT,ROOM TEMPERATURE VULCANIZING ENGINE SILICONE 5.3OZ CART(PART OF 24)
MSRP: $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
MSRP: $7.19
$4.57
1
Add To Cart

12619828
ROD, Engine Valve Push Rod, ROD,VALVE PUSH
- Require Quantity:
  16
- Package Quantity:
  1
MSRP: $5.07
$3.06
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
MSRP: $20.08
$12.14
1
Add To Cart
55515640
ARM, VALVE ROCKER(PART OF 25)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  24
- Package Quantity:
  1
MSRP: $3.00
$1.91
1
Add To Cart

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
MSRP: $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
MSRP: $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
MSRP: $107.40
$64.89
1
Add To Cart
55512642
GASKET, CYL HEAD(MAXIMUM THICKNESS 1.50 MM)
- Fitting Vehicle Options:
  CK1(06)(LM2)
- Replaced By:
  40009081
MSRP: $110.03
$66.48
1
Add To Cart

12667313
CAP, Engine Oil Filler, CAP,OIL FILLER(INCLUDES 36)(STAMPED DEXOS & 0W-20)(SERVICES 12694539)
MSRP: $13.39
$7.47
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
MSRP: $23.50
$13.10
1
Add To Cart
12700664
TUBE, PCV FRESH AIR
- Location:
  Passenger Side
- Fitting Vehicle Options:
  CK1(06)(L84)(EXC 9C1)
MSRP: $20.88
$13.27
1
Add To Cart
12708520
TUBE, PCV FOUL AIR
- Location:
  Driver Side
- Fitting Vehicle Options:
  CK1(06)(L84,9C1)
MSRP: $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
MSRP: $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
MSRP: $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
MSRP: $5.03
$3.03
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
MSRP: $5.03
$3.03
10
Add To Cart
90529533
KEY, VALVE STEM(PART OF 25)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  48
- Package Quantity:
  5
MSRP: $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:
1
MSRP: $7.20
$4.35
1
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:
  1
MSRP: $7.88
$4.76
1
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
MSRP: $4.01
$2.54
1
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
MSRP: $5.33
$2.67
5
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
MSRP: $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
MSRP: $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
MSRP: $7.20
$4.35
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
MSRP: $7.20
$4.57
1
Add To Cart
24229149
PIN, CYL HEAD LOCATING(0.685)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  02
- Package Quantity:
  1
MSRP: $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
MSRP: $9.34
$5.94
1
Add To Cart
55490237
VALVE, INTAKE(PART OF 25)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  12
- Package Quantity:
  1
MSRP: $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
MSRP: $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
MSRP: $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)
MSRP: $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
MSRP: $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
MSRP: $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
MSRP: $154.17
$73.38
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
MSRP: $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
MSRP: $106.54
$61.21
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
MSRP: $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)
MSRP: $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
MSRP: $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
MSRP: $5.54
$3.18
Out of Stock

PLUG, Engine Cylinder Head
11546664
PLUG, CYL HEAD CORE HOLE(PART OF 25)(M10X1.5X16.3)(0.253)
Require Quantity:
03
Package Quantity:
1
MSRP: $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
MSRP: $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
MSRP: $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
MSRP: $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
MSRP: $4.79
$2.76
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
MSRP: $4.79
$2.76
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
MSRP: $2.06
$1.30
1
Add To Cart
11611976
BOLT, CYL HEAD(M12X1.75X102)(SINGLE USE)
- Fitting Vehicle Options:
  CK1(06)(L84,L87)
MSRP: $4.19
$2.41
1
Add To Cart
11611976
BOLT, CYL HEAD(SINGLE USE)(M12X1.75X102)(SINGLE USE)
- Fitting Vehicle Options:
  CK1(06)(L84,L87)
MSRP: $4.19
$2.41
1
Add To Cart
55494557
BOLT, CYL HEAD(M14X2X208)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  14
- Package Quantity:
  1
MSRP: $3.41
$2.16
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
MSRP: $7.52
$4.77
1
Add To Cart

12664915
GUIDE, Engine Valve Push Rod Cover, GUIDE,VALVE LIFTER
- Require Quantity:
  04
- Package Quantity:
  1
MSRP: $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
MSRP: $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
MSRP: $31.37
$16.62
1
Add To Cart

HEAD, Engine Cylinder
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
MSRP: $794.63
$502.06
1
Add To Cart
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
MSRP: $959.10
$604.08
1
Add To Cart

SPRING, Engine Valve
12677931
SPRING, VALVE(PART OF 15)
Fitting Vehicle Options:
CK1(06)(L84)
Require Quantity:
16
Package Quantity:
1
Replaced By:
12728733
MSRP: $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
MSRP: $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
MSRP: $11.73
$7.08
1
Add To Cart
55490236
VALVE, EXHAUST(PART OF 25)
- Fitting Vehicle Options:
  CK1(06)(LM2,MQC)
- Require Quantity:
  12
- Package Quantity:
  1
MSRP: $9.77
$6.21
1
Add To Cart

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

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

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

55488248
SENSOR, Computer Control Sensors, SENSOR,ENGINE METAL TEMPERATURE(HEAT MTS)(MATING CONNECT USE 19371199)
MSRP: $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
MSRP: $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
MSRP: $0.11
$0.07
1
Add To Cart

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

CAMSHAFT, Engine

55508605
CAMSHAFT, EXHAUST
MSRP: $128.69
$81.81
1
Add To Cart
55508606
CAMSHAFT, INTAKE
MSRP: $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
MSRP: $134.76
$85.67
1
Add To Cart

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

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

55569933
ADJUSTER, Engine Valve Lifter, ADJUSTER,HYDRAULIC VALVE LASH(PART OF 25)
- Require Quantity:
  24
- Package Quantity:
  1
MSRP: $5.74
$3.65

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.