The Name You Trust for Engine Parts, Cores, & Recycling

Marine Engine Components

When it comes to rebuilding, repairing or remanufacturing your MerCruiser, OMC, Volvo marine engine, EngineQuest has just the items to get the engine back into the boat and the boat back on the water.

September 3, 2020 12:30 am

Valve Covers / Rocker Covers

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-VC262CHEVROLET2624.31985 - 1993METAL14252, 814504EQ-VC262
EQ-VC350MCHEVROLET3055.01970 - 1985METAL / OUTER BOLT DOWN HOLES / 1 PUSH-IN HOLE & 1 TURN-IN CAP HOLE523331A1, 58211, 79961, 79961T1EQ-VC350M
EQ-VC350MCHEVROLET3505.71970 - 1985METAL / OUTER BOLT DOWN HOLES / 1 PUSH-IN HOLE & 1 TURN-IN CAP HOLE523331A1, 58211, 79961, 79961T1EQ-VC350M
EQ-VC351LCHEVROLET3055.01986 - 1996METAL / CENTER BOLT DOWN HOLES / 1 PUSH-IN & 1 SCREW-IN, 1 PUSH-INEQ-VC351L
EQ-VC351LCHEVROLET3505.71986 - 1996METAL / CENTER BOLT DOWN HOLES / 1 PUSH-IN & 1 SCREW-IN, 1 PUSH-INEQ-VC351L
EQ-VC352LCHEVROLET3055.01986 - 1996METAL / CENTER BOLT DOWN HOLES / 1 PUSH-IN & 1 SCREW-IN809995EQ-VC352L
EQ-VC352LCHEVROLET3505.71986 - 1996METAL / CENTER BOLT DOWN HOLES / 1 PUSH-IN & 1 SCREW-IN809995EQ-VC352L
EQ-VC454CHEVROLET4277.01969 - 1974METAL17671
EQ-VC454CHEVROLET4547.41969 - 1990METAL17671
September 3, 2020 12:30 am

Caps and Grommets

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-OC350NCHEVROLETUNIVERSALOIL FILLER CAP /UNIVERSAL SCREW-IN36-18710002, 38-18710EQ-OC350N
EQ-PCV350CHEVROLETUNIVERSALROCKER COVER / BREATHER GROMMET, UNIVERSAL23-8M0071559EQ-PCV350
September 3, 2020 12:30 am

Push Rod Cover / Side Plate

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-SP181NCHEVROLET1532.5ALL9342383059341A1EQ-SP181N
EQ-SP181NCHEVROLET1813.0ALL9342383059341A1EQ-SP181N
September 3, 2020 12:30 am

Oil Filter Adapters

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-OFA454CHEVROLET1813.0L4 – ALSO KNOWN AS CONNECTOR22-805632EQ-OFA454
EQ-OFA262CHEVROLET2624.31986 - 1993V6 - ALSO KNOWN AS CONNECTOR11972EQ-OFA262
EQ-OFA305CHEVROLET3055.01986 - 2002V8 - ALSO KNOWN AS CONNECTOR71920EQ-OFA305
EQ-OFA305CHEVROLET3505.71986 - 2002V8 - ALSO KNOWN AS CONNECTOR71920EQ-OFA305
EQ-OFA454CHEVROLET4547.41965 & NEWERV8 - ALSO KNOWN AS CONNECTOR22-805632EQ-OFA454
EQ-OFA454CHEVROLET5028.21996 & NEWERV8 - ALSO KNOWN AS CONNECTOR22-805632EQ-OFA454
EQ-OFA302FORD3025.01970 - 1990V8 - ALSO KNOWN AS CONNECTOR22-56876EQ-OFA302
EQ-OFA302FORD351W5.81970 - 1994V8 - ALSO KNOWN AS CONNECTOR22-56877EQ-OFA302
EQ-OFA460FORD4607.51968 - 1997V8 - ALSO KNOWN AS CONNECTOREQ-OFA460
September 3, 2020 12:30 am

