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Parts for MerCruiser 350 Mag MPI Horizon Alpha / Bravo Cylinder Block & Flywheel Housing

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 17-843379 PIN, Dowel (.6206/.6211 x 1.20), Flywheel Housing Location (2 required per assembly)
ORD 8M0092110     O NLA  
17-843379 ORD 8M0092110 O NLA
(more info)
    UnavailableUnavailable Parts
#2 19-34270 EXPANSION PLUG, (1.625), Engine Core Hole (8 required per assembly)
EXPANSION PLUG (1 19-34270 19-34270
19-34270OEM Part 19-34270 - Freeze Plug, 1-5/8 Inch (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
2 in stock. Explain stock levels
#3 22-48340 PLUG, (.250-18 x .41), Oil Galley (4 required per assembly)
2232561 22-48340  
22-48340OEM Part 22-48340 - Plug (more info) About Mercury Marine $2.70 $2.70 Add to shopping cart
10+ in stock. Explain stock levels
PLUG Pipe - Allen 22-32561 22-32561
22-32561OEM Part 22-32561 - Plug - Priced Individually (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
10+ in stock. Explain stock levels
#4 22-72640 PLUG, Expansion, Camshaft Bearing Hole (1 required per assembly)
PLUG 22-72640  
22-72640OEM Part 22-72640 - Plug (more info) About Mercury Marine $9.90 $9.90 Add to shopping cart
10+ in stock. Explain stock levels
#5 16-14827 STUD, (.250-20 x 2.180) (2 required per assembly)
STUD (.250-20 x 2 16-14827  
16-14827OEM Part 16-14827 - Stud (more info) About Mercury Marine $11.10 $11.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 27-881715 GASKET, Crankshaft Oil Seal Housing (1 required per assembly)
GASKET 27-881715 27-881715
27-881715OEM Part 27-881715 - Gasket (more info) About Mercury Marine $13.30 $13.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0322-9
18-0322-9OEM Match 18-0322-9 - Gasket 27-139376 2-Pack (more info)
Replaces OEM #3852656
About Sierra Marine $22.98 $18.06 Add to shopping cart
1 in stock. Explain stock levels
#7 852940 HOUSING ASSEMBLY, With Studs, Crankshaft Oil Seal (1 required per assembly)
HOUSING ASSEMBLY 852940 852940
852940OEM Part 852940 - Oil Seal Housing Assembly (more info) About Mercury Marine $131.83 $131.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 26-852941 SEAL, Crankshaft Oil (1 required per assembly)
SEAL 26-852941 26-852941
26-852941OEM Part 26-852941 - Seal (more info) About Mercury Marine $99.92 $99.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 16-11989 STUD, (.312-18 x 1.6718) (2 required per assembly)
STUD (.312-18 x 1 16-11989  
16-11989OEM Part 16-11989 - Stud (more info) About Mercury Marine $10.70 $10.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 11-816730 NUT, (.250-20) (1 required per assembly)
NUT               * - Replaced by 11-816730  1  
11-816730This part has been superseded. NUT * - Replaced by 11-816730 1
(more info)
    UnavailableUnavailable Parts
NUT  
11-816730 1OEM Part 11-816730 1 - Nut (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
10+ in stock. Explain stock levels
NUT               O  
11-8M0098315 NUT O
(more info)
    UnavailableUnavailable Parts
#11 10-14242 BOLT, (.250-20 x .875) (2 required per assembly)
BOLT (.250-20 x . 10-14242  
10-14242OEM Part 10-14242 - Bolt, NLA (more info) About Mercury Marine $10.70 $7.23 Add to shopping cart
10+ in stock. Explain stock levels
#12 10-14243 BOLT, (.250-20 x 1.750) (1 required per assembly)
BOLT              O - Replaced by 10-8M0064241  
10-14243This part has been superseded. BOLT O - Replaced by 10-8M0064241
(more info)
    UnavailableUnavailable Parts
BOLT 10-8M0064241  
10-8M0064241OEM Part 10-8M0064241 - Bolt (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 11-11971 NUT, (.312-18) (2 required per assembly)
NUT (.312-18) 11-11971 11-11971
11-11971OEM Part 11-11971 - Nut (more info) About Mercury Marine $10.50 $10.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 17-14263 PIN, Dowel, Dowel - Oil Seal Housing Locating (1 required per assembly)
