Parts for Mercury Mark & Kiekhaefer Mark 20, 15, KH7, WG7 Crankcase Assembly

Revise Search: All Models > Mark 20, 15, KH7, WG7 > All Serial Numbers > Crankcase Assembly

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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 ]

#	20517	PLATE, CRANKCASE BOTTOM (1,1,1 required per assembly)
		20517 - Plate [ More info ] $2.50 7 In Stock.
#	23111	CHECK VALVE AND CONNECTOR, AIR LINE (1,1, required per assembly)
		23111 - CONNECTOR,NLA [ More info ] Unavailable
#	54-22976	CLAMP, HOSE (,2,2 required per assembly)
		54-22976 - Hose Clamp [ More info ] $1.50 10+ In Stock.
#	27-20516	GASKET, CRANKCASE BOTTOM TO PLATE (SEE NOTE BELOW) (1,1,1 required per assembly)
		27-20516 - Crankcase Bottom To Plate Gasket [ More info ] Unavailable
#	32-23024	AIR LINE, PRESSURE RELIEF (,,1 required per assembly)
		32-23024 - Hose - Pressure Relief [ More info ] Unavailable
		32-32840A 1 - Hose - Bleed - Cylinder Block [ More info ] Unavailable
		32-52742A 1 - Hose Assembly [ More info ] Unavailable
		32-26980 88 - Fuel Line, Enricher Valve [ More info ] Unavailable
		32-99126 88 - Tubing - 36 Inch [ More info ] $29.61 5 In Stock.
#	917-478	CRANKCASE (1,, required per assembly)
		917-478 - Crankcase [ More info ] Unavailable
#	23112	COVER, PRESSURE VALVE (,,1 required per assembly)
		23112 - Cover [ More info ] $0.95 5 In Stock.
		25833 - Cover, NLA [ More info ] Unavailable
#1	917-478A 1	CRANKCASE ASSEMBLY (1,, required per assembly)
		917-478A 1 - Crankcase [ More info ] Unavailable
#1	902-42A 1	CRANKCASE ASSEMBLY (,1,1 required per assembly)
		90242A 1 - Choke Knob, NLA [ More info ] Unavailable
#2	26-20465	OIL SEAL (1,1,1 required per assembly)
		26-20465 - Oil Seal - Priced Individually [ More info ] Unavailable
		26-31507 - OIL Seal , Priced Individually [ More info ] Unavailable
		26-79884 - Oil Seal [ More info ] Unavailable
		26-16977 - Seal [ More info ] $21.01 2 In Stock.
		18-2026 - Seal, 321453 [ More info ] $15.99 $15.95 10+ In Stock.
		18-2013 - Seal, 26-16977 [ More info ] $15.99 $14.42 8 In Stock.
#3	31-21700	BEARING, ROLLER (1,, required per assembly)
		31-21700 - Roller Bearing - Bearing Carrier [ More info ] $18.60 6 In Stock.
#3	31-20463	BEARING, ROLLER (,1,1 required per assembly)
		31-20463 - Roller Bearing, NLA [ More info ] $8.00 10+ In Stock.
#4	30-20464	BEARING, BALL (1,1,1 required per assembly)
		30-20464 - Ball Bearing [ More info ] Unavailable
		30-63326 - Ball Bearing [ More info ] Unavailable
		30-63326T - Ball Bearing [ More info ] $25.83 Available to Order: Usually ships within 10 days.
		18-1153 - Bearing 30-63326 [ More info ] $22.45 $18.71 In Stock
#5	16-20469	STUD, CRANKCASE TO COWL MOUNTING BRACKET (,4,4 required per assembly)
		16-20469 - STUD [ More info ] Unavailable
		16-68169 - Stud, NLA [ More info ] Unavailable
#6	16-20468	STUD, CRANKCASE TO CARBURETOR (2,2,2 required per assembly)
		16-20468 - STUD,NLA [ More info ] Unavailable
#7	16-20466	STUD, CRANKCASE TO DRIVE SHAFT HOUSING (2,2,2 required per assembly)
		16-20466 - STUD,NLA [ More info ] Unavailable
#8	16-20467	STUD, CRANKCASE TO CRANKCASE BOTTOM (2,2,2 required per assembly)
		16-20467 - STUD [ More info ] Unavailable
#9	13-26992	LOCKWASHER, CRANKCASE BOTTOM STUD (2,2,2 required per assembly)
		13-26992 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#10	11-20088	NUT, CRANKCASE BOTTOM STUD (2,2,2 required per assembly)
		11-20088 - Nut (.250X28) [ More info ] $2.77 10+ In Stock.
#11	10-20089	SCREW, CENTER MAIN BEARING LOCKING (1,1,1 required per assembly)
		10-20089 - Screw, NLA [ More info ] $2.50 10+ In Stock.
#12	14-20091	TAB WASHER, CENTER MAIN BEARING LOCKING SCREW (1,1,1 required per assembly)
		14-20091 - Tab Washer - Priced Individually [ More info ] $1.70 10+ In Stock.
#13	1103-50A 1	CRANKCASE BOTTOM ASSEMBLY (1,, required per assembly)
		1103-50A 1 - Crankcase [ More info ] Unavailable
#13	1103-49A 1	CRANKCASE BOTTOM ASSEMBLY (SEE NOTE BELOW) (,1,1 required per assembly)
		1103-49A 1 - Crankcase [ More info ] Unavailable
#14	26-20513	OIL SEAL (1,, required per assembly)
		26-20513 - Oil Seal, NLA [ More info ] Unavailable
#14	26-20948	OIL SEAL (,1,1 required per assembly)
		26-20948 - Seal, NLA [ More info ] $22.21 10+ In Stock.
