Cylinder Head Search
Years: 1982-1986 Casting Number: 536 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC170C
Years: 1976-1987 Casting Number: 859 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC170C1
Years: 1982-1982 Casting Number: 509 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC171C
Years: 1983-1989 Casting Number: 265,041 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC172C
Years: 1983-1989 Casting Number: 49 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C
Years: 1990-1994 Casting Number: 738 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C1
Years: 1991-1997 Casting Number: 391 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C2
Years: 1991-1997 Casting Number: 391-S Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C3
Years: 1998-2002 Casting Number: 507 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C4
Years: 1998-2002 Casting Number: 146 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC173C5
Years: 1987-1991 Casting Number: 98 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC174C
Years: 1990-1994 Casting Number: 989 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC174C1
Years: 1983-1989 Casting Number: 802,095,099,896 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC174C2
Years: 1977-1988 Casting Number: 552,702 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C
Years: 1977-1988 Casting Number: 552,702 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C1
Years: 1977-1993 Casting Number: 642 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C10
Years: 1977-1993 Casting Number: 373 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C2
Years: 1982-1991 Casting Number: 767 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C3
Years: 1985-1992 Casting Number: 767 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C4
Years: 1982-1992 Casting Number: 808,655 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C5
Years: 1985-1991 Casting Number: 808,655 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C6
Years: 1977-1993 Casting Number: 496 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C7
Years: 1982-1992 Casting Number: 485,514 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C8
Years: 1985-1991 Casting Number: 485,514 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC175C9
Years: 1980-1986 Casting Number: 258,882 Cylinders & Configuration: V6
Special Info: Carburated, cast iron
ACH Part Number: AC176C
Years: 1985-1993 Casting Number: 879,884 Cylinders & Configuration: V6
Special Info: fuel injection, cast iron
ACH Part Number: AC176C1
Years: 1985-1993 Casting Number: 696,651 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC177C
Years: 1989-1997 Casting Number: 171,511 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC177C1
Years: 1988-1992 Casting Number: 619 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC177C10
Years: 1988-1992 Casting Number: 619 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC177C11
Years: 1993-2005 Casting Number: 769 Cylinders & Configuration: V6
Special Info: Roller, No water sensor
ACH Part Number: AC177C12
Years: 1993-2005 Casting Number: 743 Cylinders & Configuration: V6
Special Info: Nonroller, No water sensor
ACH Part Number: AC177C13
Years: 1991-2003 Casting Number: 769 Cylinders & Configuration: V6
Special Info: Roller, with water sensor
ACH Part Number: AC177C2
Years: 1989-1993 Casting Number: 485,250,619 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC177C3
Years: 1991-2007 Casting Number: 170,487,234 Cylinders & Configuration: V6
Special Info: 10mm rocker studs no smog
ACH Part Number: AC177C4
Years: 1995-2007 Casting Number: 170,487,234 Cylinders & Configuration: V6
Special Info: 10mm rocker studs with smog
ACH Part Number: AC177C5
Years: 1991-2004 Casting Number: 743 Cylinders & Configuration: V6
Special Info: Nonroller, with water sensor
ACH Part Number: AC177C8
Years: 1991-2007 Casting Number: 170,487,234 Cylinders & Configuration: V6
Special Info: 8mm rocker studs, no smog
ACH Part Number: AC177C9
Years: 1980-1988 Casting Number: 445,293 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC178C
Years: 1995-2005 Casting Number: 47,818,134 Cylinders & Configuration: V6
Special Info: Without injectors in the head
ACH Part Number: AC178C1
Years: 1989-2005 Casting Number: 2136 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC178C11
Years: 1995-2005 Casting Number: 47,818,134 Cylinders & Configuration: V6
Special Info: With injectors in the head
ACH Part Number: AC178C2
Years: 1990-2007 Casting Number: 2136 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC178C3
Years: 1989-2006 Casting Number: 2136 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC178C4
Years: 1985-1988 Casting Number: 248,515,030 Cylinders & Configuration: V6
Special Info: Cast iron
ACH Part Number: AC179C
Special Info: No smog
