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Parts for Mercury Marine Exhaust / Cooling Systems & Extension Kits Fresh Water Cooling Kit (Marine 255)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 61804A 1 FRESH WATER COOLING KIT (MARINE 255) - SEE NOTE (1 required per assembly)
COOLING ASSY      O - Replaced by -72114A 1  
61804A 1This part has been superseded. COOLING ASSY O - Replaced by -72114A 1
(more info)
    UnavailableUnavailable Parts
CLOSED COOLING    O NLA  
72114A 1 CLOSED COOLING O NLA
(more info)
    UnavailableUnavailable Parts
#2 27-65130 GASKET, HEAT EXCHANGER END (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-65130 27-65130
27-65130OEM Part 27-65130 - Gasket - Priced Individually (more info) About Mercury Marine $15.50 $15.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 66222 END CAP, HEAT EXCHANGER (2 required per assembly)
END COVER,NLA 66222  
66222OEM Part 66222 - End Cover, NLA (more info) About Mercury Marine $35.00 $35.00 Add to shopping cart
9 in stock. Explain stock levels
#4 10-66223 SCREW, END CAP TO HEAT EXCHANGER (2 required per assembly)
BOLT,NLA 10-66223  
10-66223OEM Part 10-66223 - Bolt, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
10+ in stock. Explain stock levels
#5 22-65129 ZINC ANODE, SEA WATER DRAIN (1 required per assembly)
808112 22-65129  
22-65129OEM Part 22-65129 - Anode - Zinc (more info) About Mercury Marine $18.46 $18.46 Add to shopping cart
10+ in stock. Explain stock levels
#6 36-55143 CAP, PRESSURE - HEAT EXCHANGER (1 required per assembly)
CAP-RADIATOR      O - Replaced by 36-55143Q  
36-55143This part has been superseded. CAP-RADIATOR O - Replaced by 36-55143Q
(more info)
    UnavailableUnavailable Parts
CAP-RADIATORNote: must be ordered in multiples of 2 36-55143Q 36-55143Q
36-55143QOEM Part 36-55143Q - Radiator Cap - Priced Individually (more info) About Mercury Marine $11.50 $11.50 Add to shopping cart
4 in stock. Explain stock levels
CAP Note: must be ordered in multiples of 2   36 55143T  
36-55143TOEM Part 36-55143T - Cap - Priced Individually (more info) About Mercury Marine $11.50 $11.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 63895 BRACKET, MOUNTING (PORT) (1 required per assembly)
BRACKET           O NLA  
63895 BRACKET O NLA
(more info)
    UnavailableUnavailable Parts
#8 63896 BRACKET, MOUNTING (STARBOARD) (1 required per assembly)
BRACKET           O NLA  
63896 BRACKET O NLA
(more info)
    UnavailableUnavailable Parts
#9 10-47461 SCREW, MOUNTING BRACKET TO ENGINE (1") (2 required per assembly)
SCREW (.437-14 x 10-47461 10-47461
10-47461OEM Part 10-47461 - Screw (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
9 in stock. Explain stock levels
#10 13-37272 LOCKWASHER, MOUNTING BRACKET SCREW (2 required per assembly)
1332993 13-37272  
13-37272OEM Part 13-37272 - LockWasher - Priced Individually (more info) About Mercury Marine $0.75 $0.75 Add to shopping cart
10+ in stock. Explain stock levels
LOCKWASHER (.437) 13-32993 13-32993
13-32993OEM Part 13-32993 - LockWasher - Priced Individually (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
4 in stock. Explain stock levels
#11 54-59381 CLAMP, HEAT EXCHANGER TO MOUNTING BRACKETS (2 required per assembly)
CLAMP             O - Replaced by 54-815504388  
54-59381This part has been superseded. CLAMP O - Replaced by 54-815504388
(more info)
    UnavailableUnavailable Parts
CLAMP Worm Gear 54-815504388 54-815504388
54-815504388OEM Part 54-815504388 - Clamp (more info) About Mercury Marine $18.33 $18.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 32-61385 HOSE, HEAT EXCHANGER TO EXHAUST MANIFOLD (1 required per assembly)
