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Parts for MerCruiser 4.3L MPI Alpha / Bravo Closed Cooling System

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 32-863489 HOSE, Power Steering Cooler to Check Valve (1 required per assembly)
HOSE 32-863489  
32-863489OEM Part 32-863489 - Hose (more info) About Mercury Marine $64.92 $64.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 21-864206A 1 CHECK VALVE ASSEMBLY (1 required per assembly)
CHECK VALVE ASSEM 21-864206A 1  
21-864206A 1OEM Part 21-864206A 1 - Check Valve (more info) About Mercury Marine $27.60 $23.63 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 32-863811 HOSE, Check Valve to Fuel Cooler (1 required per assembly)
HOSE 32-863811  
32-863811OEM Part 32-863811 - Hose (more info) About Mercury Marine $49.90 $42.73 Add to shopping cart
Available to order:
Usually ships
within 8 days
#4 32-864551 HOSE, Intake Bypass to Circulating Pump (1 required per assembly)
HOSE 32-864551  
32-864551OEM Part 32-864551 - Hose (more info) About Mercury Marine $17.30 $14.81 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 32-864431 HOSE, Distribution Housing to Heat Exchanger (1 required per assembly)
HOSE 32-864431  
32-864431OEM Part 32-864431 - Hose (more info) About Mercury Marine $38.50 $38.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 32-864713 HOSE, Thermostat Housing to Upper Manifold (STBD) (1 required per assembly) (Without Riser)
HOSE 32-864713  
32-864713OEM Part 32-864713 - Hose (more info) About Mercury Marine $38.40 $32.88 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 32-864933 HOSE, Thermostat Housing to Upper Manifold (STBD) (1 required per assembly) (With Riser)
HOSE 32-864933  
32-864933OEM Part 32-864933 - Hose (more info) About Mercury Marine $24.33 $24.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 32-864714 HOSE, Thermostat Housing to Upper Manifold (PORT) (1 required per assembly) (Without Riser)
HOSE 32-864714  
32-864714OEM Part 32-864714 - Hose (more info) About Mercury Marine $38.90 $33.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 32-864931 HOSE, Thermostat Housing to Upper Manifold (PORT) (1 required per assembly) (With Riser)
HOSE 32-864931  
32-864931OEM Part 32-864931 - Hose (more info) About Mercury Marine $26.25 $26.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 32-864534 HOSE, Thermostat Housing to Lower Manifold (1 required per assembly) (Starboard)
HOSE 32-864534  
32-864534OEM Part 32-864534 - Hose (more info) About Mercury Marine $32.60 $27.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 32-864575 HOSE, Thermostat Housing to Lower Manifold (1 required per assembly) (Port)
HOSE 32-864575  
32-864575OEM Part 32-864575 - Hose (more info) About Mercury Marine $39.40 $33.74 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 32-863781 HOSE, Fuel Cooler to Accumulator Housing (1 required per assembly)
HOSE 32-863781  
32-863781OEM Part 32-863781 - Hose (more info) About Mercury Marine $29.50 $29.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 32-864506 HOSE, Heat Exchanger to Thermostat Housing (1 required per assembly)
HOSE 32-864506  
32-864506OEM Part 32-864506 - Hose (more info) About Mercury Marine $16.60 $14.22 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 32-864507 HOSE, Heat Exchanger to Thermostat Housing (1 required per assembly)
HOSE 32-864507  
32-864507OEM Part 32-864507 - Hose (more info) About Mercury Marine $15.40 $15.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 32-864532 HOSE, Heat Exchanger to Elbow (Starboard) (1 required per assembly) (Without Riser)
HOSE 32-864532  
32-864532OEM Part 32-864532 - Hose (more info) About Mercury Marine $14.40 $14.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 32-864934 HOSE, Heat Exchanger to Elbow (Starboard) (1 required per assembly) (With Riser)
HOSE 32-864934  
32-864934OEM Part 32-864934 - Hose (more info) About Mercury Marine $17.20 $14.73 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 32-864726 HOSE, Heat Exchanger to Elbow (Port) (1 required per assembly) (Without Riser)
HOSE 32-864726  
32-864726OEM Part 32-864726 - Hose (more info) About Mercury Marine $28.00 $28.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 32-863611 1 HOSE, Sea Pump to Power Steering Cooler (1 required per assembly)
HOSE 32-863611  1  
32-863611 1OEM Part 32-863611 1 - Hose (more info) About Mercury Marine $44.67 $24.38 Add to shopping cart
10+ in stock. Explain stock levels
#16 54-815504212 CLAMP, Worm Gear, Hose (1 required per assembly)
CLAMP Worm Gear 54-815504212  