PIN Dowel 17-14263  
17-14263OEM Part 17-14263 - Pin -Dowel, NLA (more info) About Mercury Marine $3.50 $2.37 Add to shopping cart
10+ in stock. Explain stock levels
#15 807260A 2 COVER KIT, Flywheel (1 required per assembly)
COVER KIT Flywhee 807260A 2 807260A 2
807260A 2OEM Part 807260A 2 - Cover Assembly (more info) About Mercury Marine $65.58 $65.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#NS 11-807296 NUT, (.250-20) (2 required per assembly)
NUT (.250-20) 11-807296  
11-807296OEM Part 11-807296 - Well Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-76596 SCREW, (.250-20 x 1.250) (2 required per assembly)
SCREW (.250-20 x 10-76596 10-76596
10-76596OEM Part 10-76596 - Screw (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 222-9520 FLYWHEEL (1 required per assembly)
FLYWHEEL          O - Replaced by 222-9520001  
222-9520This part has been superseded. FLYWHEEL O - Replaced by 222-9520001
(more info)
    UnavailableUnavailable Parts
FLYWHEEL          O - Replaced by 222-8M0047213  
222-9520001This part has been superseded. FLYWHEEL O - Replaced by 222-8M0047213
(more info)
    UnavailableUnavailable Parts
FLYWHEEL 222-8M0047213  
222-8M0047213OEM Part 222-8M0047213 - Flywheel (more info) About Mercury Marine $699.92 $699.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 17-43504 PIN, Dowel, Flywheel (2 required per assembly)
PIN Dowel 17-43504  
17-43504OEM Part 17-43504 - Pin -Dowel (more info) About Mercury Marine $4.90 $4.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 10-845757 SCREW, (.437-20 x 1.00) (6 required per assembly)
SCREW (.437-20 x 10-845757 10-845757
10-845757OEM Part 10-845757 - Screw (more info) About Mercury Marine $4.10 $4.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 18643A 5 COUPLING ASSEMBLY (1 required per assembly) (Alpha)
ENGINE COUPLER-TRIANGULAR   MZ 18643A 5
18643A 5OEM Part 18643A 5 - Coupling Assembly (more info) About Mercury Marine $308.33 $308.33 Add to shopping cart
10+ in stock. Explain stock levels
Engine Coupler 18-2323
18-2323OEM Match 18-2323 - Coupler, 18643A5 (more info) About Sierra Marine $315.41 $254.24 Add to shopping cart
3 in stock. Explain stock levels
#NS 22-74036 FITTING, Grease (1 required per assembly) (Alpha)
FITTING Grease 22-74036  
22-74036OEM Part 22-74036 - Fitting - Priced Individually (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
6 in stock. Explain stock levels
#21 18644 BUMPER, Rubber (3 required per assembly) (Alpha)
BUMPER Rubber 18644 18644
18644OEM Part 18644 - Bumper (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
6 in stock. Explain stock levels
#22 10-14883 SCREW, (.375-16 x 1.12) (3 required per assembly) (Alpha)
SCREW (.375-16 x 10-14883 10-14883
10-14883OEM Part 10-14883 - Screw (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 12-13510 WASHER (3 required per assembly) (Alpha)
WASHER 12-13510  
12-13510OEM Part 12-13510 - Washer (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
2 in stock. Explain stock levels
#24 861523A 9 COUPLER ASSEMBLY, Engine - Short Aluminum Hub (1 required per assembly) (Bravo and All Jackshaft Models)
COUPLER ASSY      O - Replaced by -8M0098795 861523A 9
861523A 9This part has been superseded. COUPLER ASSY O - Replaced by -8M0098795
(more info)
    UnavailableUnavailable Parts
COUPLER ASSEMBLY 8M0098795  
8M0098795OEM Part 8M0098795 - Coupler Assembly (more info) About Mercury Marine $583.25 $583.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
Engine Coupler 18-2412
18-2412OEM Match 18-2412 - Coupler, Bravo (more info) About Sierra Marine $537.76 $455.41 Add to shopping cart
4 in stock. Explain stock levels
#24 861523A11 COUPLER ASSEMBLY, Engine (OPT required per assembly) (Bravo)(Steel Hub For Work Application)
COUPLER ASSEMBLY 861523A11 861523A11
861523A11OEM Part 861523A11 - Coupler Assembly (more info) About Mercury Marine $786.67 $786.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 22-49099 FITTING (2 required per assembly) (Bravo)
