Engine Assembly-Cylinder Head & Related Parts fit your 1999 GMC Suburban K1500

Currently shopping for
1999 GMC Suburban K1500
Change Vehicle
Vehicle Options
Suburban 1/2 Ton
Vehicle Options
Suburban 1/2 Ton
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
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
Transfer Case
Transmission - Automatic
Transmission - Manual
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
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
Transfer Case
Transmission - Automatic
Transmission - Manual
Sort by:
Recommended
Part No. & Part Description
Price & Qty.
Part No. &
Part Description
  • SHIELD, Spark Plug Ignition Wire
    12551505
    SHIELD, SPARK PLUG WIRE(USED AT LH REAR & RH FRONT)(155MM LONG)
    • Require Quantity: 02
    • Package Quantity: 1
    $7.39 $4.69
    1
    Add To Cart
  • 10069945
    SHIELD, SPARK PLUG WIRE(USED AT LH FRONT & RH REAR)
    • Require Quantity: 02
    • Package Quantity: 1
    $30.42 $18.34
    1
    Add To Cart
  • GASKET, Engine Cylinder Head
    GMC 10105117
    10105117
    GASKET, CYL HEAD(*KIT1)
    • Fitting Vehicle Options: CK1,2,3(L31)
    • Require Quantity: 02
    • Package Quantity: 1
    $36.04 $28.65
    1
    Add To Cart
  • 10137488
    GASKET, CYL HEAD WATER JACKET COVER(CENTER HOLE 1.25")(*KIT1)(1.154)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 02
    • Package Quantity: 10
    $7.95 $4.80
    10
    Add To Cart
  • GMC 12556031
    12556031
    GASKET, CYL HEAD(USE ON RIGHT AND LIGHT SIDES)(*KIT1)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 02
    • Package Quantity: 1
    $56.58 $34.20
    1
    Add To Cart
  • 10105115
    GASKET, CYL HEAD(*KIT1)
    • Fitting Vehicle Options: CK1(L30)
    • Require Quantity: 02
    • Package Quantity: 1
    $55.55 $33.55
    1
    Add To Cart
  • BOLT, Engine Cylinder Head
    10168525
    BOLT, CYL HEAD(LONG)(7/16-14 X 3 51/64, 300M)
    • Fitting Vehicle Options: CK1,2,3(L31), CK1(L30)
    • Require Quantity: 14
    • Package Quantity: 15
    $3.91 $3.28
    15
    Add To Cart
  • 10168526
    BOLT, CYL HEAD(MEDIUM)(7/16-14 X 3 1/16, 300M)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 04
    • Package Quantity: 1
    $3.90 $3.11
    1
    Add To Cart
  • 10168527
    BOLT, CYL HEAD(7/16-14 X 1.62)
    • Fitting Vehicle Options: CK1(L30)
    • Require Quantity: 12
    • Package Quantity: 15
    $3.91 $3.28
    15
    Add To Cart
  • 10168527
    BOLT, CYL HEAD(7/16-14 X 1.62)
    • Fitting Vehicle Options: CK1,2,3(L31)
    • Require Quantity: 16
    • Package Quantity: 15
    $3.91 $3.28
    15
    Add To Cart
  • GMC 14077193
    14077193
    BOLT, CYL HEAD(M12X.75X97,26.5THD)(0.056)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 34
    • Package Quantity: 1
    $7.97 $4.81
    1
    Add To Cart
  • VALVE, Intake
    10241743
    VALVE, INTAKE(STD)
    • Fitting Vehicle Options: CK1,2,3(L31)
    • Require Quantity: 08
    • Package Quantity: 1
    $30.93 $18.68
    1
    Add To Cart
  • GMC 10244974
    10244974
    VALVE, INTAKE(STD)
    • Fitting Vehicle Options: CK1(L30)
    • Require Quantity: 08
    • Package Quantity: 1
    $11.86 $7.54
    1
    Add To Cart
  • GMC 14033927
    14033927
