Parts for MerCruiser 496 Mag EC (H.O. Model) Cylinder Head

Revise Search: All Models > 496 Mag EC (H.O. Model) > 1A066166 - 1A611927 > Cylinder Head

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• View diagram and parts list below.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

Engine section

Reference numbers in this diagram can be found in a light blue row below — scroll down to order.
Each product listed is an OEM or aftermarket equivalent part. [ Example ]

#1	938-881684001	CYLINDER HEAD (1 required per assembly) Starboard
		938-881684001 - CYLINDER HEAD O NLA [ More info ] Unavailable
#1	938-881685001	CYLINDER HEAD (1 required per assembly) Port
		938-881685001 - 938-881685001 - CYLINDER HEAD O [ More info ] Unavailable Replaced by 900-8M0084533
		9008M0084533 - Head CYLINDR- Port [ More info ] $1,374.29 Available to order: Usually ships within 8 days.
#4	27-881631	GASKET, Cylinder Head (1 required per assembly) Port
		27-881631 - Gasket [ More info ] $122.00 In stock
#4	27-879150064	GASKET, Cylinder Head (1 required per assembly) Starboard
		27-879150064 - Gasket [ More info ] $122.83 In stock
#5	881674	VALVE, Intake (8 required per assembly) Standard
		881674 - Valve - Std [ More info ] $50.92 Available to order: Usually ships within 8 days.
#5	881675	VALVE, Intake (AR required per assembly) (.003) Over Size
		881675 - Valve - .003 Os [ More info ] $104.80 $89.74 Available to order: Usually ships within 8 days.
#5	881676	VALVE, Intake (AR required per assembly) (.015) Over Size
		881676 - 881676 - VALVE O [ More info ] Unavailable Replaced by -8M0107993
		8M0107993 - Valve -.015 OS [ More info ] $65.20 $55.83 Available to order: Usually ships within 8 days.
#5	881677	VALVE, Intake (AR required per assembly) (.030) Over Size
		881677 - Valve - .030 Os [ More info ] $110.90 $94.95 Available to order: Usually ships within 8 days.
#6	891713	VALVE, Exhaust (8 required per assembly) Standard
		891713 - Exhaust Valve [ More info ] $149.08 Available to order: Usually ships within 8 days.
#6	881679	VALVE, Exhaust (AR required per assembly) (.003) Over Size
		881679 - Valve - .003 Os [ More info ] $115.00 Available to order: Usually ships within 8 days.
#6	881680	VALVE, Exhaust (AR required per assembly) (.015) Over Size
		881680 - Valve - .015 Os [ More info ] $79.58 Available to order: Usually ships within 8 days.
#6	881681	VALVE, Exhaust (AR required per assembly) (.030) Over Size
		881681 - Valve - .030 Os [ More info ] $79.25 Available to order: Usually ships within 8 days.
#7	850463	ROTATOR, Valve (8 required per assembly)
		850463 - Rotator [ More info ] $36.75 Available to order: Usually ships within 8 days.
#8	26-881637	SEAL, Valve Stem Oil (16 required per assembly)
		26-881637 - 26-881637 - SEAL O [ More info ] Unavailable Replaced by 26-881637T
		26-881637T - Seal [ More info ] $14.00 Available to order: Usually ships within 8 days.
#9	24-881672001	SPRING, Valve (16 required per assembly)
		24-881672001 - Spring [ More info ] $21.08 Available to order: Usually ships within 8 days.
#10	850464	CAP, Valve Spring (8 required per assembly)
		850464 - Cap [ More info ] $18.30 $15.67 Available to order: Usually ships within 8 days.
#11	28-54530	KEY, Valve Stem (32 required per assembly)
		28-54530 - Key - Priced Individually [ More info ] $1.80 Available to order: Usually ships within 8 days.
#12	850467	LIFTER, Valve (16 required per assembly)
		850467 - Lifter [ More info ] $126.42 Available to order: Usually ships within 8 days.
#13	845754	GUIDE, Valve Lifter (8 required per assembly)
		845754 - Guide - Lifter [ More info ] $6.10 1 in stock.
#14	881682	PUSH ROD, Intake (8 required per assembly)
		881682 - 881682 - PUSH ROD O [ More info ] Unavailable Replaced by -881682T
		881682T - Rod [ More info ] $38.25 Available to order: Usually ships within 8 days.
#14	881683	PUSH ROD, Exhaust (8 required per assembly)
		881683 - Rod [ More info ] $43.25 Available to order: Usually ships within 8 days.
#15	881686	GUIDE, Rocker Arm (8 required per assembly)
		881686 - Guide [ More info ] $14.40 Available to order: Usually ships within 8 days.