HOSE,NLA 32-61385 32-61385
32-61385OEM Part 32-61385 - Hose, NLA (more info) About Mercury Marine $31.25 $31.25 Add to shopping cart
10+ in stock. Explain stock levels
#13 57619 COVER, THERMOSTAT (1 required per assembly)
COVER             O NLA  
57619 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#14 27-54505 GASKET, THERMOSTAT COVER (2 required per assembly)
GASKET,NLA 27-54505 27-54505
27-54505OEM Part 27-54505 - Gasket - Priced Individually (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#15 62588 PLATE, THERMOSTAT HOUSING (2 required per assembly)
PLATE             O NLA  
62588 PLATE O NLA
(more info)
    UnavailableUnavailable Parts
#16 22-32802 PLUG, PIPE - THERMOSTAT COVER (1 required per assembly)
PLUG @2           O - Replaced by 22-32802  1  
22-32802This part has been superseded. PLUG @2 O - Replaced by 22-32802 1
(more info)
    UnavailableUnavailable Parts
PLUG-(BRASS)@2    O - Replaced by 22-32802  2  
22-32802 1This part has been superseded. PLUG-(BRASS)@2 O - Replaced by 22-32802 2
(more info)
    UnavailableUnavailable Parts
PLUG Pipe (.125-2 22-32802  2 22-32802 2
22-32802 2OEM Part 22-32802 2 - Plug - (brass) - Priced Individually (more info) About Mercury Marine $5.50 $5.50 Add to shopping cart
6 in stock. Explain stock levels
Pipe Plug, 1/8-27 Npt Pipe 18-4263
18-4263OEM Match 18-4263 - Pipe Plug, 1/8-27 NPT Pi (more info) About Sierra Marine $4.49 $3.24 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 10-35385 SCREW, THERMOSTAT COVER TO ENGINE BLOCK (1 3/4") (1 required per assembly)
SCREW (.312-18 x 10-35385 10-35385
10-35385OEM Part 10-35385 - Screw (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
10+ in stock. Explain stock levels
#18 22-30570 FITTING, BAYONET - HOSE TO ENGINE WATER PUMP (1 required per assembly)
FITTING,NLA 22-30570  
22-30570OEM Part 22-30570 - Fitting, NLA (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
1 in stock. Explain stock levels
#19 22-60522 ELBOW, HOSE TO THERMOSTAT COVER (45 DEGREES) (1 required per assembly)
FITTING,NLA 22-60522  
22-60522OEM Part 22-60522 - Fitting, NLA (more info) About Mercury Marine $20.00 $20.00 Add to shopping cart
10+ in stock. Explain stock levels
#20 32-56737 HOSE, THERMOSTAT COVER TO ENGINE WATER PUMP (4") (1 required per assembly)
HOSE              O NLA  
32-56737 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#21 54-38819 CLAMP, HOSE TO WATER PUMP AND THERMOSTAT COVER (2 required per assembly)
CLAMP             O - Replaced by 54-32523  
54-38819This part has been superseded. CLAMP O - Replaced by 54-32523
(more info)
    UnavailableUnavailable Parts
CLAMP @2          O - Replaced by 54-815504310  
54-32523This part has been superseded. CLAMP @2 O - Replaced by 54-815504310
(more info)
    UnavailableUnavailable Parts
CLAMP Worm Gear 54-815504310 54-815504310
54-815504310OEM Part 54-815504310 - Clamp (more info) About Mercury Marine $12.70 $12.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 22-63067 TEE, FITTING (1 required per assembly)
FITTING           O NLA  
22-63067 FITTING O NLA
(more info)
    UnavailableUnavailable Parts
#23 32-54862 HOSE, HEAT EXCHANGER TO TEE (24 1/4") (1 required per assembly)
HOSE              O - Replaced by 32-53461 70  
32-54862This part has been superseded. HOSE O - Replaced by 32-53461 70
(more info)
    UnavailableUnavailable Parts
32865672070 32-53461 70 32-53461 70
32-53461 70OEM Part 32-53461 70 - Hose -48 Inch (more info) About Mercury Marine $64.45 $64.45 Add to shopping cart
