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Parts for Mercury Marine Fuel / Oil Tanks, Lines, Filter Kits & Corrosion Fresh Water Cooling Kit (74643A1)

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#-- 74643A 1 FRESH WATER COOLING KIT (1 required per assembly)
COOLING ASSY      O NLA  
74643A 1 COOLING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#1 74643A 2 TANK ASSEMBLY (1 required per assembly)
TANK ASSY         O NLA  
74643A 2 TANK ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#2 36-55143 CAP (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36-55143This part has been superseded.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
#3 NSS BRACKET (PORT) (1 required per assembly)
#4 NLA BRACKET (STARBOARD) (1 required per assembly)
#4A 77223-3 PAD (2 required per assembly)
#5 10-34353 SCREW (1") (2 required per assembly)
SCREW (.375-16 x 10-34353 10-34353
10-34353OEM Part 10-34353 - Screw - Priced Individually (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
10+ in stock. Explain stock levels
#6 13-35048 LOCKWASHER (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
#7 54-815504372 CLAMP (2 required per assembly)
CLAMP Worm Gear 54-815504372 54-815504372
54-815504372OEM Part 54-815504372 - Clamp (more info) About Mercury Marine $11.30 $11.30 Add to shopping cart
8 in stock. Explain stock levels
Hose Clamp 18-7316
18-7316OEM Match 18-7316 - Hose Clamps, 72 (more info) About Sierra Marine $9.26 $7.11 Add to shopping cart
5 in stock. Explain stock levels
#8 55131A 5 THERMOSTAT HOUSING (1 required per assembly)
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
#9 22-47540 PIPE PLUG (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
#10 23-47508 SLEEVE (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
#11 27-53045-1 GASKET (1 required per assembly)
#12 27-47510 GASKET (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
#13 27-48818-1 GASKET (1 required per assembly)
#14 10-48115 SCREW (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
#15 13-35018 LOCKWASHER (2 required per assembly)
#16 22-63067 TEE (1 required per assembly)
FITTING           O NLA  
22-63067 FITTING O NLA
(more info)
    UnavailableUnavailable Parts
#17 32-53461-70 HOSE (48") (1 required per assembly)
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
#18 54-815504220 CLAMP (2 required per assembly)
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
#19 32-33220-70 HOSE (1 required per assembly)
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
#21 54-816311 STA-STRAP (1 required per assembly)
TIE STRAP         O - Replaced by 54-816311T 54-816311
54-816311This part has been superseded. TIE STRAP O - Replaced by 54-816311T
(more info)
    UnavailableUnavailable Parts
TIE STRAP (8.00 I 54-816311T 54-816311T
54-816311TOEM Part 54-816311T - Tie Strap - Priced Individually (more info) About Mercury Marine $0.44 $0.44 Add to shopping cart
10+ in stock. Explain stock levels
#22 27-48042 GASKET (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
#23 32-57777 HOSE (PORT) (1 required per assembly)
HOSE              O NLA  
32-57777 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#24 32-57776 HOSE (STARBOARD) (1 required per assembly)
HOSE              O NLA  
32-57776 HOSE O NLA
(more info)
    UnavailableUnavailable Parts
#25 74829 PLATE (2 required per assembly)
PLATE 74829 74829
74829OEM Part 74829 - Plate (more info) About Mercury Marine $34.17 $27.67 Add to shopping cart
10+ in stock. Explain stock levels
#26 27-71614 GASKET (1 required per assembly)
GASKET Note: must be ordered in multiples of 5 27-71614 27-71614
27-71614OEM Part 27-71614 - Gasket - Priced Individually (more info) About Mercury Marine $2.70 $1.83 Add to shopping cart
10+ in stock. Explain stock levels
#-- 71587A10 COOLANT RECOVERY KIT (1 required per assembly)
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
#-- 22-32802 HEAT EXCHANGE TANK REPLACEMENT PLUG (1/8-27) (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
#-- 27-65128 HEAT EXCHANGE TANK REPLACEMENT GASKET, END COVER (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-65128  
27-65128OEM Part 27-65128 - Gasket - Priced Individually (more info) About Mercury Marine $8.40 $8.40 Add to shopping cart
5 in stock. Explain stock levels
#-- 66221 HEAT EXCHANGE TANK REPLACEMENT COVER, END (2 required per assembly)
COVER 66221 66221
66221OEM Part 66221 - End Cover (more info) About Mercury Marine $27.75 $27.75 Add to shopping cart
3 in stock. Explain stock levels
#-- 10-66223 HEAT EXCHANGE TANK REPLACEMENT SCREW, END COVER (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
#-- 10-75451 HEAT EXCHANGE TANK REPLACEMENT WASHER, FIBER (2 required per assembly)
WASHER 12-75451  
12-75451OEM Part 12-75451 - Washer (more info) About Mercury Marine $3.80 $3.80 Add to shopping cart
10+ in stock. Explain stock levels