54-815504212OEM Part 54-815504212 - Clamp (more info) About Mercury Marine $4.20 $4.20 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 54-815504216 CLAMP, Worm Gear (1.56 Diameter), Hose (1 required per assembly)
CLAMP Worm Gear ( 54-815504216 54-815504216
54-815504216OEM Part 54-815504216 - Clamp (more info) About Mercury Marine $12.80 $12.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 54-815504222 CLAMP, Worm Gear (1.98 DIameter), Hose (1 required per assembly)
CLAMP Worm Gear ( 54-815504222 54-815504222
54-815504222OEM Part 54-815504222 - Clamp - Priced Individually (more info) About Mercury Marine $4.30 $4.30 Add to shopping cart
3 in stock. Explain stock levels
#19 54-815504228 CLAMP, Worm Gear, Hose (1 required per assembly)
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
#20 54-815504232 CLAMP, Worm Gear (2.50 Diameter), Hose (1 required per assembly)
CLAMP Worm Gear ( 54-815504232 54-815504232
54-815504232OEM Part 54-815504232 - Clamp (more info) About Mercury Marine $6.20 $4.19 Add to shopping cart
10+ in stock. Explain stock levels
#21 32-864886 HOSE, Heat Exchanger to Circulating Pump (1 required per assembly)
HOSE 32-864886  
32-864886OEM Part 32-864886 - Hose (more info) About Mercury Marine $32.42 $32.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 54-815504224 CLAMP, Worm Gear, Hose (1 required per assembly)
CLAMP Worm Gear 54-815504224 54-815504224
54-815504224OEM Part 54-815504224 - Clamp (more info) About Mercury Marine $3.60 $3.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 864395T01 HEAT EXCHANGER, Closed Cooling (1 required per assembly)
HEAT EXCHANGER 864395T01  
864395T01OEM Part 864395T01 - Heat Exchanger (more info) About Mercury Marine $1,908.50 $1,908.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 814875 COVER, Heat Exchanger End (2 required per assembly)
COVER-END         O - Replaced by -8M0036623 814875
814875This part has been superseded. COVER-END O - Replaced by -8M0036623
(more info)
    UnavailableUnavailable Parts
END CAP (4 Inch) 8M0036623  
8M0036623OEM Part 8M0036623 - Cap -end (more info) About Mercury Marine $69.92 $69.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 27-803644 GASKET, End Cover (2 required per assembly)
GASKET            O - Replaced by 27-8M0036987  
27-803644This part has been superseded. GASKET O - Replaced by 27-8M0036987
(more info)
    UnavailableUnavailable Parts
GASKET 27-8M0036987 27-8M0036987
27-8M0036987OEM Part 27-8M0036987 - Gasket (more info) About Mercury Marine $17.20 $14.73 Add to shopping cart
2 in stock. Explain stock levels
#26 10-814877 BOLT (2 required per assembly)
BOLT 10-814877 10-814877
10-814877OEM Part 10-814877 - Bolt (more info) About Mercury Marine $8.80 $8.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 25-814878 O-RING, Special (2 required per assembly)
O RING            O - Replaced by 25-8M0039163  
25-814878This part has been superseded. O RING O - Replaced by 25-8M0039163
(more info)
    UnavailableUnavailable Parts
O-RING (3/8 x 1/8 25-8M0039163  
25-8M0039163OEM Part 25-8M0039163 - O-Ring (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 36-814879 1 CAP, Pressure (1 required per assembly)
CAP 36-814879  1  
36-814879 1OEM Part 36-814879 1 - Pressure Cap (more info) About Mercury Marine $49.20 $42.13 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 10-805559 SCREW, (.375-16 x .875) Stainless Steel (1 required per assembly)
SCREW (.375-16 x 10-805559 10-805559
10-805559OEM Part 10-805559 - Screw (more info) About Mercury Marine $7.20 $7.20 Add to shopping cart
1 in stock. Explain stock levels
#30 10-34353 SCREW, (.375-16 x 1.00) (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
#31 54-815504396 CLAMP, Worm Gear, Heat Exchanger (1 required per assembly)
CLAMP Worm Gear 54-815504396  
54-815504396OEM Part 54-815504396 - Clamp (more info) About Mercury Marine $22.00 $18.84 Add to shopping cart
Available to order:
Usually ships
within 8 days
#32 71587A10 RECOVERY KIT, Coolant (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
#NS 32-77457 2 HOSE, (48.00 Inches Bulk) (1 required per assembly)
HOSE (48.00 Inche 32-77457  2 32-77457  2
32-77457 2OEM Part 32-77457 2 - Hose -48 Inch (more info) About Mercury Marine $49.92 $49.92 Add to shopping cart
10+ in stock. Explain stock levels
#33 71587A11 BOTTLE, Plastic, Coolant Recovery Kit (1 required per assembly)
BOTTLE Plastic 71587A11 71587A11
71587A11OEM Part 71587A11 - Bottle Assembly (more info) About Mercury Marine $52.42 $52.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 72058 CAP, Coolant Recovery Bottle (1 required per assembly)
CAP 72058 72058
