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Parts for Mariner 20C (Thru Prop. Exhaust) Crankcase & Cylinder Head

#1 870-9359M CRANKCASE ASS'Y (1 required per assembly)
870-9359M - CRANKCASE ASSEMBL  NLA
 

About Mercury Marine

OEM Part

870-9359M - CRANKCASE ASSEMBL NLA [ More info ]
Unavailable
#2 22-80122M FITTING, CRANKCASE DRAIN (1 required per assembly)
FITTING 22-80122M
 

About Mercury Marine

OEM Part

22-80122M - Fitting - Priced Individually, NLA [ More info ]

Add to shopping cart $1.50
6 In Stock.

#3 21-80727M CHECK VALVE ASS'Y (1 required per assembly)
CHECK VALVE,NLA 21-80727M
21-80727M

About Mercury Marine

OEM Part

21-80727M - Check Valve, NLA [ More info ]

Add to shopping cart $25.54
10+ In Stock.

#4 21-80107M CHECK VALVE (1 required per assembly)
CHECK VALVE,NLA 21-80107M
 

About Mercury Marine

OEM Part

21-80107M - Check Valve, NLA [ More info ]

Add to shopping cart $2.00
10+ In Stock.

#5 10-41884M BOLT W/WASHER (8 required per assembly)
10-41884M - BOLT (M8 x 55)     - Replaced by 10-8M0101617
10-41884M

This part has been superseded.

10-41884M - 10-41884M - BOLT (M8 x 55) [ More info ]
Unavailable
Replaced by 10-8M0101617
10-8M0101617 - BOLT
 

About Mercury Marine

OEM Part

10-8M0101617 - BOLT [ More info ]
Unavailable
#6 10-41885M BOLT W/WASHER (2 required per assembly)
BOLT,NLA 10-41885M
 

About Mercury Marine

OEM Part

10-41885M - Bolt, NLA [ More info ]

Add to shopping cart $6.67
10+ In Stock.

#7 10-95209M SCREW (1 required per assembly)
SCREW,NLA 10-95209M
 

About Mercury Marine

OEM Part

10-95209M - Screw, NLA [ More info ]

Add to shopping cart $1.67
10+ In Stock.

#8 17-82364M PIN, DOWEL (2 required per assembly)
PIN-DOWEL,NLA 17-82364M
 

About Mercury Marine

OEM Part

17-82364M - Pin -Dowel - Priced Individually [ More info ]

Add to shopping cart $3.75
10+ In Stock.

#9 84732M ANODE (1 required per assembly)
ANODE 97-84732M
 

About Mercury Marine

OEM Part

9784732M - Anode, Zinc [ More info ]

Add to shopping cart $7.78
3 In Stock.

#10 32-82000M HOSE (1 required per assembly)
32-82000M - HOSE               - Replaced by 32-811045M
 

This part has been superseded.

32-82000M - 32-82000M - HOSE [ More info ]
Unavailable
Replaced by 32-811045M
32-811045M - HOSE               NLA
 

About Mercury Marine

OEM Part

32-811045M - HOSE NLA [ More info ]
Unavailable
#11 54-82046M CLAMP, HOSE (2 required per assembly)
CLIP,NLA 54-82046M
 

About Mercury Marine

OEM Part

54-82046M - Clip, NLA [ More info ]

Add to shopping cart $1.25
10+ In Stock.

#12 81564M HOUSING, OIL SEAL (UPPER) (1 required per assembly)
81564M - HOUSING            NLA
 

About Mercury Marine

OEM Part

81564M - Housing, NLA [ More info ]
Unavailable
#13 26-82245M OIL SEAL, CRANKSHAFT (UPPER) (1 required per assembly)
SEAL,NLA 26-82245M
26-82245M

About Mercury Marine

OEM Part

26-82245M - Seal, NLA [ More info ]

Add to shopping cart $17.99
10+ In Stock.

