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Parts for Mariner 25C (Thru Prop. Exhaust) Crankcase & Cylinder Head

# 27-92575M GASKET SET, POWERHEAD (1 required per assembly)
27-92575M - GASKET SET         NLA
27-92575M

About Mercury Marine

OEM Part

27-92575M - GASKET SET NLA [ More info ]
Unavailable
#1 870-8399M CRANKCASE ASS'Y (1 required per assembly) (SERIAL 00006086-09999999)
870-8399M - CRANKCASE ASSEMBL  - Replaced by 870-9369M
 

This part has been superseded.

870-8399M - 870-8399M - CRANKCASE ASSEMBL [ More info ]
Unavailable
Replaced by 870-9369M
870-9369M - CYLINDER BLOCK     NLA
 

About Mercury Marine

OEM Part

870-9369M - CYLINDER BLOCK NLA [ More info ]
Unavailable
#1 870-7871M CRANKCASE ASS'Y (1 required per assembly) (SERIAL 00000000-00006085)
870-7871M - CRANKCASE ASSEMBL  NLA
 

About Mercury Marine

OEM Part

870-7871M - 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 VALVE, CHECK (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 10-41885M BOLT, W/WASHER (2 required per assembly) (SERIAL 00009376-09999999)
BOLT,NLA 10-41885M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $6.67
10+ In Stock.

#5 10-82406M BOLT, W/WASHER (2 required per assembly) (SERIAL 00000000-00009375)
10-82406M - BOLT               NLA
 

About Mercury Marine

OEM Part

10-82406M - BOLT NLA [ More info ]
Unavailable
#6 10-41884M BOLT, W/WASHER (8 required per assembly) (SERIAL 00009376-09999999)
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This part has been superseded.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 10-82408M BOLT (8 required per assembly) (SERIAL 00000000-00009375)
10-82408M - BOLT               NLA
 

About Mercury Marine

OEM Part

10-82408M - BOLT NLA [ More info ]
Unavailable
#7 12-80564M WASHER (21 required per assembly) (SERIAL 00000000-00009375)
WASHER,NLA 12-80564M
 

About Mercury Marine

OEM Part

12-80564M - Washer, Cylinder Head Bolt, NLA [ More info ]

Add to shopping cart $1.50
4 In Stock.

#8 10-95209M SCREW (1 required per assembly) (SERIAL 00019911-09999999)
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 10-82167M SCREW (1 required per assembly)
10-82167M - SCREW              - Replaced by 10-95209M
 

This part has been superseded.

10-82167M - 10-82167M - SCREW [ More info ]
Unavailable
Replaced by 10-95209M
#9 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.

#10 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.

#11 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
#12 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.

#13 81564M HOUSING, OIL SEAL (UPPER) (1 required per assembly)
81564M - HOUSING            NLA
 

About Mercury Marine

OEM Part

81564M - Housing, NLA [ More info ]
Unavailable
#14 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.

#15 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.

#16 13-82199M WASHER, LOCK (4 required per assembly)
1282214M 13-82199M
 

About Mercury Marine

OEM Part

13-82199M - LockWasher - Priced Individually [ More info ]

Add to shopping cart $0.25
8 In Stock.

WASHER 12-82214M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $4.90
10+ In Stock.

#17 968-8400M HEAD, CYLINDER (1 required per assembly)
968-8400M - HEAD               NLA
 

About Mercury Marine

OEM Part

968-8400M - HEAD NLA [ More info ]
Unavailable
#18 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 10-82407M BOLT (11 required per assembly) (SERIAL 00000000-00009375)
BOLT,NLA 10-82407M
 

About Mercury Marine

OEM Part

10-82407M - Bolt, NLA [ More info ]

Add to shopping cart $2.00
1 In Stock.

#20 81098M THERMOSTAT (1 required per assembly)
81098M - THERMOSTAT         - Replaced by -99080M
 

81098M - Thermostat [ More info ]
Unavailable
THERMOSTAT 99080M
99080M

About Mercury Marine

OEM Part

99080M - Thermostat [ More info ]

Add to shopping cart $114.09
3 In Stock.

#21 81030M COVER, THERMOSTAT (1 required per assembly)
81030M - COVER              NLA
 

About Mercury Marine

OEM Part

81030M - Cover, NLA [ More info ]
Unavailable
#22 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.

#23 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.

#24 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.

#25 81569M COVER, EXHAUST-OUTER (1 required per assembly)
81569M - COVER              NLA
 

About Mercury Marine

OEM Part

81569M - EXHAUST Cover, NLA [ More info ]
Unavailable
#26 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.

#27 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
#28 10-82453M BOLT (1 required per assembly) (SERIAL 00019911-09999999)
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 10-84239M BOLT (1 required per assembly) (SERIAL 00000000-00019910)
1082453M 10-84239M
 

About Mercury Marine

OEM Part

10-84239M - Bolt [ More info ]

Add to shopping cart $0.99
10+ In Stock.

#29 10-96293M BOLT (4 required per assembly) (SERIAL 00009376-09999999)
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 10-84488M BOLT (4 required per assembly) (SERIAL 00000000-00009375)
1096293M 10-84488M
 

About Mercury Marine

OEM Part

10-84488M - Screw Note: Priced Individually [ More info ]

Add to shopping cart $0.85
10+ In Stock.

#30 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
#31 33-82371M SPARK PLUG, B-7HS (NGK) (2 required per assembly)
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.

#32 13-82197M WASHER (3 required per assembly) (SERIAL 00019911-09999999)
13-82197M - WASHER             - Replaced by 13-82212M
 

This part has been superseded.

13-82197M - 13-82197M - WASHER [ More info ]
Unavailable
Replaced by 13-82212M
LOCKWASHER 13-82212M
 

About Mercury Marine

OEM Part

13-82212M - LockWasher - Priced Individually [ More info ]

Add to shopping cart $2.80
10+ In Stock.

#32 96586M POWERHEAD ASS'Y, COMPLETE (SEE NOTE) (1 required per assembly) (SERIAL 00006086-09999999)
96586M - POWERHEAD ASSEMBL  - Replaced by -95672M
 

96586M - Powerhead [ More info ]
Unavailable
95672M - POWERHEAD          - Replaced by -18969M
 

95672M - Powerhead [ More info ]
Unavailable
18969M - POWERHEAD MARINE   NLA
 

About Mercury Marine

OEM Part

18969M - Powerhead MARINE,NLA [ More info ]
Unavailable
#32 92574M POWERHEAD ASS'Y, COMPLETE (SEE NOTE) (1 required per assembly) (SERIAL 00000000-00006085)
92574M - POWERHEAD ASSEMBL  NLA
 

About Mercury Marine

OEM Part

92574M - Powerhead,NLA [ More info ]
Unavailable

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