#15	15-20514	SHIM, BALL BEARING (.002-3-5-10) (AR,AR,AR required per assembly)
#17	27-20515	GASKET, CRANKCASE BOTTOM TO CRANKCASE (1,1,1 required per assembly)
		27-20515 -Crankcase Bottom To Crankcase Gasket [ More info ] $3.33 10+ In Stock.
#18	11-20509	NUT, BRACKET STUD (,1,1 required per assembly)
		11-20509 - Nut, (3/8X24) [ More info ] Unavailable
		11-34863 - Nut (3/8-24) [ More info ] $1.49 10+ In Stock.
		11-826709113 - Nut, (.375-24) Stainless Steel [ More info ] Unavailable
		11-8M0042636 - Nut - Brass , Priced Individually [ More info ] Unavailable
		118M0204726 - NUT-BRASS Note: Priced Individually [ More info ] $1.70 10 In Stock.
#19	12-20572	WASHER, BRACKET STUD (,1,1 required per assembly)
		12-20572 - Washer, (.390 X .750 X .093) [ More info ] $1.50 4 In Stock.
#20	23-20571	BUSHING, BRACKET STUD (,1,1 required per assembly)
		23-20571 - BUSHING,NLA [ More info ] Unavailable
#21	20570	PLATE, COWL MOUNTING (,1,1 required per assembly)
		20570 - Plate, NLA [ More info ] Unavailable
#22	12-20551	WASHER, RUBBER = PLATE TO STARBOARD BRACKET (,1,1 required per assembly)
		12-20551 - WASHER,NLA [ More info ] Unavailable
#23	12-20028	WASHER, COWL MOUNTING STUD (,4,4 required per assembly)
		12-20028 - Washer, (.265 X .437 X .060) [ More info ] $1.70 Available to Order: Usually ships within 10 days.
#24	20549A 1	FRONT STARBOARD BRACKET ASSEMBLY (,1,1 required per assembly)
		20549A 1 - Bracket Assembly, NLA [ More info ] $10.00 3 In Stock.
#25	23-26348	BUSHING, COWL MOUNTING STUD (,1,1 required per assembly)
		23-26348 - Bushing , NLA [ More info ] Unavailable
#26	16-20550	STUD, COWL MOUNTING PLATE TO BRACKET (,1,1 required per assembly)
		16-20550 - STUD,NLA [ More info ] Unavailable
#28	11-20184	NUT, BRACKET MOUNTING STUD (STARBOARD) (,2,2 required per assembly)
		11-20184 - Nut, (1/4-28x7/32) [ More info ] $1.70 7 In Stock.
#29	12-20346	WASHER, COWL MOUNTING STUD (,2,2 required per assembly)
		12-20346 - Washer, 3/4 O.D. [ More info ] Unavailable
		12-69057 - Washer, (.281 X .734 X .063) [ More info ] $1.70 10+ In Stock.
#30	11-20361	NUT, COWL MOUNTING STUD (,2,2 required per assembly)
		118267089 [ More info ] $1.00 10+ In Stock.
		11-826708 9 - Nut - Priced Individually [ More info ] $1.40 10+ In Stock.
		18-3722-9 - Lock Nut, 121731, 11-35888, Pack of 5 [ More info ] $11.99 $6.88 Available to Order: Usually ships within 10 days.
#33	20573A 1	FRONT PORT BRACKET ASSEMBLY (,1,1 required per assembly)
		20573A 1 - Bracket Assembly, NLA [ More info ] $2.50 7 In Stock.
#35	12-20546	WASHER, CYLINDER BLOCK TO CRANKCASE STUD (6,6,6 required per assembly)
		12-20546 - Washer, (.330 X .500 X .060) [ More info ] Unavailable
#36	11-20083	NUT, CYLINDER BLOCK TO CRANKCASE STUD (6,6,6 required per assembly)
		11-20083 - Nut, Starter Solenoid Terminal (5/16X24) [ More info ] $1.22 10+ In Stock.
		11-22053 - Nut (5/16x24) [ More info ] $2.50 10+ In Stock.
#37	20038	COVER, PRESSURE VALVE (,1,1 required per assembly)
		20038 - Cover [ More info ] Unavailable
#38	10-20041	SCREW, PRESSURE VALVE COVER TO CRANKCASE (,3,3 required per assembly)
		10-20041 - Screw, NLA [ More info ] $1.39 6 In Stock.
#39	13-26996	LOCKWASHER, PRESSURE VAVLE COVER SCREW (,3,3 required per assembly)
		13-26996 - LockWasher - Priced Individually [ More info ] $1.20 10+ In Stock.
#40	27-20039	GASKET, PRESSURE VALVE COVER TO CRANKCASE (,1,1 required per assembly)
		27-20039 - Pressue Valve Gasket [ More info ] $3.76 10+ In Stock.
#41	34-20035	REED, PRESSURE VALVE (,1,1 required per assembly)
		34-20035 - Reed, NLA [ More info ] $2.21 5 In Stock.
#42	34-20036	STOP, REDD (,1,1 required per assembly)
		34-20036 - REED STOP,NLA [ More info ] $1.25 1 In Stock.
#43	10-20037	SCREW, REED STOP (,2,2 required per assembly)
		10-20037 - Screw - Priced Individually [ More info ] $1.43 10+ In Stock.
		10-43725 - Screw [ More info ] $1.70 Available to Order: Usually ships within 10 days.
#44	32-20476	AIR LINE, PRESSURE VALVE COVER TO RECEPTACLE (,1,1 required per assembly)
		32-20476 - AIR LINE [ More info ] Unavailable
		32-49471 - Fuel Line, NLA [ More info ] Unavailable
#45	24-20477	SPRING, AIR LINE (,1,1 required per assembly)
		24-20477 - Spring, Air Line,NLA [ More info ] Unavailable