Logo

Parts for Mercury Marine Exhaust / Cooling Systems & Extension Kits Fresh Water Cooling Kit (Marine 270 & 325) (To Water Pump)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#-- 55125A 9 FRESH WATER COOLING KIT(SEE NOTE) (1,,,, required per assembly)
CLOSED COOLING    O NLA  
55125A 9 CLOSED COOLING O NLA
(more info)
    UnavailableUnavailable Parts
#29 55125A 7 RESERVOIR ASSEMBLY (1,,,, required per assembly)
RESERVOIR ASSY    O NLA  
55125A 7 RESERVOIR ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#-- 37-53237 DECAL, RESERVOIR (1,,,, required per assembly)
DECAL             O NLA  
37-53237 DECAL O NLA
(more info)
    UnavailableUnavailable Parts
#30 32-55126 TUBE, OVERFLOW (1,,,, required per assembly)
TUBE              O NLA  
32-55126 TUBE O NLA
(more info)
    UnavailableUnavailable Parts
#31 16-29988 STUD, HEAT EXCHANGER STRAP TO RESERVOIR (1 9/16") (2,,,, required per assembly)
STUD @2           O - Replaced by 16-33111  
16-29988This part has been superseded. STUD @2 O - Replaced by 16-33111
(more info)
    UnavailableUnavailable Parts
STUD,NLA 16-33111  
16-33111OEM Part 16-33111 - Stud, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#32 16-21553 STUD, THERMOSTAT COVER TO RESERVOIR (1 1/2") (2,,,, required per assembly)
STUD @2           O NLA  
16-21553 STUD @2 O NLA
(more info)
    UnavailableUnavailable Parts
#33 22-58471 SLEEVE, WATER FILLER (1,,,, required per assembly)
FITTING           O - Replaced by 22-13234A 1  
22-58471This part has been superseded. FITTING O - Replaced by 22-13234A 1
(more info)
    UnavailableUnavailable Parts
BASE FILLER HOLE 22-13234A 1  
22-13234A 1OEM Part 22-13234A 1 - Fitting Kit (more info) About Mercury Marine $25.42 $25.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 36-55143 CAP, RESERVOIR WATER FILLER (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36-55143This part has been superseded.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
3 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
#35 54-38889 CLAMP, CONNECTOR HOSE (4,,,, required per assembly)
CLAMP             O - Replaced by 54-815504360  
54-38889This part has been superseded. CLAMP O - Replaced by 54-815504360
(more info)
    UnavailableUnavailable Parts
CLAMP,NLA 54-815504360  
54-815504360OEM Part 54-815504360 - Clamp, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
10+ in stock. Explain stock levels
#36 10-35386 SCREW, END CAP TO EXHAUST MANIFOLD (1") (6,,,, required per assembly)
SCREW (.312-18 x 10-35386 10-35386
10-35386OEM Part 10-35386 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#36 10-53016 SCREW, END CAP TO EXHAUST MANIFOLD (1 1/4") (2,,,, required per assembly)
SCREW @3          O - Replaced by 10-74824  
10-53016This part has been superseded. SCREW @3 O - Replaced by 10-74824
(more info)
    UnavailableUnavailable Parts
SCREW (.312-18 x 10-74824 10-74824
10-74824OEM Part 10-74824 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 13-39107 LOCKWASHER, END CAP SCREW (8,,,, required per assembly)
LOCKWASHER (.312- 13-39107  
13-39107OEM Part 13-39107 - LockWasher - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
#38 12-26825 WASHER, END CAP SCREW (8,,,, required per assembly)
WASHER (.328 x .7 12-26825  
12-26825OEM Part 12-26825 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
9 in stock. Explain stock levels
#39 27-48043 GASKET, END CAP TO EXHAUST MANIFOLD (2,,,, required per assembly)
GASKET @4         O - Replaced by 27-48043  1 27-48043
27-48043This part has been superseded. GASKET @4 O - Replaced by 27-48043 1
(more info)
    UnavailableUnavailable Parts
GASKET Note: must be ordered in multiples of 4 27-48043  1 27-48043 1
27-48043 1OEM Part 27-48043 1 - Gasket - Priced Individually (more info) About Mercury Marine $3.90 $3.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#40 55075A 1 HEAT EXCHANGER ASSEMBLY (1,,,, required per assembly)
HEAT EXCHANGER,NLA 55075A 1  
55075A 1OEM Part 55075A 1 - Heat Exchanger, NLA (more info) About Mercury Marine $200.00 $200.00 Add to shopping cart
1 in stock. Explain stock levels
