Engine Assembly-Cylinder Head & Related Parts fit your 2021 GMC Yukon XL 4WD

Currently shopping for
2021 GMC Yukon XL 4WD
Change Vehicle
Vehicle Options
10-Speed Automatic Transmission, 10L80, ATSS, ETRS, CPA, GEN 2; Yukon XL/Denali XL/Escalade ESV
Vehicle Options
10-Speed Automatic Transmission, 10L80, ATSS, ETRS, CPA, GEN 2; Yukon XL/Denali XL/Escalade ESV
Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transfer Case
Transmission - Automatic
Categories Close X

Currently selected

Other Categories

Body Mounting, Air Conditioning, Audio/Entertainment
Brakes
Brakes, Rear Axle, Propeller Shaft, Wheels, Tires
Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers
Cooling System, Grille, Oil System
Frames, Springs, Shocks, Bumpers, Fascias
Front Axle, Front Suspension, Steering
Front End Sheet Metal, Heater
Fuel System, Exhaust, Emission System
Rear Body Structure, Moldings & Trim, Cargo Stowage
Starter, Generator, Ignition, Electrical, Lamps
Transfer Case
Transmission - Automatic
Sort by:
Recommended
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
  • GASKET, Engine Camshaft & Valve Rocker Cover
    12619787
    GASKET, VALVE ROCKER ARM COVER(SINGLE USE)(PART OF 24)(*KIT1)
    • Require Quantity: 02
    • Package Quantity: 1
    $7.38 $4.69
    1
    Add To Cart
  • 12619787
    GASKET, VALVE ROCKER ARM COVER(SINGLE USE)(PART OF 24)
    • Require Quantity: 02
    • Package Quantity: 1
    $7.38 $4.69
    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
    $24.75 $14.96
    1
    Add To Cart
  • 55515640
    ARM, VALVE ROCKER
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    • Require Quantity: 24
    • Package Quantity: 1
    $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)(*KIT1)
    • Fitting Vehicle Options: CK1(06)(L84)
    • Require Quantity: 02
    • Package Quantity: 1
    $84.38 $56.56
    1
    Add To Cart
  • 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
    $84.38 $56.56
    1
    Add To Cart
  • GMC 40009079
    40009079
    GASKET, CYL HEAD(MINIMUM THICKNESS 1.30 MM)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    $118.03 $75.01
    1
    Add To Cart
  • 40009080
    GASKET, CYL HEAD(NOMINAL THICKNESS 1.40 MM)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    $49.33 $31.35
    1
    Add To Cart
  • 40009081
    GASKET, CYL HEAD(MAXIMUM THICKNESS 1.50 MM)
    • Fitting Vehicle Options: CK1(06)(LM2)
    $112.99 $71.82
    1
    Add To Cart
  • CAP, Engine Oil Filler
    12667313
    CAP, OIL FILLER(INCLUDES 36)(STAMPED DEXOS & 0W-20)(SERVICES 12694539)
    • Fitting Vehicle Options: CK1(06)(L84,L87)
    $13.39 $7.47
    1
    Add To Cart
  • GMC 12669792
    12669792
    CAP, OIL FILLER(INCLUDES 36)(DEXOS 0W40 LABEL)
    • Fitting Vehicle Options: CK1(06)(L84,MQC,9C1)
    $14.75 $9.23
    1
    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
    $7.39 $4.69
    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
    $8.09 $5.14
    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
    $4.12 $2.61
    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
    $7.39 $4.69
    1
    Add To Cart
  • GMC 24229149
    24229149
    PIN, CYL HEAD LOCATING(0.685)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    • Require Quantity: 02
    • Package Quantity: 1
    $8.97 $5.70
    1
    Add To Cart
  • VALVE, Intake
    GMC 12619825
    12619825
    VALVE, INTAKE(PART OF 15)
    • Fitting Vehicle Options: CK1(L84)
    • Require Quantity: 08
    • Package Quantity: 1
    $9.92 $6.31
    1
    Add To Cart
  • 55490237
    VALVE, INTAKE(PART OF 25)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    • Require Quantity: 12
    • Package Quantity: 1
    $6.27 $3.98
    1
    Add To Cart
  • GMC 12708496
    12708496
    COIL, Ignition Coil, COIL,IGNITION(ROUND SHAPE)
    • Require Quantity: 08
    • Package Quantity: 1
    • Replaced By: 12726023
    $158.33 $75.36
    1
    Add To Cart
  • 90529533
    KEY, Valve Stem, KEY,VALVE STEM(PART OF 25)
    • Require Quantity: 48
    • Package Quantity: 5
    $7.74 $4.67
    5
    Add To Cart
  • NUT, Engine Fuel Intake Manifold
    10042521
    NUT, UPPER INTAKE MANIFOLD COVER(PART OF 1)(7.831)