Oil Pans

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-OP454CHEVROLET4277.01969 - 19742 REAR SEAL ENGINE APPLICATION47552A5, 47552EQ-OP454
EQ-OP454CHEVROLET4547.41965 - 19902 REAR SEAL ENGINE APPLICATION47552A5, 47552EQ-OP454
EQ-OP350NCHEVROLET3055.01989 - UP12MM DRAIN PLUG FOR USE WITH BOLT-IN WINDAGE TRAY / BAFFLE808588, 809910, 88901TEQ-OP350N
EQ-OP350NCHEVROLET3505.71989 - UP12MM DRAIN PLUG FOR USE WITH BOLT-IN WINDAGE TRAY / BAFFLE808588, 889501T, 809910EQ-OP350N
EQ-OP350MCHEVROLET3055.01986 - 1996FOR USE ON 1 PIECE REAR SEAL ENGINE / 5 QUART. FOR USE WITH BOLT-IN WINDAGE TRAY / BAFFLE13840A1, 805930A1EQ-OP350M
EQ-OP350MCHEVROLET3505.71986 - 19965 QUART. FOR USE WITH BOLT-IN WINDAGE TRAY / BAFFLE3840A1, 805930A1EQ-OP350M
EQ-OP262MCHEVROLET2624.31986 - 1993FOR USE ON 1 PIECE REAR SEAL ENGINE14244EQ-OP262M
September 3, 2020 12:30 am

Screw In Studs

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-SIS350CHEVROLET1813.0ALL7/16-14 X 3/8-24 X 2.375” OVERALLEQ-SIS350
EQ-SIS350CHEVROLET3055.0ALL7/16-14 X 3/8-24 X 2.375” OVERALLEQ-SIS350
EQ-SIS350CHEVROLET3505.7ALL7/16-14 X 3/8-24 X 2.375” OVERALLEQ-SIS350
September 3, 2020 12:30 am

Head Bolts

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-HB262NCHEVROLET2624.31985 - 19975/8” HEX HEAD BOLTEQ-HB262N
EQ-HB263NCHEVROLET2624.31997 - 20061/2” HEX HEAD10-11966, 10-119671, 10-11968EQ-HB263N
EQ-HB350PCHEVROLET3055.01969 - 19971/2” HEX HEAD10-11966, 10-119671, 10-11968EQ-HB350P
EQ-HB350PCHEVROLET3505.71969 - 19971/2” HEX HEAD10-11966, 10-119671, 10-11968EQ-HB350P
EQ-HB350NCHEVROLET3055.01969 - 19975/8” HEX HEAD BOLTEQ-HB350N
EQ-HB350NCHEVROLET3505.71969 - 19975/8” HEX HEAD BOLTEQ-HB350N
EQ-HB454NCHEVROLET4277.01969 - 1974BIG BLOCK10-8M0000463, 10-8M0000482EQ-HB454N
EQ-HB454NCHEVROLET4547.41965 - 1990BIG BLOCK10-8M0000463, 10-8M0000482EQ-HB454N
EQ-HB496NCHEVROLET4968.12001 - 200610-881642A01 - 10-881625, 10-881642A01 - 10-881624, 10-881642A01 - 10-881642EQ-HB496N
EQ-HB454NCHEVROLET5028.21990 - 199810-8M0000463, 10-8M0000482EQ-HB454N
EQ-HB302NFORD3025.01970 - 200110-56112, 10-56113EQ-HB302N
EQ-HB370NFORD4607.51968 - 1997EQ-HB370N
September 3, 2020 12:30 am

