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Parts for MerCruiser 4.3L Carburetor Alpha / Bravo Front Cover & Circulating Pump

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 850399 1 PUMP ASSEMBLY, Water (1 required per assembly)
PUMP ASSY-WATER   * 850399  1
850399 1 PUMP ASSY-WATER *
(more info)
    UnavailableUnavailable Parts
Circulating Water Pump 18-3599-1
18-3599-1OEM Match 18-3599-1 - Circulating Water Pump (more info) About Sierra Marine $137.99 $101.90 Add to shopping cart
7 in stock. Explain stock levels
#2 22-49146 PLUG, Pipe (1 required per assembly) (Standard Cooling)
ORD 22-42861 1    O NLA  
22-49146 ORD 22-42861 1 O NLA
(more info)
    UnavailableUnavailable Parts
#3 27-34897 GASKET, Water Pump (2 required per assembly)
GASKET Note: must be ordered in multiples of 2 27-34897 27-34897
27-34897OEM Part 27-34897 - Gasket - Priced Individually (more info) About Mercury Marine $2.60 $2.60 Add to shopping cart
4 in stock. Explain stock levels
Gasket 18-0891-9
18-0891-9OEM Match 18-0891-9 - Gasket 27-34897 2-Pack (more info)
Replaces OEM #3852477
About Sierra Marine $4.98 $3.82 Add to shopping cart
3 in stock. Explain stock levels
#4 37-864250 DECAL, Timing (1 required per assembly)
DECAL @5          O - Replaced by 37-8M0071530  
37-864250This part has been superseded. DECAL @5 O - Replaced by 37-8M0071530
(more info)
    UnavailableUnavailable Parts
DECAL Note: must be ordered in multiples of 5 37-8M0071530  
378M0071530OEM Part 378M0071530 - Decal Note: Must be ordered in multiples of 5 (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#5 16-35342 STUD, (.312-24/.375-16 x 2.5625) (2 required per assembly)
STUD              O - Replaced by 16-8M0076418  
16-35342This part has been superseded. STUD O - Replaced by 16-8M0076418
(more info)
    UnavailableUnavailable Parts
STUD 16-8M0076418  
16-8M0076418OEM Part 16-8M0076418 - Stud (more info) About Mercury Marine $6.70 $6.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 10-32132 SCREW, (.375-16 x 1.750) (2 required per assembly)
SCREW (.375-16 x 10-32132 10-32132
10-32132OEM Part 10-32132 - Screw (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
2 in stock. Explain stock levels
#6 10-47688 SCREW, (.375-16 x 2.750) (1 required per assembly)
SCREW (.375-16 x 10-47688 10-47688
10-47688OEM Part 10-47688 - Screw (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 807729T PULLEY (1 required per assembly)
PULLEY 807729T 807729T
807729TOEM Part 807729T - Water Pump Pulley (more info) About Mercury Marine $39.50 $39.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 10-47277 SCREW, (.312-24 x .750) (4 required per assembly)
SCREW (.312-24 x 10-47277 10-47277
10-47277OEM Part 10-47277 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#9 864297 SENSOR ASSEMBLY, Crankshaft Position (1 required per assembly)
SENSOR-CRANK POS  O - Replaced by -864297001  
864297This part has been superseded. SENSOR-CRANK POS O - Replaced by -864297001
(more info)
    UnavailableUnavailable Parts
SENSOR-CRANK POS  O - Replaced by -864297T01  
864297001This part has been superseded. SENSOR-CRANK POS O - Replaced by -864297T01
(more info)
    UnavailableUnavailable Parts
SENSOR ASSEMBLY 864297T01 864297T01
864297T01OEM Part 864297T01 - Crank Position Sensor (more info) About Mercury Marine $214.42 $214.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
CRANKSHAFT SENSOR 18-7556
18-7556OEM Match 18-7556 - Crankshaft Sensor 864297001 (more info) About Sierra Marine $101.66 $84.89 Add to shopping cart
6 in stock. Explain stock levels
#10 25-885192 O-RING (1 required per assembly)
O-RING 25-885192  
25-885192OEM Part 25-885192 - O-Ring (more info) About Mercury Marine $35.80 $30.66 Add to shopping cart
Available to order:
Usually ships
within 8 days
#11 10-884018 SCREW (1 required per assembly)
SCREW             O - Replaced by 10-884018001  
10-884018This part has been superseded. SCREW O - Replaced by 10-884018001
(more info)
    UnavailableUnavailable Parts
SCREW 10-884018001 10-884018001
10-884018001OEM Part 10-884018001 - Screw (more info) About Mercury Marine $9.99 $9.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 807730T PULLEY, Crankshaft (1 required per assembly)
PULLEY 807730T 807730T
807730TOEM Part 807730T - Pulley - Crankshaft (more info) About Mercury Marine $72.92 $72.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#13 10-34352 SCREW, (.375-24 x .875) (3 required per assembly)
