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Parts for Mariner 55 HP Crankcase & Cylinder Head

#0-1 870-6830M CRANKCASE ASS"Y (1 required per assembly)
CONNECTING ROD    O - Replaced by 629-8813M
 

This part has been superseded.

629-6830M - CONNECTING ROD O [ More info ]
Unavailable
Replaced by 629-8813M
CONNECTING ROD,NLA 629-8813M
 

About Mercury Marine

OEM Part

629-8813M - Connecting Rod, NLA [ More info ]

Add to shopping cart $267.00
10+ in stock. Explain stock levels

#1 21-80727M CHECK VAVLE 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 $15.00
10+ in stock. Explain stock levels

#2 22-82975M ELBOW, CHECK VALVE (1 required per assembly)
ELBOW,NLA 22-82975M
 

About Mercury Marine

OEM Part

22-82975M - Elbow, NLA [ More info ]

Add to shopping cart $8.00
10+ in stock. Explain stock levels

#3 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 $5.00
10+ in stock. Explain stock levels

#4 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

#6 17-82368M PIN, DOWEL CRANKCASE (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

#7 10-82405M BOLT, CRANKCASE ATTACHING (8 required per assembly)
SCREW,NLA 10-82405M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $6.25
10+ in stock. Explain stock levels

#8 12-81792M WASHER, CRANKCASE BOLT (8 required per assembly)
WASHER @5         O NLA
 

About Mercury Marine

OEM Part

WASHER @5 O NLA [ More info ]
Unavailable
#9 54-82033M CLAMP, WIRE (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

#10 10-82410M BOLT, CRANKCASE ATTACHING (4 required per assembly)
BOLT              O NLA
 

About Mercury Marine

OEM Part

BOLT O NLA [ More info ]
Unavailable
#11 12-81807M WASHER, CRANKCASE BOLT (6 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

#12 11-82387M NUT, CRANKCASE STUD (2 required per assembly)
NUT               O NLA
 

About Mercury Marine

OEM Part

NUT O NLA [ More info ]
Unavailable
#13 16-81735M STUD, INTAKE MANIFOLD ATTACHING (8 required per assembly)
STUD              O NLA
 

About Mercury Marine

OEM Part

STUD O NLA [ More info ]
Unavailable
#14 32-81995M HOSE, DRAIN (1 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

#15 54-82046M CLAMP, DRAIN 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

#16 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

#17 16-81743M STUD, CRANKCASE ATTACHING (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

#18 16-81740M STUD, DRIVESHAFT HOUSING ATTACHING (8 required per assembly) SERIAL 00000000-00002147
STUD              O NLA
 

About Mercury Marine

OEM Part

STUD O NLA [ More info ]
Unavailable
#19 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

#20 10-82527M SCREW, ANODE ATTACHING (2 required per assembly)
1082532M 10-82527M
 

About Mercury Marine

OEM Part

10-82527M - Screw [ More info ]

Add to shopping cart $0.20
4 in stock. Explain stock levels

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

#21 968-6824M HEAD, CYLINDER (1 required per assembly)
CYLINDER HEAD     O - Replaced by 968-7974M
 

This part has been superseded.

968-6824M - CYLINDER HEAD O [ More info ]
Unavailable
Replaced by 968-7974M
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

#22 27-81252M GASKET, CYLINDER HEAD (1 required per assembly)
GASKET            O - Replaced by 27-19140M
 

This part has been superseded.

27-81252M - GASKET O [ More info ]
Unavailable
Replaced by 27-19140M
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

#23 10-82409M BOLT, CYLINDER HEAD ATTACHING (10 required per assembly)
BOLT,NLA 10-82409M
 

About Mercury Marine

OEM Part

10-82409M - Bolt, NLA [ More info ]

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

#24 12-80564M WASHER, CYLINDER HEAD BOLT (10 required per assembly)
WASHER,NLA 12-80564M
 

About Mercury Marine

OEM Part

12-80564M - Washer, NLA [ More info ]

Add to shopping cart $2.00
4 in stock. Explain stock levels

#25 81253M COVER, CYLINDER HEAD (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#26 27-81254M GASKET< CYLINFER HEAD COVER (1 required per assembly)
GASKET,NLA 27-81254M
 

About Mercury Marine

OEM Part

27-81254M - Gasket [ More info ]

Add to shopping cart $6.25
10+ in stock. Explain stock levels

#27 10-82424M BOLT (21 required per assembly)
BOLT @10          O - Replaced by 10-83539M
 

This part has been superseded.

10-82424M - BOLT @10 O [ More info ]
Unavailable
Replaced by 10-83539M
SCREW @2          O - Replaced by 10-84058M
 

This part has been superseded.

