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Parts for Mariner 55 HP Crankcase & Cylinder Head

#0-1 870-9274M CRANKCASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK    O NLA
 

About Mercury Marine

OEM Part

CYLINDER BLOCK O NLA [ More info ]
Unavailable
#1 21-80727M CHECK VALVE (2 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

#2 22-80122M FITTING (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 17-82354M DOWEL PIN (1 required per assembly)
PIN-DOWEL,NLA 17-82354M
 

About Mercury Marine

OEM Part

17-82354M - Pin -Dowel, NLA [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#4 17-81258M LOCK, BEARING (2 required per assembly)
PIN-DOWEL,NLA 17-81258M
 

About Mercury Marine

OEM Part

17-81258M - Pin -Dowel, NLA [ More info ]

Add to shopping cart $3.00
2 in stock. Explain stock levels

#5 17-82368M DOWEL PIN (1 required per assembly)
PIN-DOWEL,NLA 17-82368M
 

About Mercury Marine

OEM Part

17-82368M - Pin -Dowel, NLA [ More info ]

Add to shopping cart $2.00
10+ in stock. Explain stock levels

#6 10-41837M BOLT (8 required per assembly)
BOLT              O NLA
 

About Mercury Marine

OEM Part

BOLT O NLA [ More info ]
Unavailable
#7 54-82033M CLAMP (1 required per assembly)
CLAMP,NLA 54-82033M
 

About Mercury Marine

OEM Part

54-82033M - Clamp, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#8 10-41838M BOLT (4 required per assembly)
BOLT,NLA 10-41838M
 

About Mercury Marine

OEM Part

10-41838M - Bolt, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#9 12-81807M WASHER (2 required per assembly)
WASHER,NLA 12-81807M
 

About Mercury Marine

OEM Part

12-81807M - Washer, NLA [ More info ]

Add to shopping cart $2.50
10+ in stock. Explain stock levels

#10 11-82387M NUT (2 required per assembly)
NUT               O NLA
 

About Mercury Marine

OEM Part

NUT O NLA [ More info ]
Unavailable
#11 32-81995M HOSE (2 required per assembly)
HOSE              O - Replaced by 32-811045M
 

This part has been superseded.

32-81995M - 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

#12 54-82046M CLIP (4 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

#13 16-81743M STUD (2 required per assembly)
STUD,NLA 16-81743M
 

About Mercury Marine

OEM Part

16-81743M - Stud, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#14 81255M ANODE (1 required per assembly)
ANODE,NLA 81255M
81255M

About Mercury Marine

OEM Part

81255M - Anode, NLA [ More info ]

Add to shopping cart $21.25
10+ in stock. Explain stock levels

#15 10-82532M SCREW (2 required per assembly)
SCREW Note: must be ordered in multiples of 2 10-82532M
10-82532M

About Mercury Marine

OEM Part

10-82532M - Screw - Priced Individually [ More info ]

Add to shopping cart $1.00
2 in stock. Explain stock levels

#16 968-7974M CYLINDER HEAD (1 required per assembly)
CYLINDER HEAD,NLA 968-7974M
 

About Mercury Marine

OEM Part

968-7974M - Cylinder Head, NLA [ More info ]

Add to shopping cart $165.00
6 in stock. Explain stock levels

#17 27-19140M GASKET (1 required per assembly)
GASKET            O - Replaced by 27-19140
 

This part has been superseded.

27-19140M - GASKET O [ More info ]
Unavailable
Replaced by 27-19140
GASKET 27-19140
 

About Mercury Marine

OEM Part

27-19140 - Gasket [ More info ]

Add to shopping cart $42.91
Available to order: Usually ships within 8 days. Explain stock levels

#18 10-41839M BOLT (10 required per assembly)
BOLT              O - Replaced by 10-852776  1
 

This part has been superseded.

10-41839M - BOLT O [ More info ]
Unavailable
Replaced by 10-852776 1
BOLT,NLA 10-852776  1
 

About Mercury Marine

OEM Part

10-852776 1 - Bolt, NLA [ More info ]

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

#19 81253M COVER, CYLINDER HEAD (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#20 27-81254M GASKET, HEAD COVER (1 required per assembly)
GASKET,NLA 27-81254M
 

About Mercury Marine

OEM Part

27-81254M - Gasket [ More info ]

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

#21 10-83539M BOLT (12 required per assembly)
BOLT (M6 x 20)    O - Replaced by 10-84058M
 

This part has been superseded.