ACH Part Number: AC180C
Special Info: With smog
ACH Part Number: AC180C1
Special Info: Turbocharged ecotec
ACH Part Number: AC180C8
Special Info:
ACH Part Number: AC180C9
Special Info: Turbocharged ecotec
ACH Part Number: AC180CC8
Special Info: 1BBL 7 VALVE COVER
ACH Part Number: AC181C
Special Info: 1BBL NO SMOG
ACH Part Number: AC181C1
Special Info: 1BBL WITH SMOG
ACH Part Number: AC181C2
Years: 1975-1982 Casting Number: 362 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC182C
Years: 1975-1982 Casting Number: 715 Cylinders & Configuration: V8
Special Info: CAST IRON NO SMOG
ACH Part Number: AC182C1
Years: 1975-1982 Casting Number: 715 Cylinders & Configuration: V8
Special Info: CAST IRON WITH SMOG
ACH Part Number: AC182C2
Special Info: PRESS IN STUDS
ACH Part Number: AC185C
Special Info: SCREW IN STUDS
ACH Part Number: AC185C1
Special Info: SCREW IN STUDS
ACH Part Number: AC185C2
Years: 1976-1987 Casting Number: 363,110 Cylinders & Configuration: L4
Special Info: CAST IRON
ACH Part Number: AC186C1
Special Info: E-TEC II
ACH Part Number: AC186C2
Years: 1976-1987 Casting Number: 859 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC187C
Years: 1984-1997 Casting Number: 248,768 Cylinders & Configuration: V6
Special Info: CAST IRON
ACH Part Number: AC189C
Years: 1985-2005 Casting Number: 64,181,209,103 Cylinders & Configuration: V6
Special Info: PRESS IN 3/8 STUDS
ACH Part Number: AC189C1
Years: 1984-2005 Casting Number: 772,113,140 Cylinders & Configuration: V6
Special Info: 10MM ROCKER BOLT HOLE
ACH Part Number: AC189C2
Years: 2000-2005 Casting Number: 209,064,181 Cylinders & Configuration: V6
Special Info: SCREW IN 5/16 STUDS
ACH Part Number: AC189C3
Years: 1986-2005 Casting Number: 113 Cylinders & Configuration: V6
Special Info: 8MM ROCKER BOLT HOLES
ACH Part Number: AC189C4
Years: 1978-1986 Casting Number: 416,450 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC192C
Years: 1980-1987 Casting Number: 601,305 Cylinders & Configuration: V8
Special Info: H.O.
ACH Part Number: AC192C1
Years: 1989-1995 Casting Number: 187,081 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC193C
Years: 1980-1990 Casting Number: 185 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC194C
Years: 1980-1990 Casting Number: 339,991 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC194C1
Special Info: CAST IRON OVAL EX
ACH Part Number: AC194C2
Years: 1962-1969 Casting Number: 186,041 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC195C
Years: 1967-1970 Casting Number: 441 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC196C
Years: 1972-1988 Casting Number: 882 Cylinders & Configuration: V8
Special Info: LG VALVE, 6 HOLE EXHAUST
ACH Part Number: AC196C1
Years: 1992-2003 Casting Number: 906,062 Cylinders & Configuration: V8
Special Info: VORTEC
ACH Part Number: AC196C10
Years: 1992-2003 Casting Number: 906,062 Cylinders & Configuration: V8
Special Info: VORTEC, NEW HEAD
ACH Part Number: AC196C10NV
Years: 1999-2008 Casting Number: 873 Cylinders & Configuration: V8
Special Info: CAST IRON
ACH Part Number: AC196C12
Years: 1999-2008 Casting Number: 317 Cylinders & Configuration: V8
Special Info: ALUM
ACH Part Number: AC196C13
Years: 1995-2003 Casting Number: 374,643, Cylinders & Configuration: V8
Special Info: ALUM, LT1
ACH Part Number: AC196C14
Years: 1992-1997 Casting Number: 320,290 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC196C15
Years: 1987-1995 Casting Number: 191,193 Cylinders & Configuration: V8
Special Info: ROUND PUSHROD HOLES
ACH Part Number: AC196C16
Years: 1997-2004 Casting Number: 241,512,513,592,806 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC196C17
Years: 1986-1996 Casting Number: 810 Cylinders & Configuration: V8
Special Info: ROUND PUSHROD HOLES
ACH Part Number: AC196C18
Years: 1986-1996 Casting Number: 810 Cylinders & Configuration: V8
Special Info: SLOTTED PUSHROD HOLES
ACH Part Number: AC196C19
Years: 1972-1986 Casting Number: 882 Cylinders & Configuration: V8
Special Info: SMALL VALVE, 6 HOLE EXHAUST
ACH Part Number: AC196C2
Years: 1978-1988 Casting Number: 624 Cylinders & Configuration: V8
Special Info: SMALL VALVE, 7 HOLE EXHAUST
ACH Part Number: AC196C3
Years: 1978-1988 Casting Number: 369,624 Cylinders & Configuration: V8
Special Info: LARGE VALVE, 7 HOLE EXHAUST
ACH Part Number: AC196C4
Years: 1985-1988 Casting Number: 217,083 Cylinders & Configuration: V8
Special Info: STRAIGHT OR ANGLED BOLT HOLES
ACH Part Number: AC196C6
Years: 1979-1990 Casting Number: 261,093 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC196C7
Years: 1978-1988 Casting Number: 388 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC196C8
Years: 1978-1988 Casting Number: 898 Cylinders & Configuration: V8
Special Info: WITH AIR BRAKES
ACH Part Number: AC196C9
Special Info:
ACH Part Number: AC197C
Special Info:
ACH Part Number: AC197C11
Special Info: CAM GEAR?