Cylinder Heads

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-CH181MCHEVROLET1813.0REPLACES CASTING # 14096620936-81840, 936-8M0115135EQ-CH181M
EQ-CH181MACHEVROLET1813.0Replaces casting # 14096620 – ASSEMBLED936-81840, 936-8M0115135EQ-CH181MA
EQ-GP181M*CHEVROLET1813.0SET OF 4 GUIDE PLATES (EQ-SIS350 SCREW IN STUDS SOLD SEPARATELY)EQ-GP181M
EQ-CH262NOCHEVROLET2624.31992 - 2014VORTEC DESIGN 8 BOLT INTAKE, REPLACES CASTING # 12557113EQ-CH262NO
EQ-CH262N0ACHEVROLET2624.31992 - 2014Vortec design 8 bolt intake, Replaces casting # 12557113 – ASSEMBLEDEQ-CH262NOA
EQ-CH262NCCHEVROLET2624.31992 - 2014VORTEC DESIGN 8 BOLT INTAKE, REPLACES CASTING # 12557113, AFTERMARKET REPLACEMENTEQ-CH262NC
EQ-CH305BCHEVROLET3055.01996 - UPREPLACES CASTING NUMBER: 12552520, 12557113, 12558059, INTAKE RUNNER 170CC, COMBUSTION CHAMBER 58CC938-802556EQ-CH305B
EQ-CH305BACHEVROLET3055.01996 - UPReplaces casting number: 12552520, 12557113, 12558059, Intake runner 170CC, CombustION Chamber 58CC – ASSEMBLED938-802556EQ-CH305BA
EQ-CH350ACHEVROLET3505.71969 - 1986UNIVERSAL / INTAKE RUNNER 178CC, COMBUSTION CHAMBER 76CC, WITH HEAT RISER, 69-86 INTAKE MANIFOLD BOLT PATTERN, 7 BOLT HOLE EXHAUST MOUNTING, PERIMETER VALVE COVER HOLES938-7499EQ-CH350A.
EQ-CH350AACHEVROLET3505.71969 - 1986Universal / Intake runner 178CC, Combustion Chamber 76CC, With Heat Riser , 69-86 Intake manifold bolt pattern, 7 bolt hole exhaust mounting, 7 bolt hole exhaust mounting, Perimeter valve cover holes – ASSEMBLED938-7499EQ-CH350AA
EQ-CH350GCHEVROLET3505.71987 - 1995REPLACES CASTING NUMBER: 083, 191, 193, 217, 810, WITH HEAT RISER, 87-95 INTAKE MANIFOLD BOLT PATTERN, CENTER BOLT DOWN VALVE COVER HOLES, RECOMMENDED TO BE REPLACED IN PAIRS938-883490 1EQ-CH350G
EQ-CH350GACHEVROLET3505.71987 - 1995Replaces casting number: 083, 191, 193, 217, 810, With Heat Riser, 87-95 Intake manifold bolt pattern, Center bolt down valve cover holes,
Recommended to be replaced in pairs – ASSEMBLED
938-883490 1EQ-CH350GA
EQ-CH350CCHEVROLET3505.71996 - 2006REPLACES CASTING NUMBERS: 12558062, 10239906, INTAKE RUNNER 170CC,COMBUSTION CHAMBER 64CC938-883297, 938-803860TEQ-CH350C
EQ-CH350CACHEVROLET3505.71996 - 2006Replaces casting numbers: 12558062, 10239906, Intake runner 170CC, Combustion Chamber 64CC – ASSEMBLED938-883297, 938-803860TEQ-CH350CA
EQ-CH454CCHEVROLET4547.41996 - 2000 UNIVERSALREPLACES CASTING NUMBERS: 12560241, 10141279, 246CC INTAKE RUNNER, 100CC COMBUSTION CHAMBER, VORTEC CHAMBER (.370/.3716 VALVE ID),DIRECT REPLACEMENT FOR 1996- 2000 / WHEN INSTALLING ON 1996 AND EARLIER, MODELS, MUST USE BOLT DOWN ROCKER, ARMS AND HEAD GASKET BY FELPRO, # 1017 OR EQUIVALENT938-883492R1EQ-CH454C
EQ-CH454CACHEVROLET4547.41996 - 2000Replaces casting numbers: 12560241, 10141279, 246cc Intake Runner, 100cc Combustion Chamber, Vortec Chamber (.370/.3716 valve id) – ASSEMBLED938-883492R1EQ-CH454CA

“*EQ-GP181M USE GUIDE PLATES WITH THE FOLLOWING CYLINDER HEAD PART NUMBERS: EQ-CH181M / EQ-CH181MA
EQ-CH305B / EQ-CH305BA / EQ-CH350C / EQ-CH350CA / EQ-CH350G / EQ-CH350GA / EQ-CH350A / EQ-CH350AA”

September 3, 2020 12:30 am

Block Off Plates with Gaskets Fuel Pump

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-BOP076UNIVERSAL2 HOLE MOUNTINGEQ-BOP076
EQ-BOP087CHEVROLET305 / 3505.0 / 5.74 HOLE MOUNTING807695, 809695TEQ-BOP087
September 3, 2020 12:30 am