72058OEM Part 72058 - Cap (more info) About Mercury Marine $7.30 $7.30 Add to shopping cart
2 in stock. Explain stock levels
#35 32-863343 65 HOSE, Sea Water Pump to Water Pick Up (1 required per assembly)
HOSE-38 INCH      O - Replaced by 32-863343 79  
32-863343 65This part has been superseded. HOSE-38 INCH O - Replaced by 32-863343 79
(more info)
    UnavailableUnavailable Parts
HOSE-96 INCH      O - Replaced by 32-865672079  
32-863343 79This part has been superseded. HOSE-96 INCH O - Replaced by 32-865672079
(more info)
    UnavailableUnavailable Parts
328M0062666 32-865672079 32-865672079
32-865672079OEM Part 32-865672079 - HOSE-96 INCH (more info) About Mercury Marine $158.15 $158.15 Add to shopping cart
1 in stock. Explain stock levels
HOSE (96.00 Inche 32-8M0062666 32-8M0062666
32-8M0062666OEM Part 32-8M0062666 - Water Hose Bulk -96" (more info) About Mercury Marine $180.30 $154.39 Add to shopping cart
Available to order:
Usually ships
within 8 days
#36 18431 PAD, Heat Exchanger (1 required per assembly)
PAD 18431  
18431OEM Part 18431 - Pad (more info) About Mercury Marine $24.33 $24.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#37 864494T BRACKET, Cooler (1 required per assembly)
BRACKET 864494T  
864494TOEM Part 864494T - Heat Exchanger Bracket (more info) About Mercury Marine $130.08 $130.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#38 32-42850 69 HOSE, (44.00 Inches Bulk) (1 required per assembly) (Cut to 6 Inch Length)
HOSE-44 INCH      O - Replaced by 32-8M0062634 32-42850 69
32-42850 69This part has been superseded. HOSE-44 INCH O - Replaced by 32-8M0062634
(more info)
    UnavailableUnavailable Parts
HOSE 44.00 inch B 32-8M0062634 32-8M0062634
32-8M0062634OEM Part 32-8M0062634 - Transom TO Thermostat Housing Hose -44I (more info) About Mercury Marine $33.50 $28.69 Add to shopping cart
Available to order:
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#39 863841T TUBE, Water, Brass (1 required per assembly) (Compact Hydralic Steering)
TUBE Water 863841T 863841T
863841TOEM Part 863841T - Tube - Extender (more info) About Mercury Marine $109.00 $109.00 Add to shopping cart
1 in stock. Explain stock levels
#40 22-806608A 1 PLUG KIT, (.500-13) Royal Blue (1 required per assembly)
PLUG KIT @5       O - Replaced by 22-806608A02 22-806608A 1
22-806608A 1This part has been superseded. PLUG KIT @5 O - Replaced by 22-806608A02
(more info)
    UnavailableUnavailable Parts
PLUG ASSEMBLY (.5 22-806608A02 22-806608A02
22-806608A02OEM Part 22-806608A02 - Plug Assembly - Priced Individually (more info) About Mercury Marine $6.60 $6.60 Add to shopping cart
Available to order:
Usually ships
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DRAIN PLUG 18-4226
18-4226OEM Match 18-4226 - Drain Plug, 22-806608A1 (more info) About Sierra Marine $4.49 $2.97 Add to shopping cart
Available to order:
Usually ships
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PLUG KIT Note: must be ordered in multiples of 2   22806608Q01 22-806608Q01
22-806608Q01OEM Part 22-806608Q01 - Plug Kit - Priced Individually (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
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#41 25-32509 O-RING, (.489 x .070) (1 required per assembly)
O-RING (.489 x .0 25-32509 25-32509
25-32509OEM Part 25-32509 - O-Ring - Priced Individually (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
O-Ring 18-7165-9
18-7165-9OEM Match 18-7165-9 - O-Ring (PK5) , 0304174 (more info)
Replaces OEM #0304174
About Sierra Marine $7.45 $4.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#42 22-864727 FITTING, Y (1 required per assembly) (Bravo)
FITTING Y, (3) 1- 22-864727  
22-864727OEM Part 22-864727 - Fitting (more info) About Mercury Marine $23.33 $23.33 Add to shopping cart
1 in stock. Explain stock levels
#43 54-815504220 CLAMP, Worm Gear (3 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
#44 32-865672013 HOSE, (4.00 Inches) (1 required per assembly)
HOSE (4.00 Inches 32-865672013  
32-865672013OEM Part 32-865672013 - Hose (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
Available to order:
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#45 22-865362 QUICK CONNECT (1 required per assembly)
QUICK CONNECT 22-865362  
22-865362OEM Part 22-865362 - Spigot-q/C (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
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#46 22-865324 QUICK CONNECT (2 required per assembly)
QUICK CONNECT 22-865324  
22-865324OEM Part 22-865324 - Fitting -q/C (more info) About Mercury Marine $7.60 $7.60 Add to shopping cart
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