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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 O NLA
 

About Mercury Marine

OEM Part

870-9359M - CRANKCASE ASSEMBL O NLA [ More info ]
Unavailable
#2 22-80122M FITTING, CRANKCASE DRAIN (1 required per assembly)
FITTING Note: must be ordered in multiples of 2,NLA 22-80122M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $4.00
7 in stock. Explain stock levels

#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 $18.00
10+ in stock. Explain stock levels

#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 $5.00
10+ in stock. Explain stock levels

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

This part has been superseded.

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

About Mercury Marine

OEM Part

108M0101617 - BOLT [ More info ]

Add to shopping cart $8.70
Available to order: Usually ships within 8 days. Explain stock levels

#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 $7.50
10+ in stock. Explain stock levels

#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 $1.50
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

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

Add to shopping cart $7.50 $5.07
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

9784732M - Anode [ More info ]

Add to shopping cart $12.10
6 in stock. Explain stock levels

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

This part has been superseded.

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

About Mercury Marine

OEM Part

32-811045M - Hose, NLA [ More info ]

Add to shopping cart $5.00
1 in stock. Explain stock levels

#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 $2.00
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

81564M - HOUSING O 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 $15.00
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

27-81565M - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.00
10+ in stock. Explain stock levels

#15 12-82214M WASHER (11 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-82214M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $5.30
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

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

This part has been superseded.

27-81555M - 27-81555M - GASKET O [ 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 $31.67
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

This part has been superseded.

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

This part has been superseded.

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

About Mercury Marine

OEM Part

814554T01 - Thermostat [ More info ]

Add to shopping cart $73.75
Available to order: Usually ships within 8 days. Explain stock levels

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

About Mercury Marine

OEM Part

81030M - COVER O 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 - Gasket - Priced Individually [ More info ]

Add to shopping cart $2.80
10+ in stock. Explain stock levels

GASKET Note: must be ordered in multiples of 5 27-81031
27-81031

About Mercury Marine

OEM Part

27-81031 - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.80
10+ in stock. Explain stock levels

Cover Gasket
18-0232

About Sierra Marine

OEM Match

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

Add to shopping cart $6.64 $4.71
1 in stock. Explain stock levels

#22 12-81835M WASHER (1 required per assembly)
WASHER Note: must be ordered in multiples of 2 12-81835M
 

About Mercury Marine

OEM Part

12-81835M - Washer - Priced Individually [ More info ]

Add to shopping cart $6.40
10+ in stock. Explain stock levels

#23 10-83539M BOLT (3 required per assembly)
1084058M 10-83539M
 

About Mercury Marine

OEM Part

10-83539M - Screw - Priced Individually [ More info ]

Add to shopping cart $1.55
10+ in stock. Explain stock levels

BOLT (M6 x 20) 10-84058M
10-84058M

About Mercury Marine

OEM Part

10-84058M - Bolt [ More info ]

Add to shopping cart $5.60
1 in stock. Explain stock levels

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

About Mercury Marine

OEM Part

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

About Mercury Marine

OEM Part

81568M - Exhaust Cover [ More info ]

Add to shopping cart $64.25
Available to order: Usually ships within 8 days. Explain stock levels

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

This part has been superseded.

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

About Mercury Marine

OEM Part

27-81570 - GASKET O NLA [ More info ]
Unavailable
#27 10-82453M BOLT (1 required per assembly)
1082405M 10-82453M
 

About Mercury Marine

OEM Part

10-82453M - BOLT - Priced Individually [ More info ]

Add to shopping cart $0.65
10 in stock. Explain stock levels

SCREW,NLA 10-82405M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $7.50
10+ in stock. Explain stock levels

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

This part has been superseded.

10-96293M - 10-96293M - BOLT O [ More info ]
Unavailable
Replaced by 10-83285M
BOLT 10-83285M
10-83285M

About Mercury Marine

OEM Part

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

Add to shopping cart $3.60
10+ in stock. Explain stock levels

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

This part has been superseded.

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

This part has been superseded.

10-84237M - 10-84237M - BOLT O [ More info ]
Unavailable
Replaced by 10-83285M
#30 33-53098 SPARK PLUG, (AC M42FF) (2 required per assembly)
33-53098 - SPARK PLUG        O - Replaced by 33-82371M
 

This part has been superseded.

33-53098 - 33-53098 - SPARK PLUG O [ More info ]
Unavailable
Replaced by 33-82371M
33-82371M - SPARK PLUG        O - Replaced by 33-8M0114739
33-82371M

This part has been superseded.

33-82371M - 33-82371M - SPARK PLUG O [ More info ]
Unavailable
Replaced by 33-8M0114739
33-8M0114739 - S PLUG B7HS @4    O
 

About Mercury Marine

OEM Part

33-8M0114739 - S PLUG B7HS @4 O [ More info ]
Unavailable
NGK B7HS/5110 SPARK PLUG (4)
B7HS

About NGK Spark Plugs

OEM Match

B7HS - NGK Spark Plug, 5110 [ More info ]

Add to shopping cart $2.80
10+ in stock. Explain stock levels

SPARK PLUG CHAMPION L82C
L82C

About Champion Spark Plugs

OEM Match

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

Add to shopping cart $2.41
10+ in stock. Explain stock levels

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

About Mercury Marine

OEM Part

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

This part has been superseded.

95648M - 95648M - POWERHEAD ASSEMBL O [ More info ]
Unavailable
Replaced by -14233M
## 27-92575M GASKET SET, POWERHEAD (1 required per assembly) REPLACEMENT PARTS
27-92575M - GASKET SET        O NLA
27-92575M

About Mercury Marine

OEM Part

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