#41 27-55144 GASKET, HEAT EXCHANGER INLET (1,,,, required per assembly)
GASKET            O NLA  
27-55144 GASKET O NLA
(more info)
    UnavailableUnavailable Parts
#42 55208A 1 END CAP ASSEMBLY, HEAT EXCHANGER (1,,,, required per assembly)
END CAP ASSY      O NLA  
55208A 1 END CAP ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#43 23-47511 SLEEVE, END CAP (2,,,, required per assembly)
SLEEVE 23-47511 23-47511
23-47511OEM Part 23-47511 - Sleeve (more info) About Mercury Marine $30.58 $30.58 Add to shopping cart
7 in stock. Explain stock levels
#44 27-55136 GASKET, END CAP TO HEAT EXCHANGER (1,,,, required per assembly)
Gasket,NLA 27-55136  
27-55136OEM Part 27-55136 - Gasket (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
10+ in stock. Explain stock levels
#45 55129 END CAP, HEAT EXCHANGER (1,,,, required per assembly)
END CAP           O NLA  
55129 END CAP O NLA
(more info)
    UnavailableUnavailable Parts
#46 27-55138 GASKET, END CAP TO HEAT EXCHANGER (1,,,, required per assembly)
Gasket,NLA 27-55138  
27-55138OEM Part 27-55138 - Gasket (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
10+ in stock. Explain stock levels
#47 22-32802 PLUG, PIPE - END CAP (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
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
#48 10-55137 SCREW, END CAP TO HEAT EXCHANGER (14") (1,,,, required per assembly)
SCREW             O - Replaced by 16-63420A 1  
10-55137This part has been superseded. SCREW O - Replaced by 16-63420A 1
(more info)
    UnavailableUnavailable Parts
STUD ASSY         O NLA  
16-63420A 1 STUD ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#49 12-20553 WASHER, END CAP SCREW (2,,,, required per assembly)
WASHER (.406 x .7 12-20553  
12-20553OEM Part 12-20553 - Washer - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#50 11-23161 NUT, END CAP SCREW (1,,,, required per assembly)
NUT (.375-24) 11-23161 11-23161
11-23161OEM Part 11-23161 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#51 54-32780 CLAMP, HOSE TO END CAP AND FLYWHEEL HOUSING (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
#52 54-47715 CLIP, HEAT EXCHANGER HOSE TO CRANKCASE (1,,,, required per assembly)
CLIP 54-47715  
54-47715OEM Part 54-47715 - Clip (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#53 55145 STRAP, MOUNTING - HEAT EXCHANGER TO RESERVOIR (2,,,, required per assembly)
STRAP             O NLA  
55145 STRAP O NLA
(more info)
    UnavailableUnavailable Parts
#54 55124 PADDING, MOUNTING STRAP (2,,,, required per assembly)
PADDING           O NLA  
55124 PADDING O NLA
(more info)
    UnavailableUnavailable Parts
#55 12-20084 WASHER, MOUNTING STRAP STUD (2,,,, required per assembly)
WASHER (.328 x .5 12-20084 12-20084
12-20084OEM Part 12-20084 - Washer - Priced Individually (more info) About Mercury Marine $2.07 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
#56 11-25594 NUT, MOUNTING STRAP STUD (2,,,, required per assembly)
11862902 11-25594  
11-25594OEM Part 11-25594 - Nut Note: Must be ordered in multiples of 5 (more info) About Mercury Marine $0.95 $0.95 Add to shopping cart
3 in stock. Explain stock levels
NUT (.312-24) 11-862902  
11-862902OEM Part 11-862902 - Nut - Priced Individually (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#57 54-32781 CLAMP, HOSE TO HEAT EXCHANGER AND WATER PUMP (2,,,, required per assembly)
CLAMP @2          O - Replaced by 54-815504228  
54-32781This part has been superseded. CLAMP @2 O - Replaced by 54-815504228
(more info)
    UnavailableUnavailable Parts
CLAMP Worm Gear 54-815504228 54-815504228
54-815504228OEM Part 54-815504228 - Clamp (more info) About Mercury Marine $14.30 $14.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#58 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
#59 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
#60 27-53045 GASKET, THERMOSTAT HOUSING TO MANIFOLD (LOWER) (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
#-- 58105A 1 INSTALLATION KIT,COOLING (MARINE 270) (,1,,, required per assembly)
COOLING ASS,NLA 58105A 1  