#14 27-81565M GASKET, OIL SEAL HOUSING (1 required per assembly)
GASKET,NLA 27-81565M
 

About Mercury Marine

OEM Part

27-81565M - Oil Seal Housing Gasket [ More info ]

Add to shopping cart $4.40
10+ In Stock.

#15 12-82214M WASHER (11 required per assembly)
WASHER 12-82214M
 

About Mercury Marine

OEM Part

12-82214M - Washer - Priced Individually [ More info ]

Add to shopping cart $4.90
10+ In Stock.

#16 968-8374M HEAD, CYLINDER (1 required per assembly)
968-8374M - HEAD               NLA
 

About Mercury Marine

OEM Part

968-8374M - HEAD NLA [ More info ]
Unavailable
#17 27-81555M GASKET, CYLINDER HEAD (1 required per assembly)
27-81555M - GASKET             - Replaced by 27-81555
 

This part has been superseded.

27-81555M - 27-81555M - GASKET [ More info ]
Unavailable
Replaced by 27-81555
GASKET 27-81555
27-81555

About Mercury Marine

OEM Part

27-81555 - Gasket [ More info ]

Add to shopping cart $41.92
Available to Order: Usually ships within 10 days.

#19 11752M THERMOSTAT (1 required per assembly)
11752M - THERMOSTAT         - Replaced by -814554M
 

11752M - Thermostat [ More info ]
Unavailable
814554M - THERMOSTAT         - Replaced by -814554001
 

814554M - Thermostat [ More info ]
Unavailable
814554001 - THERMOSTAT         - Replaced by -814554T01
814554001

814554001 - Thermostat [ More info ]
Unavailable
THERMOSTAT YAM# 6F5-12411-03-00 814554T01
814554T01

About Mercury Marine

OEM Part

814554T01 - Thermostat [ More info ]

Add to shopping cart $99.83
Available to Order: Usually ships within 10 days.

#20 81030M COVER, THERMOSTAT (1 required per assembly)
81030M - COVER              NLA
 

About Mercury Marine

OEM Part

81030M - Cover, NLA [ More info ]
Unavailable
#21 27-81031M GASKET, THERMOSTAT COVER (1 required per assembly)
2781031 27-81031M
27-81031M

About Mercury Marine

OEM Part

27-81031M - Thermostat Cover Gasket [ More info ]

Add to shopping cart $4.43
10+ In Stock.

GASKET 27-81031
27-81031

About Mercury Marine

OEM Part

27-81031 - Cover Gasket [ More info ]

Add to shopping cart $6.60 $5.61
10+ In Stock.

GSK,655-12414-A1-00 18-0232
18-0232

About Sierra Marine

OEM Match

18-0232 - Gasket, 655-12414-A1-00 [ More info ]

Add to shopping cart $2.17 $1.19
5 In Stock.

#22 12-81835M WASHER (1 required per assembly)
WASHER 12-81835M
 

About Mercury Marine

OEM Part

12-81835M - Washer, Thermostat Spacer [ More info ]

Add to shopping cart $8.50
10+ In Stock.

#23 10-83539M BOLT (3 required per assembly)
10-83539M - BOLT (M6 x 20)     - Replaced by 10-84058M
 

This part has been superseded.

10-83539M - 10-83539M - BOLT (M6 x 20) [ More info ]
Unavailable
Replaced by 10-84058M
BOLT (M6 x 20) 10-84058M
10-84058M

About Mercury Marine

OEM Part

10-84058M - Bolt [ More info ]

Add to shopping cart $7.50
Available to Order: Usually ships within 10 days.

#24 81569M COVER, EXHAUST-OUTER (1 required per assembly)
81569M - COVER              NLA
 

About Mercury Marine

OEM Part

81569M - EXHAUST Cover, NLA [ More info ]
Unavailable
#25 81568M COVER, EXHAUST-INNER (1 required per assembly)
EXHAUST COVER 81568M
 

About Mercury Marine

OEM Part

81568M - Exhaust Cover [ More info ]

Add to shopping cart $76.08
Available to Order: Usually ships within 10 days.