    VALVE, INTAKE(STD)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
    $27.58 $17.53
    1
    Add To Cart
  • GMC 14050658
    14050658
    VALVE, INTAKE(.089MM OVERSIZE)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 14050659
    14050659
    VALVE, INTAKE(.394MM OVERSIZE)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
  • VALVE, Exhaust
    GMC 10149663
    10149663
    VALVE, EXHAUST(STD)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
    $34.85 $21.06
    1
    Add To Cart
  • GMC 10154626
    10154626
    VALVE, EXHAUST(.089 OVERSIZE)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
    $50.98 $25.29
    1
    Add To Cart
  • GMC 12552289
    12552289
    VALVE, EXHAUST(STD)
    • Fitting Vehicle Options: CK1,2,3(L31,KL5)
    • Require Quantity: 08
    • Package Quantity: 1
    $69.49 $44.17
    1
    Add To Cart
  • 12550909
    VALVE, EXHAUST(STD)
    • Fitting Vehicle Options: CK1,2,3(L31)(EXC KL5), CK1(L30)
    • Require Quantity: 08
    • Package Quantity: 1
    • Replaced By: 19435238
    $35.28 $22.42
  • GMC 12550913
    12550913
    VALVE, EXHAUST(.0305 OVERSIZE)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 12551085
    12551085
    VALVE, EXHAUST(STD)
    • Fitting Vehicle Options: CK1,2,3(L31,NM8)(EXPORT)
    • Require Quantity: 08
    • Package Quantity: 1
  • ROD, Engine Valve Push Rod
    10241740
    ROD, VALVE PUSH(INCLUDES INSERT)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 16
    • Package Quantity: 1
    $22.69 $14.41
    1
    Add To Cart
  • GMC 23503994
    23503994
    ROD, VALVE PUSH
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 16
    • Package Quantity: 1
  • SENSOR, Coolant Temperature (Engine Unit)
    25037332
    SENSOR, ENGINE COOLANT TEMPERATURE GAGE(2 BLADE TERMINAL)(CAN BLACK ENAMEL USED AS 1 TERMINAL CONNECT)(3/8-18 THREAD)(3/8-18 THREAD)(MATING CONNECT W/LEADS USE 12126458)
    • Fitting Vehicle Options: CK1,2(06-16)(L65)
    $75.90 $36.56
    1
    Add To Cart
  • GMC 12556263
    12556263
    SENSOR, ENGINE COOLANT TEMPERATURE GAGE
    • Fitting Vehicle Options: CK1,2(06-16)(L30,L31)
  • LIFTER, Engine Valve Lifter
    GMC 17120735
    17120735
    LIFTER, VALVE(ROLLER)
    • Fitting Vehicle Options: CK1,2(06-16)(L31), CK1(06-16)(L30)
    • Require Quantity: 16
    • Package Quantity: 8
    $59.12 $37.58
    8
    Add To Cart
  • GMC 5234530
    5234530
    LIFTER, VALVE(STD, ROLLER)
    • Fitting Vehicle Options: CK1,2(06-16)(L65)
    • Require Quantity: 16
    • Package Quantity: 1
    $75.50 $45.61
    1
    Add To Cart
  • COVER, Engine Valve Rocker & Camshaft
    12564564
    COVER, VALVE ROCKER ARM
    • Location: Driver Side
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Replaced By: 19419224
    $130.23 $74.83
    1
    Add To Cart
  • 12555270
    COVER, VALVE ROCKER ARM
    • Location: Driver Side
    • Fitting Vehicle Options: CK1,2,3(L31), CK1(L30)
    $123.69 $77.55
    1
    Add To Cart
  • 12555271
    COVER, VALVE ROCKER ARM
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    $138.99 $88.33
    1
    Add To Cart
  • GMC 12564565
    12564565
    COVER, VALVE ROCKER ARM
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1,2,3(L65)