SCREW (.375-24 x 10-34352 10-34352
10-34352OEM Part 10-34352 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#14 888776T HARMONIC BALANCER (1 required per assembly)
HARMONIC BALANCER 888776T  
888776TOEM Part 888776T - Balancer-harmonic (more info) About Mercury Marine $333.25 $333.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 10-32515 SCREW, (.437-20 x 2.50) (1 required per assembly)
108M2021674 10-32515 10-32515
10-32515OEM Part 10-32515 - Screw - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
10+ in stock. Explain stock levels
SCREW (.437-20 x 10-8M2021674  
10-8M2021674OEM Part 10-8M2021674 - Screw (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 13-39131 LOCKWASHER, (.437) (1 required per assembly)
LOCKWASHER (.437) 13-39131  
13-39131OEM Part 13-39131 - LockWasher (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10 in stock. Explain stock levels
#17 12-71458 WASHER (1 required per assembly)
WASHER 12-71458  
12-71458OEM Part 12-71458 - Washer (more info) About Mercury Marine $5.80 $5.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#18 888777T TIMING COVER ASSEMBLY (1 required per assembly)
ORD 888777001     O NLA 888777T
888777T ORD 888777001 O NLA
(more info)
    UnavailableUnavailable Parts
#19 26-888779 SEAL, Oil (1 required per assembly)
SEAL 26-888779 26-888779
26-888779OEM Part 26-888779 - Oil Seal (more info) About Mercury Marine $37.58 $37.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 10-888780 BOLT, Timing Cover (2 required per assembly)
BOLT-TIMING COVER O NLA  
10-888780 BOLT-TIMING COVER O NLA
(more info)
    UnavailableUnavailable Parts
#21 10-888781 BOLT, Timing Cover (3 required per assembly)
BOLT 10-888781 10-888781
10-888781OEM Part 10-888781 - Bolt - Timing Cover (more info) About Mercury Marine $9.70 $9.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#22 26-888782 GROMMET, Timing Cover (6 required per assembly)
GROMMET 26-888782  
26-888782OEM Part 26-888782 - Grommet -timeCover (more info) About Mercury Marine $16.33 $16.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
#23 889334 RELUCTOR WHEEL (1 required per assembly)
RELUCTOR WHEEL 889334 889334
889334OEM Part 889334 - Reluctor Wheel (more info) About Mercury Marine $30.00 $30.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#24 824333 RETAINER, Camshaft (1 required per assembly)
RETAINER 824333 824333
824333OEM Part 824333 - Retainer (more info) About Mercury Marine $28.42 $28.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
#25 10-824334 SCREW, (.250-20 x .500) (2 required per assembly)
SCREW (.250-20 x 10-824334 10-824334
10-824334OEM Part 10-824334 - Bolt (more info) About Mercury Marine $2.40 $2.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 883494 CHAIN, Timing (1 required per assembly)
CHAIN KIT 883494 883494
883494OEM Part 883494 - Timing Chain Kit (more info) About Mercury Marine $144.92 $144.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#27 43-824328 SPROCKET, Camshaft (1 required per assembly)
SPROCKET          O - Replaced by 43-824328T 43-824328
43-824328This part has been superseded. SPROCKET O - Replaced by 43-824328T
(more info)
    UnavailableUnavailable Parts
ORD 883494        O NLA 43-824328T
43-824328T ORD 883494 O NLA
(more info)
    UnavailableUnavailable Parts
#28 43-17160 SPROCKET, Crankshaft (1 required per assembly)
SPROCKET 43-17160 43-17160
43-17160OEM Part 43-17160 - Sprocket (more info) About Mercury Marine $49.92 $49.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#29 10-824329 SCREW, (.312-18 x .750) (3 required per assembly)
BOLT,NLA 10-824329  
10-824329OEM Part 10-824329 - Bolt, NLA (more info) About Mercury Marine $8.00 $8.00 Add to shopping cart
10+ in stock. Explain stock levels
#30 19-816565 PLUG, Pipe(.468) (1 required per assembly)
PLUG Cup (.468) 19-816565  
19-816565OEM Part 19-816565 - Plug (more info) About Mercury Marine $3.30 $3.30 Add to shopping cart
1 in stock. Explain stock levels
#31 57-863876 4 BELT, Serpentine (1 required per assembly) (Alpha)(Power Steering)
BELT-SERPENTINE   O - Replaced by 57-865615004  
57-863876 4This part has been superseded. BELT-SERPENTINE O - Replaced by 57-865615004
(more info)
    UnavailableUnavailable Parts
BELT-SERP-1941 MM O - Replaced by 57-865615Q04 57-865615004
57-865615004This part has been superseded. BELT-SERP-1941 MM O - Replaced by 57-865615Q04
(more info)
    UnavailableUnavailable Parts
