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Parts for Mercury Marine Exhaust / Cooling Systems & Extension Kits Fresh Water Cooling (Marine 255 & 280)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 71165A 1 FRESH WATER COOLING KIT (1 required per assembly)
CLOSED COOLING    O - Replaced by -71165A 2  
71165A 1This part has been superseded. CLOSED COOLING O - Replaced by -71165A 2
(more info)
    UnavailableUnavailable Parts
CLOSED COOLING KT O - Replaced by -74643A 1  
71165A 2This part has been superseded. CLOSED COOLING KT O - Replaced by -74643A 1
(more info)
    UnavailableUnavailable Parts
COOLING ASSY      O NLA  
74643A 1 COOLING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#2 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
#3 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
#4 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36-55143This part has been superseded.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
#5 71627 BRACKET, MOUNTING (PORT) (1 required per assembly)
BRACKET           O NLA  
71627 BRACKET O NLA
(more info)
    UnavailableUnavailable Parts
#6 71628 BRACKET, MOUNTING (STARBOARD) (1 required per assembly)
BRACKET,NLA 71628  
71628OEM Part 71628 - Bracket, NLA (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
4 in stock. Explain stock levels
#7 10-37612 SCREW, STARBOARD MOUNTING BRACKET TO ENGINE (1 1/4") (2 required per assembly)
SCREW (.375-16 x 10-37612 10-37612
10-37612OEM Part 10-37612 - Screw - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
4 in stock. Explain stock levels
#8 13-35048 LOCKWASHER, STARBOARD MOUNTING BRACKET SCREWS (2 required per assembly)
LOCKWASHER (.375) 13-35048 13-35048
13-35048OEM Part 13-35048 - LockWasher - Priced Individually (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
10+ in stock. Explain stock levels
#9 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
#10 55132 THERMOSTAT HOUSING (1 required per assembly)
HOUSING           O - Replaced by -55132T  
55132This part has been superseded. HOUSING O - Replaced by -55132T
(more info)
    UnavailableUnavailable Parts
THERMOSTAT HSG    O - Replaced by -55131A 5  
55132TThis part has been superseded. THERMOSTAT HSG O - Replaced by -55131A 5
(more info)
    UnavailableUnavailable Parts
HOUSING ASSEMBLY 55131A 5 55131A 5
55131A 5OEM Part 55131A 5 - Housing Assembly (more info) About Mercury Marine $291.58 $291.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 22-47540 PLUG, PIPE - THERMOSTAT HOUSING (2 required per assembly)
PLUG Pipe - Allen 22-47540  
22-47540OEM Part 22-47540 - Plug (more info) About Mercury Marine $6.30 $6.30 Add to shopping cart
10+ in stock. Explain stock levels
#12 23-47508 SLEEVE, THERMOSTAT HOUSING (1 required per assembly)
SLEEVE-THERMOSTAT O - Replaced by 23-47508T  
23-47508This part has been superseded. SLEEVE-THERMOSTAT O - Replaced by 23-47508T
(more info)
    UnavailableUnavailable Parts
SLEEVE 23-47508T 23-47508T
23-47508TOEM Part 23-47508T - Thermostat Sleeve (more info) About Mercury Marine $12.83 $12.83 Add to shopping cart
10+ in stock. Explain stock levels
#13 27-53045 GASKET, THERMOSTAT HOUSING TO MANIFOLD (1 required per assembly)
GASKET            O - Replaced by 27-53045  1 27-53045
27-53045This part has been superseded. GASKET O - Replaced by 27-53045 1
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 5 27-53045  1 27-53045 1
27-53045 1OEM Part 27-53045 1 - Gasket - Priced Individually (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
10+ in stock. Explain stock levels
Thermostat Gasket 18-2917-9
18-2917-9OEM Match 18-2917-9 - Gasket 27-530451 2-Pack (more info) About Sierra Marine $5.98 $3.65 Add to shopping cart
10+ in stock. Explain stock levels
GASKET   27 53045Q01 27-53045Q01
27-53045Q01OEM Part 27-53045Q01 - Gasket (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 27-47510 GASKET, THERMOSTAT - MIDDLE (1 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-47510 27-47510
27-47510OEM Part 27-47510 - Gasket - Priced Individually (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
2 in stock. Explain stock levels
Gasket 18-2553-9
18-2553-9OEM Match 18-2553-9 - Gasket 27-47510 2-Pack (more info) About Sierra Marine $4.98 $3.01 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 27-48818 GASKET, THERMOSTAT HOUSING - UPPER (1 required per assembly)
GASKET @2         O - Replaced by 27-48818  1 27-48818
27-48818This part has been superseded. GASKET @2 O - Replaced by 27-48818 1
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 2 27-48818  1 27-48818 1
27-48818 1OEM Part 27-48818 1 - Gasket - Priced Individually (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
4 in stock. Explain stock levels
GASKET   27 48818Q01 27-48818Q01
27-48818Q01OEM Part 27-48818Q01 - Gasket (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 10-48115 SCREW, THERMOSTAT HOUSING AND COVER TO INTAKE MANIFOLD (3 1/2") (2 required per assembly)
SCREW,NLA 10-48115  
10-48115OEM Part 10-48115 - Screw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#17 13-37459 LOCKWASHER, THERMOSTAT HOUSING AND COVER SCREW (2 required per assembly)
LOCKWASHER @5     O - Replaced by 13-35048  
13-37459This part has been superseded. LOCKWASHER @5 O - Replaced by 13-35048
(more info)
    UnavailableUnavailable Parts
#18 22-55133 TEE, FITTING (1 required per assembly)
FITTING TEE       O NLA 22-55133
22-55133 FITTING TEE O NLA
(more info)
    UnavailableUnavailable Parts
#19 32-62010 HOSE, HEAT EXCHANGER TO TEE (23 1/2") (1 required per assembly)
HOSE              O - Replaced by 32-53461 70  
32-62010This 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
#20 54-32780 CLAMP, HOSE TO HEAT EXCHANGER AND TEE (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
#21 32-55483 HOSE, TEE TO EXHAUST ELBOW (17") (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
#24 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
#25 27-48042 GASKET, FACE PLATE TO EXHAUST ELBOW AND MANIFOLD (4 required per assembly)
GASKET Note: must be ordered in multiples of 4 27-48042 27-48042
27-48042OEM Part 27-48042 - Gasket - Priced Individually (more info) About Mercury Marine $3.70 $3.70 Add to shopping cart
10+ in stock. Explain stock levels
#26 22-32802 PLUG, PIPE - WATER DISTRIBUTION HOUSING (1/8-27) (2 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
8 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
#-- 71587A 2 COOLANT RECOVERY KIT (SEE NOTE # 1 BELOW) (1 required per assembly)
71587A10 71587A 2  
71587A 2OEM Part 71587A 2 - ReCovery Kit (more info) About Mercury Marine $20.30 $20.30 Add to shopping cart
2 in stock. Explain stock levels
RECOVERY KIT Cool 71587A10  
71587A10OEM Part 71587A10 - ReCovery Kit (more info) About Mercury Marine $64.92 $64.92 Add to shopping cart
2 in stock. Explain stock levels