    $218.94 $132.28
    1
    Add To Cart
  • 12681665
    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
  • CAP, Engine Valve Spring
    14003974
    CAP, VALVE SPRING
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 16
    • Package Quantity: 1
    $5.15 $3.27
    1
    Add To Cart
  • GMC 10241744
    10241744
    CAP, VALVE SPRING
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 16
    • Package Quantity: 5
    $6.02 $3.82
    5
    Add To Cart
  • SUPPORT, Spark Plug Ignition Wire
    12554084
    SUPPORT, SPARK PLUG WIRE
    • Location: Passenger Side
    $8.42 $4.46
    1
    Add To Cart
  • 12554085
    SUPPORT, SPARK PLUG WIRE(FRONT)
    • Location: Driver Side
    $9.18 $4.87
    1
    Add To Cart
  • 12554210
    SUPPORT, SPARK PLUG WIRE(REAR)
    • Location: Driver Side
    $8.42 $4.69
    1
    Add To Cart
  • STUD, Engine Cylinder Head
    14033946
    STUD, CYL HEAD WATER JACKET COVER(M10X1.5X20/M10X1.5X30.5)(0.004)
    • Location: Driver Side
    • Require Quantity: 02
    • Package Quantity: 5
    $3.97 $0.87
    5
    Add To Cart
  • GMC 22532588
    22532588
    STUD, CYL HEAD WATER JACKET COVER(M10X1.5X30/M10X1.5X20)
    • Location: Passenger Side
  • MANIFOLD, Engine Exhaust Manifold
    GMC 12557828
    12557828
    MANIFOLD, EXHAUST(INCLUDES FITTING,SHIELD & PINION)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1,2,3(L31)(EXC K18), CK1,2(L30)
  • GMC 12554973
    12554973
    MANIFOLD, EXHAUST(INCLUDES 246)
    • Location: Passenger Side
    • Fitting Vehicle Options: CK1,2,3(L31)(EXC K18), CK1,2(L30)
  • GMC 12556039
    12556039
    MANIFOLD, EXHAUST(LESS SHIELD,FITTING,PINION)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(L31,M30,K18)
  • GMC 12556041
    12556041
    MANIFOLD, EXHAUST(INCLUDES SHIELD,FITTING,PINION)
    • Location: Driver Side
    • Fitting Vehicle Options: CK1(L31,M30,K18)
  • 10089648
    ARM KIT, Engine Valve Rocker, ARM KIT,VALVE ROCKER(W/BALL)(INCLUDES 205,206,208)(STD THREADS) (INCLUDES ARM, BALL & NUT)
    • Require Quantity: 16
    • Package Quantity: 1
    $41.87 $25.28
    1
    Add To Cart
  • SEAL, Engine Valve
    10212810
    SEAL, INTAKE VALVE STEM OIL(*KIT1)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 08
    • Package Quantity: 1
    $7.60 $4.83
    1
    Add To Cart
  • GMC 10214034
    10214034
    SEAL, VALVE STEM OIL(O-RING TYPE)(*KIT1)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 16
    • Package Quantity: 1
    $2.60 $1.57
    1
    Add To Cart
  • 12564852
    SEAL, EXHAUST VALVE STEM OIL
    • Fitting Vehicle Options: CK1,2,3(L31)
    • Require Quantity: 08
    • Package Quantity: 1
    $14.63 $13.05
    1
    Add To Cart
  • GMC 23502552
    23502552
    SEAL, EXHAUST VALVE STEM OIL(*KIT1)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
    $7.77 $2.63
    1
    Add To Cart
  • SPRING, Engine Valve
    GMC 10212811
    10212811
    SPRING, VALVE(W/O DAMPENER)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 16
    • Package Quantity: 1
    $19.48 $12.38
    1
    Add To Cart
  • GMC 14025512
    14025512
    SPRING, VALVE(W/DAMPENER)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 16
    • Package Quantity: 1
    $15.04 $9.08
    1