BELT Serpentine 57-865615Q04 57-865615Q04
57-865615Q04OEM Part 57-865615Q04 - Serpentine Belt (more info) About Mercury Marine $99.30 $85.02 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15101
18-15101OEM Match 18-15101 - Serpentine Belt (more info) About Sierra Marine $103.99 $73.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 57-863876 9 BELT, Serpentine (1 required per assembly) (Alpha)(Compact Hydraulic Steering)
57865615009 57-863876  9 57-863876  9
57-863876 9OEM Part 57-863876 9 - Serpentine Belt (more info) About Mercury Marine $55.50 $55.50 Add to shopping cart
1 in stock. Explain stock levels
BELT-SERP-1780 MM O - Replaced by 57-865615Q09 57-865615009
57-865615009This part has been superseded. BELT-SERP-1780 MM O - Replaced by 57-865615Q09
(more info)
    UnavailableUnavailable Parts
BELT Serpentine 57-865615Q09 57-865615Q09
57-865615Q09OEM Part 57-865615Q09 - Belt (more info) About Mercury Marine $62.67 $62.67 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15105
18-15105OEM Match 18-15105 - Belt (more info) About Sierra Marine $65.49 $65.49 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 57-863876 3 BELT, Serpentine (1 required per assembly) (Bravo)(Power Steering)
57865615003 57-863876  3  
57-863876 3OEM Part 57-863876 3 - BELT-SERPENTINE (more info) About Mercury Marine $93.32 $93.32 Add to shopping cart
1 in stock. Explain stock levels
BELT-SERP-2704 MM O - Replaced by 57-865615Q03 57-865615003
57-865615003This part has been superseded. BELT-SERP-2704 MM O - Replaced by 57-865615Q03
(more info)
    UnavailableUnavailable Parts
BELT Serpentine 57-865615Q03 57-865615Q03
57-865615Q03OEM Part 57-865615Q03 - Belt (more info) About Mercury Marine $109.08 $109.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15100
18-15100OEM Match 18-15100 - Belt (more info) About Sierra Marine $152.49 $97.77 Add to shopping cart
2 in stock. Explain stock levels
#31 57-863876 8 BELT, Serpentine (1 required per assembly) (Bravo)(Compact Hydraulic Steering)
57865615008 57-863876  8  
57-863876 8OEM Part 57-863876 8 - Serpentine Belt (more info) About Mercury Marine $60.00 $60.00 Add to shopping cart
1 in stock. Explain stock levels
57865615Q08 57-865615008 57-865615008
57-865615008OEM Part 57-865615008 - Serpentine Belt -2535 Mm (more info) About Mercury Marine $70.00 $70.00 Add to shopping cart
2 in stock. Explain stock levels
BELT Serpentine 57-865615Q08 57-865615Q08
57-865615Q08OEM Part 57-865615Q08 - Belt (more info) About Mercury Marine $92.42 $92.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
Serpentine Belt 18-15104
18-15104OEM Match 18-15104 - Belt (more info) About Sierra Marine $99.99 $99.99 Add to shopping cart
1 in stock. Explain stock levels
#32 22-865526 FITTING (1 required per assembly)
FITTING 22-865526  
22-865526OEM Part 22-865526 - Fitting (more info) About Mercury Marine $33.00 $33.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 20-865525 VALVE (1 required per assembly)
VALVE 20-865525  
20-865525OEM Part 20-865525 - Valve - Miniature (more info) About Mercury Marine $46.80 $40.07 Add to shopping cart
Available to order:
Usually ships
within 8 days
#34 22-32803 PLUG, Pipe (.375-18) Brass (1 required per assembly)
PLUG Pipe (.375-1 22-32803 22-32803
22-32803OEM Part 22-32803 - Plug (more info) About Mercury Marine $4.70 $4.70 Add to shopping cart
3 in stock. Explain stock levels
Pipe Plug, 3/8-18 Npt Pipe 18-4264
18-4264OEM Match 18-4264 - Pipe Plug, 3/8-18 NPT Pi (more info) About Sierra Marine $3.99 $3.41 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 27-824326A02 GASKET SET, Engine Overhaul (1 required per assembly)
GASKET SET 27-824326A02 27-824326A02
27-824326A02OEM Part 27-824326A02 - Gasket Set (more info) About Mercury Marine $685.71 $685.71 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 864256A 1 LONGBLOCK ASSEMBLY (4.3L) (1 required per assembly)
REF MCM SB 07-11  O NLA  
864256A 1 REF MCM SB 07-11 O NLA
(more info)
    UnavailableUnavailable Parts
LB 4.3L-RM 00-07     862757R01 862757R01
862757R01OEM Part 862757R01 - Lb 4.3L-RM 00-07 (more info) About Mercury Marine $3,368.75 $3,368.75 Add to shopping cart
Available to order:
Usually ships
within 8 days
LONG BLOCK ASSEMB     807736R 5 807736R 5
807736R 5OEM Part 807736R 5 - Lb 4.3L-RM 96-99 (more info) About Mercury Marine $3,368.75 $3,368.75 Add to shopping cart
Available to order:
Usually ships
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