58105A 1OEM Part 58105A 1 - Cooling Assembly, NLA (more info) About Mercury Marine $175.00 $175.00 Add to shopping cart
1 in stock. Explain stock levels
#-- 58106A 1 INSTALLATION KIT,COOLING (MARINE INBOARD 270) (,,1,, required per assembly)
COOLING ASSY      O NLA  
58106A 1 COOLING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#-- 58107A 1 INSTALLATION KIT,COOLING (MARINE 325) (,,,L, required per assembly)
COOLING ASSY      O NLA  
58107A 1 COOLING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#-- 58108A 1 INSTALLATION KIT,COOLING (MARINE INBOARD 325) (,,,,1 required per assembly)
COOLING ASSY      O NLA  
58108A 1 COOLING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#61 55132 HOUSING, THERMOSTAT (,1,1,, 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
#61 55131 HOUSING, THERMOSTAT (,,,1,1 required per assembly)
HOUSING           O - Replaced by -55131T  
55131This part has been superseded. HOUSING O - Replaced by -55131T
(more info)
    UnavailableUnavailable Parts
THERMOSTAT HOUSNG O - Replaced by -55131A 5  
55131TThis part has been superseded. THERMOSTAT HOUSNG O - Replaced by -55131A 5
(more info)
    UnavailableUnavailable Parts
#62 55141 COVER,THERMOSTAT (,1,,, required per assembly)
COVER             O NLA  
55141 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#62 55142 COVER,THERMOSTAT (,,1,, required per assembly)
COVER             O NLA  
55142 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#62 55139 COVER,THERMOSTAT (,,,1, required per assembly)
COVER             O NLA  
55139 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#62 55140 COVER,THERMOSTAT (,,,,1 required per assembly)
COVER             O NLA  
55140 COVER O NLA
(more info)
    UnavailableUnavailable Parts
#63 10-35785 SCREW,THERMOSTAT HOUSING COVER TO INTAKE MANIFOLD (3 1/4") (,,,,2 required per assembly)
SCREW (.375-16 x 10-35785 10-35785
10-35785OEM Part 10-35785 - Screw (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#64 10-24234 SCREW, BRACKET TO THERMOSTAT HOUSING (1") (,,,,2 required per assembly)
1035386 10-24234  
10-24234OEM Part 10-24234 - Screw - Priced Individually (more info) About Mercury Marine $0.30 $0.30 Add to shopping cart
9 in stock. Explain stock levels
#65 60422 PLATE, ADAPTOR - RESERVOIR MOUNTING STUD (,,,,2 required per assembly)
PLATE             O NLA  
60422 PLATE O NLA
(more info)
    UnavailableUnavailable Parts
#66 23-60455 BUSHING, RESERVOIR MOUNTING STUD (,,,,2 required per assembly)
BUSHING           O NLA  
23-60455 BUSHING O NLA
(more info)
    UnavailableUnavailable Parts
#68 11-21908 NUT, BRACKET SCREW (,,,,2 required per assembly)
NUT (.312-18) Cad 11-21908 11-21908
11-21908OEM Part 11-21908 - Nut - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#69 55128 END CAP, EXHAUST MANIFOLD AND RESERVOIR (,2,2,, required per assembly)
END CAP           O NLA  
55128 END CAP O NLA
(more info)
    UnavailableUnavailable Parts
#69 55127 END CAP, EXHAUST MANIFOLD AND RESERVOIR (,,,2,2 required per assembly)
END CAP,NLA 55127  
55127OEM Part 55127 - End Cap, NLA (more info) About Mercury Marine $55.00 $55.00 Add to shopping cart
1 in stock. Explain stock levels
#70 32-57929 3 HOSE,CONNECTOR - END CAP TO RESERVOIR (2") (,2,2,2,2 required per assembly)
#71 32-55483 HOSE,HEAT EXCHANGER END CAP TO FLYWHEEL HOUSING (48") (,1,1,, 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
#71 32-47650 HOSE,HEAT EXCHANGER END CAP TO FLYWHEEL HOUSING (,,,1, required per assembly)
HOSE              O NLA  
32-47650 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#71 32-60125 HOSE,HEAT EXCHANGER END CAP TO FLYWHEEL HOUSING (37") (,,,,1 required per assembly)
HOSE              O NLA  
32-60125 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#72 32-55679 HOSE,HEAT EXCHANGER TO WATER PUMP (,1,1,, required per assembly)
HOSE              O NLA  
32-55679 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#72 32-55317 HOSE,HEAT EXCHANGER TO WATER PUMP (,,,1,1 required per assembly)
HOSE              O NLA  
32-55317 HOSE O NLA
(more info)
    UnavailableUnavailable Parts