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Parts for Mariner W-55 HP Crankcase & Cylinder Head

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#0-1 870-9275M CRANKCASE ASSEMBLY (1 required per assembly)
CYLINDER BLOCK,NLA 870-9275M  
870-9275MOEM Part 870-9275M - Cylinder Block, NLA (more info) About Mercury Marine $1,500.00 $1,500.00 Add to shopping cart
2 in stock. Explain stock levels
#1 21-80727M CHECK VALVE (2 required per assembly)
CHECK VALVE,NLA 21-80727M 21-80727M
21-80727MOEM Part 21-80727M - Check Valve, NLA (more info) About Mercury Marine $15.00 $15.00 Add to shopping cart
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  
22-80122MOEM Part 22-80122M - Fitting - Priced Individually, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
7 in stock. Explain stock levels
#3 17-82354M DOWEL PIN (1 required per assembly)
PIN-DOWEL,NLA 17-82354M  
17-82354MOEM Part 17-82354M - Pin -Dowel, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#4 17-81258M LOCK, BEARING (2 required per assembly)
PIN-DOWEL,NLA 17-81258M  
17-81258MOEM Part 17-81258M - Pin -Dowel, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
2 in stock. Explain stock levels
#5 10-41837M BOLT (8 required per assembly)
BOLT              O NLA  
10-41837M BOLT O NLA
(more info)
    UnavailableUnavailable Parts
#6 54-82033M CLAMP (1 required per assembly)
CLAMP,NLA 54-82033M  
54-82033MOEM Part 54-82033M - Clamp, NLA (more info) About Mercury Marine $9.00 $9.00 Add to shopping cart
10+ in stock. Explain stock levels
#7 10-41838M BOLT (4 required per assembly)
BOLT,NLA 10-41838M  
10-41838MOEM Part 10-41838M - Bolt, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#8 12-81807M WASHER (2 required per assembly)
WASHER,NLA 12-81807M  
12-81807MOEM Part 12-81807M - Washer, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#9 11-82387M NUT (2 required per assembly)
NUT               O NLA  
11-82387M NUT O NLA
(more info)
    UnavailableUnavailable Parts
#10 16-81735M STUD (8 required per assembly)
STUD              O NLA  
16-81735M STUD O NLA
(more info)
    UnavailableUnavailable Parts
#11 32-81995M HOSE (2 required per assembly)
HOSE              O - Replaced by 32-811045M  
32-81995MThis part has been superseded. HOSE O - Replaced by 32-811045M
(more info)
    UnavailableUnavailable Parts
HOSE,NLA 32-811045M  
32-811045MOEM Part 32-811045M - Hose, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
1 in stock. Explain stock levels
#12 54-82046M CLAMP (4 required per assembly)
CLIP,NLA 54-82046M  
54-82046MOEM Part 54-82046M - Clip, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#13 17-82368M DOWEL PIN (1 required per assembly)
PIN-DOWEL,NLA 17-82368M  
17-82368MOEM Part 17-82368M - Pin -Dowel, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#14 16-81743M STUD (2 required per assembly)
STUD,NLA 16-81743M  
16-81743MOEM Part 16-81743M - Stud, NLA (more info) About Mercury Marine $9.00 $9.00 Add to shopping cart
10+ in stock. Explain stock levels
#15 81255M ANODE (1 required per assembly)
ANODE,NLA 81255M 81255M
81255MOEM Part 81255M - Anode, NLA (more info) About Mercury Marine $21.25 $21.25 Add to shopping cart
10+ in stock. Explain stock levels
#16 10-82532M SCREW (2 required per assembly)
SCREW Note: must be ordered in multiples of 2 10-82532M 10-82532M
10-82532MOEM Part 10-82532M - Screw - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
2 in stock. Explain stock levels
#17 81330M EXHAUST COVER (OUTER) (1 required per assembly)
COVER             O NLA  
81330M COVER O NLA
(more info)
    UnavailableUnavailable Parts
#18 27-81331M GASKET (1 required per assembly) .