#26 27-81570M GASKET, EXHAUST COVER (2 required per assembly)
27-81570M - GASKET             - Replaced by 27-81570
 

This part has been superseded.

27-81570M - 27-81570M - GASKET [ More info ]
Unavailable
Replaced by 27-81570
27-81570 - GASKET             NLA
 

About Mercury Marine

OEM Part

27-81570 - GASKET NLA [ More info ]
Unavailable
#27 10-82453M BOLT (1 required per assembly)
10-82453M - BOLT               - Replaced by 10-82405M
 

This part has been superseded.

10-82453M - 10-82453M - BOLT [ More info ]
Unavailable
Replaced by 10-82405M
SCREW,NLA 10-82405M
 

About Mercury Marine

OEM Part

10-82405M - Screw, NLA [ More info ]

Add to shopping cart $9.99
10+ In Stock.

#28 10-96293M BOLT (4 required per assembly)
10-96293M - BOLT               - Replaced by 10-83285M
 

This part has been superseded.

10-96293M - 10-96293M - BOLT [ More info ]
Unavailable
Replaced by 10-83285M
SCREW,NLA 10-83285M
10-83285M

About Mercury Marine

OEM Part

10-83285M - Screw - Priced Individually [ More info ]

Add to shopping cart $4.43
7 In Stock.

#29 10-92523M BOLT (6 required per assembly)
10-92523M - BOLT               - Replaced by 10-84237M
 

This part has been superseded.

10-92523M - 10-92523M - BOLT [ More info ]
Unavailable
Replaced by 10-84237M
10-84237M - BOLT               - Replaced by 10-83285M
 

This part has been superseded.

10-84237M - 10-84237M - BOLT [ More info ]
Unavailable
Replaced by 10-83285M
#30 33-53098 SPARK PLUG, (AC M42FF) (2 required per assembly)
3382371M 33-53098
 

About Mercury Marine

OEM Part

33-53098 - SPARK PLUG - Priced Individually [ More info ]

Add to shopping cart $2.99
4 In Stock.

33-82371M - SPARK PLUG         - Replaced by 33-8M0114739
33-82371M

This part has been superseded.

33-82371M - 33-82371M - SPARK PLUG [ More info ]
Unavailable
Replaced by 33-8M0114739
SP B7HS-82 33-8M0114739
 

About Mercury Marine

OEM Part

33-8M0114739 - Spark Plug B7HS-82 - Priced Individually [ More info ]

Add to shopping cart $6.30
Available to Order: Usually ships within 10 days.

NGK PLUG(5110) B7HS
B7HS

About NGK Spark Plugs

OEM Match

B7HS - NGK Spark Plug, 5110 [ More info ]

Add to shopping cart $3.99 $3.90
10+ In Stock.

CHAMPION PLUG (#811M) L82C
L82C

About Champion Spark Plugs

OEM Match

L82C - Champion Spark Plug ( #811M) [ More info ]

Add to shopping cart $3.73 $3.40
10+ In Stock.

#31 14233M POWERHEAD ASS'Y, COMPLETE (SEE NOTE) (1 required per assembly) REPLACEMENT PARTS SERIAL 00012380-09999999
14233M - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

14233M - Powerhead MARINE,NLA [ More info ]
Unavailable
#31 95648M POWERHEAD ASS'Y, COMPLETE (SEE NOTE) (1 required per assembly) REPLACEMENT PARTS SERIAL 00000000-00012379
95648M - POWERHEAD ASSEMBL  - Replaced by -14233M
 

95648M - Powerhead [ More info ]
Unavailable
## 27-92575M GASKET SET, POWERHEAD (1 required per assembly) REPLACEMENT PARTS
27-92575M - GASKET SET         NLA
27-92575M

About Mercury Marine

OEM Part

27-92575M - GASKET SET NLA [ More info ]
Unavailable

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