Part No. & Part Description
Price & Qty.
Part No. &
Part Description
BOLT, Engine Cylinder Head
12558840BOLT, CYL HEAD(M8X1.25X45)
- Fitting Vehicle Options: CK2,3(LY6)
- Require Quantity: 10
- Package Quantity: 1
19258707BOLT, CYL HEAD(M11X2X100)
- Fitting Vehicle Options: CK2,3(LY6)
- Require Quantity: 20
- Package Quantity: 1
11610681BOLT, CYL HEAD(M12 X 121MM FLANGE)(UPPER)(WHEN REPLACING ONE BOLT; ALL MUST BLACK ENAMEL REPLACED)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 36
- Package Quantity: 1
97355741BOLT, CYL HEAD(LOWER)(M8 X 90MM HEXAGON SOCKET)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 08
- Package Quantity: 1
12482063SEAL KIT, INTAKE VALVE STEM OIL(W/SPRING SHIM)(PART OF 218)(14.4MM)(CONTAINS 8 SEALS)
GASKET, Engine Cylinder Head
12610046GASKET, CYL HEAD(NEW HEAD BLTS REQ'D WHEN HEAD IS REMOVED)
- Fitting Vehicle Options: CK2,3(LY6)
- Require Quantity: 02
- Package Quantity: 1
12637785GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(1.05+/- 0.050 MM)(GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LMM)
12637788GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE C)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LMM)
12637790GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE A)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LMM)
12637786GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE B)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LMM)
12637787GASKET, CYL HEAD(GRADE A)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LMM)
12637789GASKET, CYL HEAD(FOR GRADE SELECTOR, SEE SI2000 DOCUMENTATION INSIDE DIAMETER #671425)(GRADE B)(NEW HEAD BOLTS REQUIRED WHEN HEAD IS REMOVED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LMM)
98040128GASKET, CYL HEAD(OVERBORED)(DO NOT USE SERVICE MANUAL TORQUES/NEW TORQUE SPECIAL WILL BLACK ENAMEL INCLUDED)(.75MM OVERSIZED)
- Location: Passenger Side
- Fitting Vehicle Options: CK2,3(LMM)
98040130GASKET, CYL HEAD(OVERBORED)(DO NOT USE SERVICE MANUAL TORQUES/NEW TORQUE SPECIAL WILL BLACK ENAMEL INCLUDED)(.75MM OVERSIZED)
- Location: Driver Side
- Fitting Vehicle Options: CK2,3(LMM)
12681275ARM, VALVE ROCKER(ARM, VALVE ROCKER EXHAUST. FOR INTKE VALVE ROCKER ARM SEE PN 12569167, QTY 8)
- Require Quantity: 08
- Package Quantity: 1
12696105ARM, INTAKE VALVE ROCKER(OFFSET INLET ROCKER ARM)
- Require Quantity: 08
- Package Quantity: 1
COVER, Engine Valve Rocker & Camshaft
12570427COVER, VALVE ROCKER ARM(INCLUDES 504,515,516,900)(INCLUDES:COVER,GASKET,BOLT,DEFLECTOR,FITTING)
12582224COVER, VALVE ROCKER ARM(INCLUDES 504,515,516)(INCLUDES:COVER,GASKET,BOLT,CONNECTOR,FITTING,BAFFLE,CAP)
PLUG, Engine Cylinder Head
11610259PLUG, CYL HEAD CORE HOLE(M12X1.5X21.2)(HEXAGON,SOCKET)
- Fitting Vehicle Options: CK2,3(LY6)
94029588PLUG, CYL HEAD CORE HOLE(PART OF 1)(16MM OUTSIDE DIAMETER)(0.253)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 03
- Package Quantity: 1
94032652PLUG, CYL HEAD CORE HOLE(PART OF 1)(28MM O.D.)(0.034)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 02
- Package Quantity: 1
94032652PLUG, CYL HEAD CORE HOLE(28MM O.D.)(0.034)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 02
- Package Quantity: 1
94033681PLUG, CYL HEAD CORE HOLE(PART OF 1)(OUTSIDE DIAMETER=20)(0.253)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 02
- Package Quantity: 1
TUBE, Engine Crankcase Ventilation
12629062HEAD, CYL (W/VLVS)(INCLUDES 222-225,227,228)(12602048 QTY 1 AS REQUIRED)(HEAD HEAD W/INCONEL VALVES)(USE TOGETHER WITH ENGINE COOLANT AIR BLEED)
- Fitting Vehicle Options: CK2,3(LY6)
- Require Quantity: 02
- Package Quantity: 1
- Replaced By: 12711770
12690608HEAD, CYL(MACHINING)(INCLUDES 4,8,9,102,103)
- Fitting Vehicle Options: CK2,3(LMM)
- Require Quantity: 02
- Package Quantity: 1
11516918BOLT, Hex, BOLT,HEXAGON W/CONICAL WASHER,M10X1.5X30,25 THREAD,20 OUTSIDE DIAMETER,10.9,7114M,MACHINE,HEADER POINT(ENGINE LIFT REAR BRACKET)
- Require Quantity: 02
- Package Quantity: 1
SEAT, Cylinder Head Valve Seat
97212571SEAT, INTAKE VALVE(PART OF 1)(0.669)
- Require Quantity: 16
- Package Quantity: 1
97212572SEAT, EXHAUST VALVE(PART OF 1)(0.669)
- Require Quantity: 16
- Package Quantity: 1
Genuine GM Parts, the Right Choice
GMPartsGiant.com offers the wholesale prices for genuine 2008
GMC Sierra 3500 HD 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: 8 Cyl 6.0L, 8 Cyl 6.6L Diesel. Model Code: CREW CAB 1 TON, EXTENDED CAB 1 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5.