    • Fitting Vehicle Options: CK1(06)(L84,L87)
    • Require Quantity: 04
    • Package Quantity: 1
    $9.41 $5.98
    1
    Add To Cart
  • 11602624
    NUT, INTAKE MANIFOLD INSULATOR(PART OF 1)(33 MM OUTSIDE DIAMETER)(3.616)
    • Fitting Vehicle Options: CK1(06)(L84)
    • Require Quantity: 04
    • Package Quantity: 1
    $0.23 $0.16
    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
  • GMC 11546667
    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(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
    $2.11 $1.34
    1
    Add To Cart
  • 11611976
    BOLT, CYL HEAD(SINGLE USE)(M12X1.75X102)(SINGLE USE)
    • Fitting Vehicle Options: CK1(06)(L84,L87)
    $5.33 $3.07
    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
  • VALVE, Exhaust
    12678745
    VALVE, EXHAUST(PART OF 15)
    • Fitting Vehicle Options: CK1(06)(L84)
    • Require Quantity: 08
    • Package Quantity: 1
    $12.59 $7.60
    1
    Add To Cart
  • 55490236
    VALVE, EXHAUST(PART OF 25)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    • Require Quantity: 12
    • Package Quantity: 1
    $10.03 $6.38
    1
    Add To Cart
  • INSULATOR, Engine Camshaft & Valve Rocker Cover
    GMC 12693981
    12693981
    INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(06)(L84,9C1)
    $101.14 $64.28
    1
    Add To Cart
  • GMC 12703337
    12703337
    INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
    $51.18 $32.52
    1
    Add To Cart
  • GMC 12713278
    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
  • 12735918
    INSULATOR, VALVE ROCKER ARM COVER(INCLUDES 32,33)
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
    $43.26 $26.14
    1
    Add To Cart
  • HEAD, Engine Cylinder
    12698289
    HEAD, CYL (W/VLVS)(INCLUDES 4-7,9,13,14)
    • Fitting Vehicle Options: CK1(L84,AMK,MQB,MQC,MQE)(EXC 9C1)
    • Require Quantity: 02
    • Package Quantity: 1
    $379.92 $240.38
    1
    Add To Cart
  • 40009167
    HEAD, CYL (W/VLVS)(INCLUDES 2-4,7,8,10-13,16,17,20-22,24,26,30,31,33,35,36)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    $959.10 $604.08
    1
    Add To Cart
  • 12699616
    HEAD, CYL (W/VLVS)(INCLUDES 4-7,9,13,14)
    • Fitting Vehicle Options: CK1(L84)(EXC AMK)
    • Require Quantity: 02
    • Package Quantity: 1
    $816.09 $515.58
  • TUBE, Engine Crankcase Ventilation
    GMC 12700664
    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(L84,9C1)
    $10.90 $6.08
    1
    Add To Cart
  • GMC 12708521
    12708521
    TUBE, PCV FRESH AIR
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1(06)(L84,9C1)
    • Replaced By: 12728740
    $15.20 $8.47
    1
    Add To Cart
  • 12729666
    TUBE, PCV FOUL AIR(10MM CONNECTOR)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
    $24.14 $13.46
    1
    Add To Cart
  • COVER, Engine Valve Rocker & Camshaft
    GMC 12708191
    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
  • 12713810
    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
  • 12713842
    COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1(06)(L84,MQC,9C1)
    $145.74 $92.65
    1
    Add To Cart
  • GMC 12723317
    12723317
    COVER, VALVE ROCKER ARM(INCLUDES 23,25,27,28)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(06)(L84)(EXC 9C1)
    $107.31 $61.66
    1
    Add To Cart
  • SPRING, Engine Valve
    12728733
    SPRING, VALVE(PART OF 15)
    • Fitting Vehicle Options: CK1(06)(L84)
    • Require Quantity: 16
    • Package Quantity: 1
    $7.39 $4.46
    1
    Add To Cart
  • 55484798
    SPRING, VALVE(PART OF 25)
    • Fitting Vehicle Options: CK1(06)(LM2,MQC)
    • Require Quantity: 24
    • Package Quantity: 1
    $8.83 $5.61
    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
  • GMC 55506604
    55506604
    GLOW PLUG, Spark Ignition, GLOW PLUG,(J22 INDICATOR GLOBAL B VEHS MUST BLACK ENAMEL SERVICE W/GLOBAL B GLOW PLUGS)(TO SERVICE GLOBAL B APPLICATIONS ONLY. MY23+ WILL BLACK ENAMEL GLOBAL B ONLY)
    • Require Quantity: 06
    • Package Quantity: 1
    $42.09 $23.46
    1
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2021 GMC Yukon XL 4WD 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: .