FITTING 22-49099  
22-49099OEM Part 22-49099 - Fitting (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 10-863480 SCREW, (.375-16 x 1.125) (6 required per assembly) (Bravo)
SCREW (.375-16 x 10-863480 10-863480
10-863480OEM Part 10-863480 - Screw (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 12675A 5 HOUSING ASSEMBLY, Flywheel, Flywheel (1 required per assembly) SN# 0M659999 & Below
HSG ASSY-FLYWHEEL O - Replaced by -865657A03 12675A 5
12675A 5This part has been superseded. HSG ASSY-FLYWHEEL O - Replaced by -865657A03
(more info)
    UnavailableUnavailable Parts
HOUSING ASSEMBLY 865657A03 865657A03
865657A03OEM Part 865657A03 - Flywheel Housing (more info) About Mercury Marine $716.86 $716.86 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 12675A16 HOUSING ASSEMBLY, Flywheel, Flywheel (1 required per assembly) SN# 0M660000 & Up
HSG ASSY-FLYWHEEL O - Replaced by -865657A03  
12675A16This part has been superseded. HSG ASSY-FLYWHEEL O - Replaced by -865657A03
(more info)
    UnavailableUnavailable Parts
#28 12675A 7 HOUSING ASSEMBLY, Flywheel, Flywheel (1 required per assembly) SN# 0M659999 & Below
HSG ASSY-FLYWHEEL O - Replaced by -865657A04  
12675A 7This part has been superseded. HSG ASSY-FLYWHEEL O - Replaced by -865657A04
(more info)
    UnavailableUnavailable Parts
HOUSING ASSEMBLY 865657A04 865657A04
865657A04OEM Part 865657A04 - Flywheel Housing Assembly (more info) About Mercury Marine $740.71 $740.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 12675A18 HOUSING ASSEMBLY, Flywheel, Flywheel (1 required per assembly) SN# 0M660000 & Up
HSG ASSY-FLYWHEEL O - Replaced by -865657A04  
12675A18This part has been superseded. HSG ASSY-FLYWHEEL O - Replaced by -865657A04
(more info)
    UnavailableUnavailable Parts
#29 99297A 1 MOUNT ASSEMBLY, Rubber (2 required per assembly) SN# 0M659999 & Below
ORD 865329A02     O NLA 99297A 1
99297A 1 ORD 865329A02 O NLA
(more info)
    UnavailableUnavailable Parts
Rear Engine Mount 18-2193
18-2193OEM Match 18-2193 - Engine Mount 99297A1 (more info) About Sierra Marine $39.99 $32.21 Add to shopping cart
2 in stock. Explain stock levels
8M0103028 865329A02 865329A02
865329A02OEM Part 865329A02 - Mount Kit (more info) About Mercury Marine $38.00 $38.00 Add to shopping cart
3 in stock. Explain stock levels
#29 865329A01 MOUNT, Rubber (1 required per assembly) SN# 0M660000 & Up
ORD 865329A02     O NLA  
865329A01 ORD 865329A02 O NLA
(more info)
    UnavailableUnavailable Parts
#29 88791A 1 MOUNT KIT, Rubber (2 required per assembly) SN# 0M659999 & Below
865330A02 88791A 1  
88791A 1OEM Part 88791A 1 - Mount, Rubber, NLA (more info) About Mercury Marine $49.00 $49.00 Add to shopping cart
1 in stock. Explain stock levels
MOUNT KIT Rubber 865330A02 865330A02
865330A02OEM Part 865330A02 - Mount Kit (more info) About Mercury Marine $71.25 $71.25 Add to shopping cart
1 in stock. Explain stock levels
#29 865330A01 MOUNT, Rubber (1 required per assembly) SN# 0M660000 & Up
ORD 865330A02     O NLA  
865330A01 ORD 865330A02 O NLA
(more info)
    UnavailableUnavailable Parts
#30 23-99322 SPACER (2 required per assembly)
SPACER 23-99322 23-99322
23-99322OEM Part 23-99322 - Spacer (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
10+ in stock. Explain stock levels
#31 10-97934 SCREW, (.500-20 x 5.370) Special (2 required per assembly)
SCREW (.500-20 x 10-97934 10-97934
10-97934OEM Part 10-97934 - Screw (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
6 in stock. Explain stock levels
Motor Mount Bolt 18-3729
18-3729 18-3729 - Bolt, 10-97934 - Special Order - No Returns (more info)     UnavailableUnavailable Parts
#32 12-35777 WASHER, (.5156 x 1.375 x .125) Aluminum (2 required per assembly)
WASHER (.5156 x 1 12-35777 12-35777
12-35777OEM Part 12-35777 - Washer - Priced Individually (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