10-83539M - SCREW @2 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

#28 13-82199M WASHER (25 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. Explain stock levels

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

#29 81267M VALVE, PRESSURE CONTROL (1 required per assembly)
POPPET,NLA 81267M
81267M

About Mercury Marine

OEM Part

81267M - Poppet, NLA [ More info ]

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

#30 24-82086M SPRING, VALVE COMPRESSION (1 required per assembly)
SPRING,NLA 24-82086M
 

About Mercury Marine

OEM Part

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

Add to shopping cart $6.00
4 in stock. Explain stock levels

#31 25-82067M GROMMET, CONTROL VALVE (1 required per assembly)
GROMMET,NLA 25-82067M
25-82067M

About Mercury Marine

OEM Part

25-82067M - Grommet, NLA [ More info ]

Add to shopping cart $10.00
2 in stock. Explain stock levels

#32 81098M THERMOSTAT (1 required per assembly)
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
Available to order: Usually ships within 8 days. Explain stock levels

#33 81265M COVER, THERMOSTAT (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#34 27-81266M GASKET, THERMOSTAT COVER (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

#35 10-82426M BOLT, THERMOSTAT COVER ATTACHING (4 required per assembly)
BOLT              O - Replaced by 10-84237M
 

This part has been superseded.

10-82426M - BOLT O [ More info ]
Unavailable
Replaced by 10-84237M
SCREW @10         O - Replaced by 10-83285M
 

This part has been superseded.

10-84237M - SCREW @10 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

#36 81330M COVER,EXHAUST-OUTER (1 required per assembly)
COVER             O NLA
 

About Mercury Marine

OEM Part

COVER O NLA [ More info ]
Unavailable
#37 27-81331M GASKEET, EXHAUST COVER (1 required per assembly)
GASKET            O NLA
 

About Mercury Marine

OEM Part

GASKET O NLA [ More info ]
Unavailable
#38 22-80756M FITTING, EXHAUST COVER (1 required per assembly)
CONNECTOR         O - Replaced by 22-94716M
 

This part has been superseded.

22-80756M - CONNECTOR 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

#39 32-81324M HOSE, EXHAUST COVER (1 required per assembly)
HOSE              O NLA
 

About Mercury Marine

OEM Part

HOSE O NLA [ More info ]
Unavailable
#40 54-82047M CLAMP< EXHAUST COVER HOSE (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

#41 22-81926M PLUG, COVER (1 required per assembly)
PLUG              O NLA
 

About Mercury Marine

OEM Part

PLUG O NLA [ More info ]
Unavailable
#42 27-81990M GASKET, COVER PLUG (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

#43 33-82372M PLUG,SPARKS B-8HS(NGK) (2 required per assembly)
S-PLUG B8HS @10   O - Replaced by 33-8M0114741
33-82372M

This part has been superseded.

33-82372M - S-PLUG B8HS @10 O [ More info ]
Unavailable
Replaced by 33-8M0114741
S PLUG B8HS @4    O
 

About Mercury Marine

OEM Part

S PLUG B8HS @4 O [ More info ]
Unavailable
NGK B8HS/5510 SPARK PLUG (4)
B8HS

About NGK Spark Plugs

OEM Match

B8HS - NGK Spark Plug, 5510 [ More info ]

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

#0-2 87-82985M STOP SWITCH KIT (1 required per assembly)
SWITCH            O NLA
 

About Mercury Marine

OEM Part

SWITCH O NLA [ More info ]
Unavailable
#44 87-81526M >STOP SWITCH (1 required per assembly)
SWITCH            O NLA
 

About Mercury Marine

OEM Part

SWITCH O NLA [ More info ]
Unavailable
#45 10-82417M BOLT, STOP SWITCH BOLT (1 required per assembly)
BOLT,NLA 10-82417M
 

About Mercury Marine

OEM Part

10-82417M - Bolt, NLA [ More info ]

Add to shopping cart $2.50
9 in stock. Explain stock levels

#47 25-82057M GROMMET (1 required per assembly)
GROMMET,NLA 25-82057M
 

About Mercury Marine

OEM Part

25-82057M - Grommet, NLA [ More info ]

Add to shopping cart $5.00
10+ in stock. Explain stock levels

#48 54-82042M CLAMP (1 required per assembly)
CLAMP             O NLA
 

About Mercury Marine

OEM Part

CLAMP O NLA [ More info ]
Unavailable
#49 81251M BRACKET LIFT (1 required per assembly)
BRACKET           O - Replaced by -41827M
 

This part has been superseded.

81251M - BRACKET O [ More info ]
Unavailable
Replaced by -41827M
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

#50 10-82440M BOLT, LIFT BRACKET ATTACHING (1 required per assembly)
BOLT @2           O - Replaced by 10-84342M
 

This part has been superseded.

10-82440M - BOLT @2 O [ More info ]
Unavailable
Replaced by 10-84342M
BOLT,NLA 10-84342M
 

About Mercury Marine

OEM Part

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

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

#51 12-82200M LOCK WASHER, BRACKET BOLT (1 required per assembly)
LOCKWASHER @10    O - Replaced by 13-82215M
 

This part has been superseded.

13-82200M - LOCKWASHER @10 O [ More info ]
Unavailable
Replaced by 13-82215M
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

#52 54-82041M CALMP (1 required per assembly) SERIAL 00000000-00002005
CLAMP             O NLA
 

About Mercury Marine

OEM Part

CLAMP O NLA [ More info ]
Unavailable
#53 54-82037M CLAMP (1 required per assembly) SERIAL 00000000-00002120
CLAMP,NLA 54-82037M
 

About Mercury Marine

OEM Part

54-82037M - Clamp, NLA [ More info ]

Add to shopping cart $5.00
10+ in stock. Explain stock levels