Roller Lifter Guides And Retainers

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
EQ-RLG350CHEVROLET3055.01986 - UPALSO KNOWN AS CLIPS17341TEQ-RLG350
EQ-RLG350CHEVROLET3505.71986 - UPALSO KNOWN AS CLIPS17341TEQ-RLG350
EQ-RLG454CHEVROLET4547.41986 - UPALSO KNOWN AS CLIPS845754, 850474EQ-RLG454
EQ-RLR350NCHEVROLET3055.01986 - 1997ALSO KNOWN AS SPIDER811662EQ-RLR350N
EQ-RLR350NCHEVROLET3505.71986 - 1997ALSO KNOWN AS SPIDER811662EQ-RLR350N
EQ-RLR350KITCHEVROLET3055.01986 - 1997RETAINER, 3 MOUNTING BOLTS, 8 CLIPS811662, 17341TEQ-RLR350KIT
EQ-RLR350KITCHEVROLET3505.71986 - 1997RETAINER, 3 MOUNTING BOLTS, 8 CLIPS811662, 17341TEQ-RLR350KIT
EQ-RLRDLXACHEVROLET3055.01986 - 1990RETAINER, 3 MOUNTING BOLTS, 8 CLIPS, CAM THRUST PLATE (4.23” T2T), CAM PLATE MOUNTING BOLTS (2)EQ-RLRDLXA
EQ-RLRDLXACHEVROLET3505.71986 - 1990RETAINER, 3 MOUNTING BOLTS, 8 CLIPS, CAM THRUST PLATE (4.23” T2T), CAM PLATE MOUNTING BOLTS (2)EQ-RLRDLXA
EQ-RLRDLXBCHEVROLET3055.01991 - 2002RETAINER, 3 MOUNTING BOLTS, 8 CLIPS, CAM THRUST PLATE (3.90” T2T), CAM PLATE MOUNTING BOLTS (2)EQ-RLRDLXB
EQ-RLRDLXBCHEVROLET3505.71991 - 2002RETAINER, 3 MOUNTING BOLTS, 8 CLIPS, CAM THRUST PLATE (3.90” T2T), CAM PLATE MOUNTING BOLTS (2)EQ-RLRDLXB
September 3, 2020 12:30 am

Intake Manifold

PART #ENGINE MFGCIDLITERYEARSNOTESMerCruiser / Quick Silver cross referenceIMAGE
IN350MBChevrolet3055.01987 - 1995EQ-IN350MB
IN350MAChevrolet3055.01996 - 200217618TEQ-IN350MA
IN350MBChevrolet3505.71987 - 1995EQ-IN350MB
IN350MAChevrolet3505.71987 - 199517618TEQ-IN350MA
  • 4 Barrel Universal Carburetor mounting
  • 15 degree carb flange
  • All required mounting & accessories holes are tapped
  • Superior runner finish for increased air flow
  • CNC machined for exact fit & bolt hole location
  • Manufactured of the highest grade of cast iron to resist salt water corrosion that aluminum intakes experience & corrosion caused by Natural gas and other dry fuels
  • Electric Choke

* conversion kits are included with all IN350MB manufactured with production date of 06/19/2018 and sold after 07/28/2018

Cast Iron Small Block Chevrolet Intake Manifolds

  • 4 Barrel Universal Carburetor mounting
  • Electric Choke
  • 15 degree carb flange
  • All required mounting and accessories holes are tapped
  • Superior runner finish for increased air flow
  • CNC machined for exact fit and bolt hole location
  • Manufactured of the highest grade of cast iron to resist salt water corrosion that aluminum intakes experience & Corrosion caused by natural gas and other dry fuels

PLUG KIT PKIN350 (ALL THE PIPE PLUGS NEEDED TO BLOCK THE THREADED HOLES IN IN350MA & IN350MB)

INSTRUCTION SHEET

IN350MB

INSTALLATION VIDEOS

IN350MB

1987 – 1995 CYLINDER HEADS

Throttle Body Style


IN350MB

1969 – 1986 CYLINDER HEADS

Carburetor Style