GASKET            O NLA  
27-81331M GASKET O NLA
(more info)
    UnavailableUnavailable Parts
#19 10-83539M BOLT (21 required per assembly)
SCREW @2          O - Replaced by 10-84058M  
10-83539MThis part has been superseded. SCREW @2 O - Replaced by 10-84058M
(more info)
    UnavailableUnavailable Parts
BOLT (M6 x 20) 10-84058M 10-84058M
10-84058MOEM Part 10-84058M - Bolt (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 12-82214M WASHER (25 required per assembly)
WASHER Note: must be ordered in multiples of 5 12-82214M  
12-82214MOEM Part 12-82214M - Washer - Priced Individually (more info) About Mercury Marine $5.20 $5.20 Add to shopping cart
10+ in stock. Explain stock levels
#21 22-80756M FITTING (1 required per assembly)
CONNECTOR         O - Replaced by 22-94716M  
22-80756MThis part has been superseded. CONNECTOR O - Replaced by 22-94716M
(more info)
    UnavailableUnavailable Parts
CONNECTOR,NLA 22-94716M  
22-94716MOEM Part 22-94716M - Connector, NLA (more info) About Mercury Marine $7.50 $7.50 Add to shopping cart
10+ in stock. Explain stock levels
#22 32-81324M HOSE (1 required per assembly)
HOSE              O NLA  
32-81324M HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#23 54-82047M CLAMP (2 required per assembly)
CLAMP 54-82047M  
54-82047MOEM Part 54-82047M - Clip - Priced Individually (more info) About Mercury Marine $5.20 $5.20 Add to shopping cart
10+ in stock. Explain stock levels
#24 968-7974M CYLINDERHEAD (1 required per assembly)
CYLINDER HEAD,NLA 968-7974M  
968-7974MOEM Part 968-7974M - Cylinder Head, NLA (more info) About Mercury Marine $165.00 $165.00 Add to shopping cart
6 in stock. Explain stock levels
#25 27-19140M GASKET (1 required per assembly) .
GASKET            O - Replaced by 27-19140  
27-19140MThis part has been superseded. GASKET O - Replaced by 27-19140
(more info)
    UnavailableUnavailable Parts
GASKET 27-19140  
27-19140OEM Part 27-19140 - Gasket (more info) About Mercury Marine $41.83 $41.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 10-41839M BOLT (10 required per assembly)
BOLT              O - Replaced by 10-852776  1  
10-41839MThis part has been superseded. BOLT O - Replaced by 10-852776 1
(more info)
    UnavailableUnavailable Parts
BOLT,NLA 10-852776  1  
10-852776 1OEM Part 10-852776 1 - Bolt, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#27 81253M COVER (1 required per assembly)
COVER             O NLA  
81253M COVER O NLA
(more info)
    UnavailableUnavailable Parts
#28 27-81254M GASKET (1 required per assembly) .
GASKET,NLA 27-81254M  
27-81254MOEM Part 27-81254M - Gasket (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
10+ in stock. Explain stock levels
#29 81265M COVER (1 required per assembly)
COVER             O NLA  
81265M COVER O NLA
(more info)
    UnavailableUnavailable Parts
#30 27-81266M GASKET (1 required per assembly) .
GASKET Note: must be ordered in multiples of 2 27-81266M 27-81266M
27-81266MOEM Part 27-81266M - Gasket - Priced Individually (more info) About Mercury Marine $4.80 $4.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 10-83285M BOLT (4 required per assembly)
BOLT 10-83285M 10-83285M
10-83285MOEM Part 10-83285M - Screw - Priced Individually (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10+ in stock. Explain stock levels
#32 22-81926M PLUG (1 required per assembly)
PLUG              O NLA  
22-81926M PLUG O NLA
(more info)
    UnavailableUnavailable Parts
#33 27-81990M GASKET (1 required per assembly)
GASKET 27-81990M  
27-81990MOEM Part 27-81990M - Gasket (more info) About Mercury Marine $1.40 $0.78 Add to shopping cart
10+ in stock. Explain stock levels
#34 33-53098 SPARK PLUG (2 required per assembly)
SPARK PLUG @10    O - Replaced by 33-82371M  
33-53098This part has been superseded. SPARK PLUG @10 O - Replaced by 33-82371M
(more info)
    UnavailableUnavailable Parts
S-PLUG B7HS @10   O 33-82371M
33-82371M S-PLUG B7HS @10 O
(more info)
    UnavailableUnavailable Parts
NGK B7HS/5110 SPARK PLUG (4) B7HS
B7HSOEM Match B7HS - NGK Spark Plug, 5110 (more info)
Replaces OEM #0509568
About NGK Spark Plugs $2.79 Add to shopping cart
5 in stock. Explain stock levels
SPARK PLUG CHAMPION L82C L82C
L82COEM Match L82C - Champion Spark Plug ( #811M) (more info)
Replaces OEM #0502189
About Champion Spark Plugs $2.35 Add to shopping cart
10+ in stock. Explain stock levels
#-- 95625M POWERHEAD ASSEMBLY - COMPLETE (1 required per assembly) INCLUDES CRANKCASE ASSEMBLY, CYLINDER PISTONS, CONNECTING RODS, CRANKSHAFT, BEARINGS, ETC.
POWERHEAD MARINE  O NLA  
95625M POWERHEAD MARINE O NLA
(more info)
    UnavailableUnavailable Parts
#-- 27-84168M POWERHEAD GASKET SET (1 required per assembly) .
GASKET SET 27-84168M 27-84168M
27-84168MOEM Part 27-84168M - Gasket Set (more info) About Mercury Marine $170.92 $170.92 Add to shopping cart
Available to order:
Usually ships
within 8 days