Parts for MerCruiser 496 Mag EC (H.O. Model) Cylinder Head
Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
#1 | 938-881684001 | CYLINDER HEAD (1 required per assembly) Starboard |
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938-881684001 - CYLINDER HEAD O NLA [ More info ] Unavailable |
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#1 | 938-881685001 | CYLINDER HEAD (1 required per assembly) Port |
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938-881685001 - 938-881685001 - CYLINDER HEAD O [ More info ] Unavailable Replaced by 900-8M0084533 |
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#4 | 27-881631 | GASKET, Cylinder Head (1 required per assembly) Port |
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#4 | 27-879150064 | GASKET, Cylinder Head (1 required per assembly) Starboard |
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#5 | 881674 | VALVE, Intake (8 required per assembly) Standard |
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#5 | 881675 | VALVE, Intake (AR required per assembly) (.003) Over Size |
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881675 - Valve - .003 Os [ More info ]
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#5 | 881676 | VALVE, Intake (AR required per assembly) (.015) Over Size |
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881676 - 881676 - VALVE O [ More info ] Unavailable Replaced by -8M0107993 |
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8M0107993 - Valve -.015 OS [ More info ]
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#5 | 881677 | VALVE, Intake (AR required per assembly) (.030) Over Size |
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881677 - Valve - .030 Os [ More info ]
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#6 | 891713 | VALVE, Exhaust (8 required per assembly) Standard |
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#6 | 881679 | VALVE, Exhaust (AR required per assembly) (.003) Over Size |
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#6 | 881680 | VALVE, Exhaust (AR required per assembly) (.015) Over Size |
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#6 | 881681 | VALVE, Exhaust (AR required per assembly) (.030) Over Size |
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#7 | 850463 | ROTATOR, Valve (8 required per assembly) |
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#8 | 26-881637 | SEAL, Valve Stem Oil (16 required per assembly) |
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26-881637 - 26-881637 - SEAL O [ More info ] Unavailable Replaced by 26-881637T |
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#9 | 24-881672001 | SPRING, Valve (16 required per assembly) |
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#10 | 850464 | CAP, Valve Spring (8 required per assembly) |
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#11 | 28-54530 | KEY, Valve Stem (32 required per assembly) |
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#12 | 850467 | LIFTER, Valve (16 required per assembly) |
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#13 | 845754 | GUIDE, Valve Lifter (8 required per assembly) |
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#14 | 881682 | PUSH ROD, Intake (8 required per assembly) |
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881682 - 881682 - PUSH ROD O [ More info ] Unavailable Replaced by -881682T |
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#14 | 881683 | PUSH ROD, Exhaust (8 required per assembly) |
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#15 | 881686 | GUIDE, Rocker Arm (8 required per assembly) |
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#16 | 16-881635 | STUD (16 required per assembly) |
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#17 | 881687 | ARM (16 required per assembly) |
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#18 | 58041 | BALL (16 required per assembly) |
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#19 | 11-801883 | NUT (12 required per assembly) |
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#20 | 22-75983 | PLUG (2 required per assembly) |
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#21 | 10-881642A01 | BOLT KIT (1 required per assembly) |
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#22 | NSS | NOT SOLD SEPARATE, SCREW (M10x86) (AR required per assembly) Component Of 881642A01 |
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NSS - NOT SOLD SEPARATE O [ More info ] Unavailable |
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#24 | 27-881622 | GASKET, Cylinder Head Cover (2 required per assembly) |
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#25 | 891870 | COVER, Cylinder Head (2 required per assembly) |
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#26 | 27-881621 | GASKET (14 required per assembly) |
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#27 | 10-881623 | SCREW, (M6 x 1) (14 required per assembly) |
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#28 | 84-891886 | HARNESS ASSEMBLY, Ignition Coil Wiring (1 required per assembly) |
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84-891886 - 84-891886 - HARNESS ASSEMBLY O [ More info ] Unavailable Replaced by 84-891886001 |
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#29 | 10-881648 | BOLT, (M6 x 13) (4 required per assembly) |
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#30 | 54-881722 | CLIP, Wiring Harness (2 required per assembly) |
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#31 | 86-881723 | CONNENCTOR, Harness to Harness (1 required per assembly) |
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#32 | 392-889925 | COIL, Ignition (8 required per assembly) |
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#33 | 10-881647 | SCREW (16 required per assembly) |
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10-881647 - Bolt [ More info ]
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#34 | 84-881698 | WIRE KIT, (8 Leads), Spark Plug (1 required per assembly) |
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#34 | 84-888740 | WIRE, Individual, Spark Plug (4 required per assembly) Use with Cylinders 1, 2, 7 and 8 |
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#34 | 84-888741 | WIRE, Individual, Spark Plug (4 required per assembly) Use with Cylinders 3, 4, 5 and 6 |
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#35 | 33-863622001 | SPARK PLUG (8 required per assembly) |
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33-863622001 - SPARK PLUG O [ More info ] Unavailable |
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#36 | 866622 | BRACKET, Coil (2 required per assembly) |
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#37 | 10-40106 10 | SCREW, (M6 x 10) Stainless Steel, Coil Bracket to Rocker Cover (12 required per assembly) |
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#38 | 10-40106 18 | SCREW, (M6 x 18) Stainless Steel, Coil to Coil Bracket (8 required per assembly) |
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#NS | 881720 | RETAINER (2 Spark Plug Wire) (AR required per assembly) |
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#NS | 883924 | RETAINER, Conduit (AR required per assembly) |
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