ACH Part Number: AC197CC
Special Info:
ACH Part Number: AC197CC1
Special Info:
ACH Part Number: AC197CC11
Special Info:
ACH Part Number: AC197CC5
Years: 1950-1962 Casting Number: 848,913 Cylinders & Configuration: L6
Special Info:
ACH Part Number: AC200C
Special Info: 2TZEFE
ACH Part Number: AC248C5
Special Info: 2RZFE
ACH Part Number: AC248CC3
Years: 1975-1980 Casting Number: 920,882,137 Cylinders & Configuration: V8
Special Info: Large valve 1/94, 6 bolts
ACH Part Number: AC251C
Years: 1978-1980 Casting Number: 624 Cylinders & Configuration: V8
Special Info: Large valve 1/94, 7 bolts
ACH Part Number: AC251C1
Years: 1975-1980 Casting Number: 920,882,642 Cylinders & Configuration: V8
Special Info: 6 bolts, Small valve 1/74
ACH Part Number: AC251C2
Years: 1975-1980 Casting Number: 624 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC251C3
Special Info: Fuel injection, G10, with cam caps
ACH Part Number: AC253C1
Special Info:
ACH Part Number: AC253CC
Special Info:
ACH Part Number: AC253CC1
Years: 1975-1985 Casting Number: 147,929,742 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC256C
Years: 1975-1985 Casting Number: 716 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC256C1
Years: 1975-1985 Casting Number: 716 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC256C2
Years: 1975-1985 Casting Number: 147,929,742 Cylinders & Configuration: V8
Special Info:
ACH Part Number: AC256C3
Years: 1996-2001 Casting Number: 683 Cylinders & Configuration: L4
Special Info:
ACH Part Number: AC257C3
Years: 1977-1979 Casting Number: 717 Cylinders & Configuration: V8
Special Info: NO SMOG
ACH Part Number: AC310C
Years: 1977-1979 Casting Number: 717 Cylinders & Configuration: V8
Special Info: WITH SMOG
ACH Part Number: AC310C1
Special Info: 1ZZFE, NO OIL RELEASE
ACH Part Number: AC323C1
Special Info: 2ZZGE
ACH Part Number: AC323C2
Special Info: 1ZZFE, WITH OIL RELEASE
ACH Part Number: AC323C4
Special Info: 4AFE
ACH Part Number: AC323CC1
Special Info: 2ZZGE
ACH Part Number: AC323CC2
Years: 1993-2008 Casting Number: 403 Cylinders & Configuration: L4
Special Info: NORTHSTAR
ACH Part Number: AC342C2
Years: 1993-2008 Casting Number: 402 Cylinders & Configuration: L4
Special Info: NORTHSTAR
ACH Part Number: AC342C3
Special Info: Ecotec
ACH Part Number: AC345C7
Special Info: Ecotec
ACH Part Number: AC345CC7
Years: 1993-2009 Casting Number: 990 Cylinders & Configuration: V8
Special Info: NORTHSTAR
ACH Part Number: AC347C
Years: 1993-2009 Casting Number: 989 Cylinders & Configuration: V8
Special Info: NORTHSTAR
ACH Part Number: AC347C1
Years: 1991-1997 Casting Number: 315,274 Cylinders & Configuration: V6
Special Info:
ACH Part Number: AC355C1