#16	16-881635	STUD (16 required per assembly)
		16-881635 - Stud [ More info ] $28.75 Available to order: Usually ships within 8 days.
#17	881687	ARM (16 required per assembly)
		881687 - Arm [ More info ] $40.29 2 in stock.
		881687T - Arm [ More info ] $76.75 Available to order: Usually ships within 8 days.
#18	58041	BALL (16 required per assembly)
		58041 - Ball [ More info ] $26.17 4 in stock.
#19	11-801883	NUT (12 required per assembly)
		11-801883 - Nut [ More info ] $12.30 5 in stock.
#20	22-75983	PLUG (2 required per assembly)
		22-75983 - Plug [ More info ] $5.50 3 in stock.
#21	10-881642A01	BOLT KIT (1 required per assembly)
		10-881642A01 - Head Bolt Kit [ More info ] $240.83 Available to order: Usually ships within 8 days.
#22	NSS	NOT SOLD SEPARATE, SCREW (M10x86) (AR required per assembly) Component Of 881642A01
		NSS - NOT SOLD SEPARATE O [ More info ] Unavailable
#24	27-881622	GASKET, Cylinder Head Cover (2 required per assembly)
		27-881622 - Gasket [ More info ] $55.17 Available to order: Usually ships within 8 days.
#25	891870	COVER, Cylinder Head (2 required per assembly)
		891870 - Cover [ More info ] $243.17 Available to order: Usually ships within 8 days.
#26	27-881621	GASKET (14 required per assembly)
		27-881621 - Gasket [ More info ] $22.75 Available to order: Usually ships within 8 days.
#27	10-881623	SCREW, (M6 x 1) (14 required per assembly)
		10-881623 - Bolt [ More info ] $25.25 Available to order: Usually ships within 8 days.
#28	84-891886	HARNESS ASSEMBLY, Ignition Coil Wiring (1 required per assembly)
		84-891886 - 84-891886 - HARNESS ASSEMBLY O [ More info ] Unavailable Replaced by 84-891886001
		84-891886001 - Harness Assembly [ More info ] $421.43 Available to order: Usually ships within 8 days.
#29	10-881648	BOLT, (M6 x 13) (4 required per assembly)
		10-881648 - Bolt [ More info ] $4.00 Available to order: Usually ships within 8 days.
#30	54-881722	CLIP, Wiring Harness (2 required per assembly)
		54-881722 - Clip [ More info ] $8.80 Available to order: Usually ships within 8 days.
#31	86-881723	CONNENCTOR, Harness to Harness (1 required per assembly)
		86-881723 - Connector [ More info ] $30.00 10+ in stock.
#32	392-889925	COIL, Ignition (8 required per assembly)
		392-889925 - Ignition Coil [ More info ] $157.92 Available to order: Usually ships within 8 days.
		18-7493 - Coil [ More info ] $122.99 $102.42 1 in stock.
		E18-0007 - Ignition Coil [ More info ] $115.49 $93.60 2 in stock.
#33	10-881647	SCREW (16 required per assembly)
		10-881647 - Bolt [ More info ] $17.80 $15.25 Available to order: Usually ships within 8 days.
#34	84-881698	WIRE KIT, (8 Leads), Spark Plug (1 required per assembly)
		84-881698 - Spark Plug Wire Kit [ More info ] $555.08 2 in stock.
		18-8838-1 - Wire Set, 84-881698 [ More info ] $588.49 $465.12 3 in stock.
#34	84-888740	WIRE, Individual, Spark Plug (4 required per assembly) Use with Cylinders 1, 2, 7 and 8
		84-888740 - Spark Plug Wire [ More info ] $144.50 In stock
#34	84-888741	WIRE, Individual, Spark Plug (4 required per assembly) Use with Cylinders 3, 4, 5 and 6
		84-888741 - Spark Plug Wire [ More info ] $132.58 Available to order: Usually ships within 8 days.
#35	33-863622001	SPARK PLUG (8 required per assembly)
		33-863622001 - SPARK PLUG O [ More info ] Unavailable
#36	866622	BRACKET, Coil (2 required per assembly)
		866622 - Bracket [ More info ] $35.25 Available to order: Usually ships within 8 days.
#37	10-40106 10	SCREW, (M6 x 10) Stainless Steel, Coil Bracket to Rocker Cover (12 required per assembly)
		10-40106 10 - Screw [ More info ] $1.70 Available to order: Usually ships within 8 days.
#38	10-40106 18	SCREW, (M6 x 18) Stainless Steel, Coil to Coil Bracket (8 required per assembly)
		10-40106 18 - Screw [ More info ] $2.86 Available to order: Usually ships within 8 days.
#NS	881720	RETAINER (2 Spark Plug Wire) (AR required per assembly)
		881720 - Retainer [ More info ] $4.60 Available to order: Usually ships within 8 days.
#NS	883924	RETAINER, Conduit (AR required per assembly)
		883924 - Spark Plug Retainer [ More info ] $5.70 Available to order: Usually ships within 8 days.