    Add To Cart
  • GASKET KIT, Engine Cylinder Head
    12456409
    GASKET KIT, CYL HEAD(STD)
    • Fitting Vehicle Options: CK1,2,3(L65)
    $277.01 $167.37
    1
    Add To Cart
  • 89017463
    GASKET KIT, CYL HEAD(INCLUDES 204,211,235)(INCLUDES INTAKE MANIFOLD GASKETS)
    • Fitting Vehicle Options: CK1,2,3(L31)
  • GMC 89017464
    89017464
    GASKET KIT, CYL HEAD(STD)(INCLUDES 204,211,235)(INCLUDES INTAKE MANIFOLD GASKETS)
    • Fitting Vehicle Options: CK1(L30)
  • HEAD, Engine Cylinder
    GMC 12528913
    12528913
    HEAD, CYL(W/HEAD)(LESS SEATS & ROCKER STUDS)
    • Fitting Vehicle Options: CK1,2,3(L31,M30,M50,NM8)(EXPORT)
    • Require Quantity: 02
    • Package Quantity: 1
    $692.98 $347.44
    1
    Add To Cart
  • GMC 12533542
    12533542
    HEAD, CYL(INCLUDES 227,231)(INCLUDES PRE-COMBUSTION CHAMBERS,PLUGS-{EXCEPT VALVES})
    • Fitting Vehicle Options: K1,2(06-16)(L65,MT1,NF2,RHD)(EXPORT)
    • Require Quantity: 02
    • Package Quantity: 1
    $2070.76 $1304.26
    1
    Add To Cart
  • GMC 12691727
    12691727
    HEAD, CYL
    • Fitting Vehicle Options: CK1,2(L31,M30,M50)
    • Require Quantity: 02
    • Package Quantity: 1
    $676.64 $560.77
    1
    Add To Cart
  • GMC 12691728
    12691728
    HEAD, CYL(COMPLETE HEAD ASM)
    • Fitting Vehicle Options: CK1,2(L31,M30,M50)
    • Require Quantity: 02
    • Package Quantity: 1
    $749.87 $621.45
    1
    Add To Cart
  • GMC 12533543
    12533543
    HEAD, CYL(INCLUDES 227,231)(NOTE BARE HEAD INCLUDES PRECHAMBERS)
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 02
    • Package Quantity: 1
  • GMC 12553893
    12553893
    HEAD, CYL(WITH VALVES)
    • Fitting Vehicle Options: CK1,2,3(L31,MT1,KL5)
    • Require Quantity: 02
    • Package Quantity: 1
  • GMC 12558057
    12558057
    HEAD, CYL(WITH VALVES)
    • Fitting Vehicle Options: CK1,2(L30)
    • Require Quantity: 02
    • Package Quantity: 1
  • GUIDE, Engine Valve Push Rod Cover
    12550002
    GUIDE, VALVE LIFTER
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 08
    • Package Quantity: 1
    $7.83 $4.97
    1
    Add To Cart
  • GMC 12560960
    12560960
    GUIDE, VALVE LIFTER
    • Fitting Vehicle Options: CK1,2,3(L65)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 14057296
    14057296
    RETAINER, RETAINER,VALVE ROCKER ARM SHAFT
    • Require Quantity: 08
    • Package Quantity: 1
    $13.05
    1
    Add To Cart
  • GMC 15320904
    15320904
    WIRE, Engine Wiring, WIRE,ENGINE WIRING HARNESS EXTENSION(USED AS A GLOW PLUG JUMPER)
    • Require Quantity: 03
    • Package Quantity: 1
    $82.38 $40.86
    1
    Add To Cart
  • GMC 23500832
    23500832
    STUD, STUD,ENGINE LIFT FRONT BRACKET(M10X1.5X58/M10X1.5X17)(OPTIONAL W/248)
    $5.96 $2.03
    1
    Add To Cart
  • STUD, Engine Valve Adjusting
    GMC 3814692
    3814692
    STUD, VALVE ROCKER ARM BALL(.003" OVERSIZE)
    • Fitting Vehicle Options: CK1,2,3(L31), CK1(L30)
    • Require Quantity: 16
    • Package Quantity: 1
    $7.05 $4.48
    1
    Add To Cart
  • GMC 3815892
    3815892
    STUD, VALVE ROCKER ARM BALL(.013" OVERSIZE)
    • Fitting Vehicle Options: CK1(L30), CK1,2,3(L31)
    • Require Quantity: 16
    • Package Quantity: 1