10-83539M - BOLT (M6 x 20) O [ 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 $5.60
Available to order: Usually ships within 8 days. Explain stock levels

#22 12-82214M WASHER (16 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

#23 81267M PRESSURE CONTROL VALVE (1 required per assembly)
POPPET,NLA 81267M
81267M

About Mercury Marine

OEM Part

81267M - Poppet, NLA [ More info ]

Add to shopping cart $15.00
10+ in stock. Explain stock levels

#24 24-82086M SPRING (1 required per assembly)
SPRING,NLA 24-82086M
 

About Mercury Marine

OEM Part

24-82086M - Spring, NLA [ More info ]

Add to shopping cart $7.50
4 in stock. Explain stock levels

#25 25-82067M GROMMET (1 required per assembly)
GROMMET           O NLA
25-82067M

About Mercury Marine

OEM Part

GROMMET O NLA [ More info ]
Unavailable
#26 814554M THERMOSTAT (1 required per assembly) SERIAL (E-004121 EL-316399) AND ABOVE
THERMOSTAT        O - Replaced by -814554001
 

This part has been superseded.

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

This part has been superseded.

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

#26 81098M THERMOSTAT (1 required per assembly) SERIAL(E-004020 EL-316338) AND BELOW
THERMOSTAT        O - Replaced by -99080M
 

This part has been superseded.

81098M - THERMOSTAT O [ More info ]
Unavailable
Replaced by -99080M
THERMOSTAT 99080M
99080M

About Mercury Marine

OEM Part

99080M - Thermostat [ More info ]

Add to shopping cart $84.16
4 in stock. Explain stock levels

#27 81265M COVER, THERMOSTAT (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#28 27-81266M GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-81266M
27-81266M

About Mercury Marine

OEM Part

27-81266M - Gasket - Priced Individually [ More info ]

Add to shopping cart $4.90
Available to order: Usually ships within 8 days. Explain stock levels

#29 10-83285M BOLT (4 required per assembly)
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

#30 22-80756M FITTING (1 required per assembly)
FITTING           O - Replaced by 22-94716M
 

This part has been superseded.

22-80756M - FITTING O [ More info ]
Unavailable
Replaced by 22-94716M
CONNECTOR,NLA 22-94716M
 

About Mercury Marine

OEM Part

22-94716M - Connector, NLA [ More info ]

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

#31 22-81926M PLUG (1 required per assembly)
PLUG              O NLA
 

About Mercury Marine

OEM Part

PLUG O NLA [ More info ]
Unavailable
#32 27-81990M GASKET (1 required per assembly)
GASKET 27-81990M
 

About Mercury Marine

OEM Part

27-81990M - Gasket [ More info ]

Add to shopping cart $1.40 $0.78
10+ in stock. Explain stock levels

#33 81330M OUTER COVER, EXHAUST (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#34 27-81331M GASKET (1 required per assembly)
GASKET            O NLA
 

About Mercury Marine

OEM Part

GASKET O NLA [ More info ]
Unavailable
#37 33-84409M SPARK PLUG (2 required per assembly)
PLUG              O - Replaced by 33-824406  8
 

This part has been superseded.

33-84409M - PLUG O [ More info ]
Unavailable
Replaced by 33-824406 8
SPARK PLUG        O
33-824406  8

About Mercury Marine

OEM Part

SPARK PLUG O [ More info ]
Unavailable
NGK B8HS-10/5126 SPARK PLUG (10)
B8HS-10

About NGK Spark Plugs

OEM Match

B8HS-10 - NGK Spark Plug, 5126 [ More info ]

Add to shopping cart $2.79
10+ in stock. Explain stock levels

#38 32-81324M HOSE (1 required per assembly)
HOSE              O NLA
 

About Mercury Marine

OEM Part

HOSE O NLA [ More info ]
Unavailable
#39 54-82047M CLIP (2 required per assembly)
CLAMP 54-82047M
 

About Mercury Marine

OEM Part

54-82047M - Clip - Priced Individually [ More info ]

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

#40 41827M HANGER, ENGINE (1 required per assembly)
HANGER,NLA 41827M
 

About Mercury Marine

OEM Part

41827M - Hanger, NLA [ More info ]

Add to shopping cart $12.50
10+ in stock. Explain stock levels

#41 10-84342M BOLT (1 required per assembly)
BOLT,NLA 10-84342M
 

About Mercury Marine

OEM Part

10-84342M - Bolt, NLA [ More info ]

Add to shopping cart $3.75
10+ in stock. Explain stock levels

#42 13-82215M LOCKWASHER (1 required per assembly)
LOCKWASHER Note: must be ordered in multiples of 5 13-82215M
 

About Mercury Marine

OEM Part

13-82215M - LockWasher - Priced Individually [ More info ]

Add to shopping cart $1.58
10+ in stock. Explain stock levels

#- 95667M POWERHEAD ASSEMBLY, COMPLETE (1 required per assembly) INCLUDES CRANKCASE ASSEMBLY, CYLINDER PISTONS, CONNECTING RODS, CRANKSHAFT, BEARINGS, ETC.
POWERHEAD MARINE  O NLA
 

About Mercury Marine

OEM Part

POWERHEAD MARINE O NLA [ More info ]
Unavailable
#- 27-84168M GASKET SET, POWERHEAD (1 required per assembly)
GASKET SET 27-84168M
27-84168M

About Mercury Marine

OEM Part

27-84168M - Gasket Set [ More info ]

Add to shopping cart $175.17
Available to order: Usually ships within 8 days. Explain stock levels