10+ in stock. Explain stock levels
#33 23-99299 SPACER, (.520 x .870 x .630) (2 required per assembly)
SPACER (.520 x .8 23-99299 23-99299
23-99299OEM Part 23-99299 - Spacer (more info) About Mercury Marine $5.30 $5.30 Add to shopping cart
7 in stock. Explain stock levels
#34 12-32834 WASHER, (.9375 x 1.750 x .172) (2 required per assembly) SN# 0M659999 & Below
WASHER (.9375 x 1 12-32834 12-32834
12-32834OEM Part 12-32834 - Washer - Priced Individually (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
6 in stock. Explain stock levels
Fiber Washer 18-0681-9
18-0681-9OEM Match 18-0681-9 - Washer, 12-32834, 3PK (more info) About Sierra Marine $13.47 $10.34 Add to shopping cart
1 in stock. Explain stock levels
#35 13-33734 LOCKWASHER, (.500) (2 required per assembly) SN# 0M659999 & Below
LOCKWASHER (.500) 13-33734 13-33734
13-33734OEM Part 13-33734 - LockWasher - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#36 11-863332 NUT, (.500-20) Aluminum (2 required per assembly)
NUT (.500-20) Alu 11-863332 11-863332
11-863332OEM Part 11-863332 - Nut (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
Lock Nut 18-3728
18-3728OEM Match 18-3728 - Nut, 11-99298, 11-863332 (more info) About Sierra Marine $4.49 $3.45 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 12-20572 WASHER, (.390 x .750 x .093) (1 required per assembly)
WASHER (.390 x .7 12-20572  
12-20572OEM Part 12-20572 - Washer (more info) About Mercury Marine $1.10 $0.62 Add to shopping cart
9 in stock. Explain stock levels
#38 10-37612 SCREW, (.375-16 x 1.250) (1 required per assembly)
SCREW (.375-16 x 10-37612 10-37612
10-37612OEM Part 10-37612 - Screw - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
10+ in stock. Explain stock levels
#38 10-32132 SCREW, (.375-16 x 1.750) (1 required per assembly)
SCREW (.375-16 x 10-32132 10-32132
10-32132OEM Part 10-32132 - Screw (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
2 in stock. Explain stock levels
#39 11-32219 NUT, (.375-16) (2 required per assembly)
NUT (.375-16) 11-32219 11-32219
11-32219OEM Part 11-32219 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#40 84-62826A 6 CABLE ASSEMBLY, Ground (13.00 Inches) Black (2 required per assembly)
CABLE ASSY        O - Replaced by 84-62826T06  
84-62826A 6This part has been superseded. CABLE ASSY O - Replaced by 84-62826T06
(more info)
    UnavailableUnavailable Parts
CABLE ASSEMBLY Gr 84-62826T06  
84-62826T06OEM Part 84-62826T06 - Cable Assembly (more info) About Mercury Marine $14.80 $14.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#41 13-35048 LOCKWASHER, (.375) (2 required per assembly)
LOCKWASHER (.375) 13-35048 13-35048
13-35048OEM Part 13-35048 - LockWasher - Priced Individually (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
10+ in stock. Explain stock levels
#42 16-64066 STUD, (.375-16 x 2.750) Special (2 required per assembly)
STUD (.375-16 x 2 16-64066  
16-64066OEM Part 16-64066 - Stud (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
10+ in stock. Explain stock levels
#42 16-861316 STUD (2 required per assembly) (HORIZON)
STUD 16-861316  
16-861316OEM Part 16-861316 - Stud (more info) About Mercury Marine $10.40 $10.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#43 12-892619A01 SHIM KIT, Rear Engine Mount (1 required per assembly) Where Applicable SN# 0M660000 & Up
SHIM KIT 12-892619A01  
12-892619A01OEM Part 12-892619A01 - Shim Kit (more info) About Mercury Marine $10.90 $10.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-861246A98 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET        O - Replaced by 27-861246A05  
27-861246A98This part has been superseded. GASKET SET O - Replaced by 27-861246A05
(more info)
    UnavailableUnavailable Parts
GASKET SET 27-861246A05 27-861246A05
27-861246A05OEM Part 27-861246A05 - Gasket Set (more info) About Mercury Marine $458.33 $458.33 Add to shopping cart
Available to order:
Usually ships
within 8 days