Parts for MerCruiser 350 Mag MPI Horizon Alpha / Bravo Cylinder Block (Flywheel Housing & Rear Main Seal)

Revise Search: All Models > 350 Mag MPI Horizon Alpha / Bravo > 0W310000 - 0W649999 > Cylinder Block (Flywheel Housing & Rear Main Seal)

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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	17-843379	PIN, Dowel (.6206/.6211 x 1.20), Flywheel Housing Location (2 required per assembly)
		17-843379 - PIN Dowel (.6206/ O NLA [ More info ] Unavailable
#2	19-34270	EXPANSION PLUG, (1.625), Engine Core Hole (8 required per assembly)
		19-34270 - Freeze Plug, 1-5/8 Inch [ More info ] $7.00 5 in stock.
#3	22-48340	PLUG, (.250-18 x .41), Oil Galley (4 required per assembly)
		22-48340 - Plug [ More info ] $2.70 10+ in stock.
		22-32561 - Plug - Priced Individually [ More info ] $4.70 10+ in stock.
#4	22-72640	PLUG, Expansion, Camshaft Bearing Hole (1 required per assembly)
		22-72640 - Plug [ More info ] $10.10 8 in stock.
#5	16-14827	STUD, (.250-20 x 2.180) (2 required per assembly)
		16-14827 - Stud [ More info ] $15.50 Available to order: Usually ships within 8 days.
#6	27-881715	GASKET, Crankshaft Oil Seal Housing (1 required per assembly)
		27-881715 - Gasket [ More info ] $13.60 1 in stock.
		18-0322-9 - Gasket 27-139376 2-Pack [ More info ] $22.98 $18.06 2 in stock.
#7	852940	HOUSING ASSEMBLY, With Studs, Crankshaft Oil Seal (1 required per assembly)
		852940 - Oil Seal Housing Assembly [ More info ] $168.33 Available to order: Usually ships within 8 days.
#8	26-852941	SEAL, Cranskshaft Oil (1 required per assembly)
		26-852941 - Seal [ More info ] $102.42 $58.99 5 in stock.
#9	16-11989	STUD, (.312-18 x 1.6718) (2 required per assembly)
		16-11989 - Stud [ More info ] $11.00 2 in stock.
#10	11-816730 1	NUT (1 required per assembly)
		11-816730 1 - Nut [ More info ] $2.40 10+ in stock.
		11-8M0098315 - NUT O [ More info ] Unavailable
#11	10-14242	BOLT, (.250-20 x .875) (2 required per assembly)
		10-14242 - Bolt, NLA [ More info ] $20.90 $14.12 10+ in stock.
#12	10-14243	BOLT, (.250-20 x 1.750) (1 required per assembly)
		10-14243 - 10-14243 - BOLT (.250-20 x 1 O [ More info ] Unavailable Replaced by 10-8M0064241
		10-8M0064241 - Bolt [ More info ] $4.10 Available to order: Usually ships within 8 days.
#13	11-11971	NUT, (.312-18) (2 required per assembly)
		11-11971 - Nut [ More info ] $10.80 Available to order: Usually ships within 8 days.
#14	17-14263	PIN, Dowel, Oil Seal Housing Location (1 required per assembly)
		17-14263 - Pin -Dowel, NLA [ More info ] $4.70 $3.18 10+ in stock.
#15	807260A 2	COVER KIT, Flywheel (1 required per assembly)
		807260A 2 - Cover Assembly [ More info ] $67.91 Available to order: Usually ships within 8 days.
#NS	11-807296	NUT, (.250-20) (2 required per assembly)
		11-807296 - Well Nut - Priced Individually [ More info ] $2.00 Available to order: Usually ships within 8 days.
#16	10-76596	SCREW, (.250-20 x 1.250) (2 required per assembly)
		10-76596 - Screw [ More info ] $1.70 Available to order: Usually ships within 8 days.
#17	222-9520	FLYWHEEL (1 required per assembly)
		222-9520 - 222-9520 - FLYWHEEL O [ More info ] Unavailable Replaced by 222-9520001
		222-9520001 - 222-9520001 - FLYWHEEL O [ More info ] Unavailable Replaced by 222-8M0047213
		222-8M0047213 - Flywheel [ More info ] $717.42 In stock
#18	17-43504	PIN, Dowel, Flywheel (2 required per assembly)
		17-43504 - Pin -Dowel [ More info ] $5.00 Available to order: Usually ships within 8 days.
#19	10-845757	SCREW, (.437-20 x 1.00) (6 required per assembly)
		10-845757 - Screw [ More info ] $4.20 Available to order: Usually ships within 8 days.