  • CHAMBER, Engine Cylinder
    GMC 10183926
    10183926
    CHAMBER, CYL HEAD PRE COMBUSTION(STD)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 10183926
    10183926
    CHAMBER, CYL HEAD PRE COMBUSTION(PART OF 220)(STD)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 12550985
    12550985
    CHAMBER, CYL HEAD PRE COMBUSTION(OVERSIZE)
    • Require Quantity: 08
    • Package Quantity: 1
  • GMC 12550985
    12550985
    CHAMBER, CYL HEAD PRE COMBUSTION(PART OF 220)(OVERSIZE)
    • Require Quantity: 08
    • Package Quantity: 1
  • HARNESS, Engine Wiring
    GMC 15303052
    15303052
    HARNESS, DIESEL GLOWPLUG WIRING
    • Fitting Vehicle Options: CK1,2(06-16)(L65,MT1,ZK3)(EXC RHD)
  • GMC 15303236
    15303236
    HARNESS, DIESEL GLOWPLUG WIRING
    • Fitting Vehicle Options: K1,2(06-16)(L65,MT1,NF2,RHD)(EXC ZK3)(EXPORT), K1,2(06-16)(L65,MT1,NF2,RHD,ZK3)(EXPORT)
  • GMC 15320556
    15320556
    HARNESS, DIESEL GLOWPLUG WIRING
    • Fitting Vehicle Options: CK1,2(06-16)(L65,MW3,NF2,NB6), CK1,2,3(L65,MT1,NB6,NF2)(EXC RHD,ZK3)
  • 11514597
    NUT, HEX FLANGED HEAD,10X1.5 THREAD, 9.8 THICK, 21.8 OUTSIDE DIAMETER, 510M (10) PHOSPHATE ZINC ORGANIC - FLAKE 7111M(GLOW PLUG LEAD HEAT SHIELD)(2.383)
    • Require Quantity: 04
    • Package Quantity: 1
    $8.42 $4.69
    1
    Add To Cart
  • 11514597
    NUT, HEX FLANGED HEAD,10X1.5 THREAD, 9.8 THICK, 21.8 OUTSIDE DIAMETER, 510M (10) PHOSPHATE ZINC ORGANIC - FLAKE 7111M(OPTIONAL W/248)(2.383)
    $8.42 $4.69
    1
    Add To Cart
  • 11514597
    NUT, HEX FLANGED HEAD,10X1.5 THREAD, 9.8 THICK, 21.8 OUTSIDE DIAMETER, 510M (10) PHOSPHATE ZINC ORGANIC - FLAKE 7111M(GLOW PLUG RELAY)(2.383)
    • Require Quantity: 02
    • Package Quantity: 1
    $8.42 $4.69
    1
    Add To Cart
  • 11515768
    BOLT, HEX FLANGED HEAD,REDUCED BODY,M10X1.5X40,30THD,22.3 O.D.,HEADER POINT,10.9,7114M(ENGINE LIFT FRONT BRACKET)
    • Require Quantity: 02
    • Package Quantity: 10
    $4.89 $3.11
    10
    Add To Cart
  • 11516357
    BOLT, HEX FLANGED HEAD,M10X1.5X80,30THD,22.3 O.D.,9.8,7114M(OPTIONAL W/238 & 247)
    $15.38 $9.78
    5
    Add To Cart
  • 11515754
    BOLT, HEAVY HEXAGON HEAD,M8X1.25X12,18 O.D.,10.9,PHOSPHATE ZINC ORGANIC
    $7.99 $4.82
    1
    Add To Cart
  • 9439930
    BOLT, HEX FLANGED HEAD 1/4-20X.56 280M PHOSPHATE ZINC ORGANIC
    • Replaced By: 11561767
    $7.39 $4.69
    1
    Add To Cart
  • 11504595
    BOLT, HEXAGON,M10X1.5X20,10.9,PHOSPHATE ORGANIC(RH SIDE)
    $3.46 $2.20
    10
    Add To Cart
  • 14090911
    PLUG, DRY SEAL (3/8-18X.42)
    $7.51 $4.77
    1
    Add To Cart
  • 24501365
    BOLT, HEXAGON,5/16-18X5/8,ZINC(VALVE LIFTER GUIDE RETAINER)
    $12.24 $7.77
    1
    Add To Cart
  • GMC 585927
    585927
    PIN, DOWEL 5/16 X 9/16 STEEL
    $3.27 $1.75
    1
    Add To Cart
  • GMC 9424320
    9424320
    BOLT, HEX FLANGED HEAD, 3/8 -16 X 1"(ENGINE LIFT BRACKET)
    $22.70 $13.73
    1
    Add To Cart
  • 9442012
    BOLT, HEXAGON,.375X16.00X2.25(EXHAUST MANIFOLD)
    $5.05 $3.21
    5
    Add To Cart
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 1999 GMC Suburban K1500 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: 8 Cyl 5.7L, 8 Cyl 6.5L Diesel. Model Code: 1/2 TON.