8 in stock. Explain stock levels
HOSE-48 INCH       - Replaced by 32-8M0062665 32-865672070
32-865672070This part has been superseded. HOSE-48 INCH - Replaced by 32-8M0062665
(more info)
    UnavailableUnavailable Parts
HOSE (48.00 Inche 32-8M0062665 328M0062665
328M0062665OEM Part 328M0062665 - Hose (more info) About Mercury Marine $67.17 $67.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
Molded Hose 18-75125
18-75125OEM Match 18-75125 - Straight Hose (more info)
Replaces OEM #0912793
About Sierra Marine $36.99 $29.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 54-32780 CLAMP, HEAT EXCHANGER TO TEE HOSE (2 required per assembly)
CLAMP             O - Replaced by 54-815504220  
54-32780This part has been superseded. CLAMP O - Replaced by 54-815504220
(more info)
    UnavailableUnavailable Parts
CLAMP Worm Gear 54-815504220 54-815504220
54-815504220OEM Part 54-815504220 - Clamp (more info) About Mercury Marine $5.40 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 54-63300 CLIP, HOSE TO ROCKER COVER (2 required per assembly)
CLAMP 54-63300  
54-63300OEM Part 54-63300 - Clip (more info) About Mercury Marine $17.40 $14.91 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 32-55483 HOSE, TEE TO EXHAUST ELBOW (19") (1 required per assembly)
323322070 32-55483  
32-55483OEM Part 32-55483 - Hose (more info) About Mercury Marine $34.20 $34.20 Add to shopping cart
3 in stock. Explain stock levels
HOSE-48 INCH      O - Replaced by 32-8M0062614 32-33220 70
32-33220 70This part has been superseded. HOSE-48 INCH O - Replaced by 32-8M0062614
(more info)
    UnavailableUnavailable Parts
HOSE (48.00 Inche 32-8M0062614 32-8M0062614
32-8M0062614OEM Part 32-8M0062614 - Water Hose (more info) About Mercury Marine $59.30 $50.77 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 61990 STA STRAP (1 required per assembly)
TIE STRAP (14.00 61990 61990
61990OEM Part 61990 - Tie Strap - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 32-57778 HOSE, HEAT EXCHANGER TO ENGINE WATER PUMP (1 required per assembly)
HOSE              O NLA  
32-57778 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#29 55730 PLATE, FACE - EXHAUST ELBOW (2 required per assembly)
PLATE 55730 55730
55730OEM Part 55730 - Plate (more info) About Mercury Marine $17.08 $17.08 Add to shopping cart
4 in stock. Explain stock levels
BK OFF PLATE,FWC MC-20-55730 MC-20-55730
MC-20-55730OEM Match MC-20-55730 - Block Off Plate, Fwc (more info) About Barr Marine by EDM $17.00 $13.28 Add to shopping cart
4 in stock. Explain stock levels
#30 27-52076 GASKET, FACE PLATE TO EXHAUST ELBOW AND MANIFOLD (4 required per assembly)
GASKET @5         O - Replaced by 27-99777  
27-52076This part has been superseded. GASKET @5 O - Replaced by 27-99777
(more info)
    UnavailableUnavailable Parts
GASKET @2         O - Replaced by 27-99777  1 27-99777
27-99777This part has been superseded. GASKET @2 O - Replaced by 27-99777 1
(more info)
    UnavailableUnavailable Parts
GASKET @2         O - Replaced by 27-99777  2 27-99777  1
27-99777 1This part has been superseded. GASKET @2 O - Replaced by 27-99777 2
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 2 27-99777  2 27-99777 2
27-99777 2OEM Part 27-99777 2 - Gasket - Priced Individually (more info) About Mercury Marine $3.40 $3.40 Add to shopping cart
10+ in stock. Explain stock levels
GASKET   27 99777Q02 27-99777Q02
27-99777Q02OEM Part 27-99777Q02 - Gasket (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
Available to order:
Usually ships
within 8 days