#20	18643A 5	COUPLING ASSEMBLY (1 required per assembly) (Alpha)
		18643A 5 - Coupling Assembly [ More info ] $316.66 In stock
#NS	22-74036	FITTING, Grease (1 required per assembly) (Alpha)
		22-74036 - Fitting - Priced Individually [ More info ] $3.60 10+ in stock.
#21	18644	BUMPER, Rubber (3 required per assembly) (Alpha)
		18644 - Bumper [ More info ] $2.70 Available to order: Usually ships within 8 days.
#22	10-14883	SCREW, (.375-16 x 1.12) (3 required per assembly) (Alpha)
		10-14883 - Screw [ More info ] $1.40 10+ in stock.
#23	12-13510	WASHER (3 required per assembly) (Alpha)
		12-13510 - Washer [ More info ] $3.10 2 in stock.
#24	861523A 9	COUPLER ASSEMBLY, Engine - Short Aluminum Hub (1 required per assembly) (Bravo and All Jacksahft Models)
		861523A 9 - 861523A 9 - COUPLER ASSEMBLY O [ More info ] Unavailable Replaced by -8M0098795
		8M0098795 - Coupler Assembly [ More info ] $599.92 In stock
		18-2412 - Coupler, Bravo [ More info ] $537.76 $455.41 In stock
#24	861523A11	COUPLER ASSEMBLY, Engine (OPT required per assembly) (Bravo) (Steel Hub for Work Application)
		861523A11 - Coupler Assembly [ More info ] $812.50 In stock
#25	22-49099	FITTING (2 required per assembly) (Bravo)
		22-49099 - Fitting [ More info ] $3.60 Available to order: Usually ships within 8 days.
#26	10-863480	SCREW, (.375-16 x 1.125) (6 required per assembly) (Bravo)
		10-863480 - Screw [ More info ] $2.60 Available to order: Usually ships within 8 days.
#28	865657A03	HOUSING ASSEMBLY, Flywheel, Flywheel (1 required per assembly) (Alpha/Bravo)
		865657A03 - Flywheel Housing [ More info ] $741.93 Available to order: Usually ships within 8 days.
#29	865329A02	MOUNT KIT, Rubber (1 required per assembly) (Alpha/Bravo)
		865329A02 - MOUNT KIT Rubber O NLA [ More info ] Unavailable
		8M0103028 - Mount Kit [ More info ] $53.16 4 in stock.
#30	23-99322	SPACER (2 required per assembly)
		23-99322 - Spacer [ More info ] $4.60 10+ in stock.
#31	10-97934	SCREW, (.500-20 x 5.370) Special (2 required per assembly)
		10-97934 - Screw [ More info ] $4.30 Available to order: Usually ships within 8 days.
		18-3729 - Bolt, 10-97934 - Special Order - No Returns [ More info ] $16.99 In stock - special order item.
#32	12-35777	WASHER, (.5156 x 1.375 x .125) Aluminum (2 required per assembly)
		12-35777 - Washer - Priced Individually [ More info ] $1.80 10+ in stock.
#33	23-99299	SPACER, (.520 x .870 x .630) (2 required per assembly)
		23-99299 - Spacer [ More info ] $5.40 10+ in stock.
#34	13-35048	LOCKWASHER, (.375) (2 required per assembly)
		13-35048 - LockWasher - Priced Individually [ More info ] $0.90 10+ in stock.
#35	16-64066	STUD, (.375-16 x 2.750) Special (2 required per assembly)
		16-64066 - Stud [ More info ] $4.70 1 in stock.
#35	16-861316	STUD (2 required per assembly) (Horizon)
		16-861316 - Stud [ More info ] $10.80 Available to order: Usually ships within 8 days.
#36	11-863332	NUT, (.500-20) Aluminum (2 required per assembly)
		11-863332 - Nut [ More info ] $4.80 1 in stock.
		18-3728 - Nut, 11-99298, 11-863332 [ More info ] $4.49 $3.45 2 in stock.
#37	12-20572	WASHER, (.390 x .750 x .093) (1 required per assembly)
		12-20572 - Washer [ More info ] $1.10 $0.62 2 in stock.
#38	10-37612	SCREW, (.375-16 x 1.250) (3 required per assembly)
		10-37612 - Screw - Priced Individually [ More info ] $1.60 Available to order: Usually ships within 8 days.
#38	10-32132	SCREW, (.375-16 x 1.750) (1 required per assembly)
		10-32132 - Screw [ More info ] $2.10 10+ in stock.
#39	11-32219	NUT, (.375-16) (1 required per assembly)
		11-32219 - Nut - Priced Individually [ More info ] $2.00 9 in stock.
#40	84-62826A 6	CABLE ASSEMBLY, Ground (13.00 Inches) Black (2 required per assembly)
		84-62826A 6 - Cable Assembly [ More info ] $12.44 3 in stock.
		84-62826T06 - Cable Assembly [ More info ] $15.30 Available to order: Usually ships within 8 days.