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    Outboard Cooling Systems

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    Quicksilver Water Pump Repair Kit 42089A5

    3280501
    $102.29
    For Mercury or Mariner 6 - 15 HP 4-Stroke Outboards. Expansive kit to replace water impeller, upper and lower housings, face plate, gaskets, seals and o-rings. Produced by Mercury Marine to our stringent original equipment manufacturer specifications to maximize the performance of your Mercury and Mariner outboard or Mercruiser stern drive.

    Sierra 130 Degree Thermostat Kit 18-3672

    18-3672
    $26.59
    Sierra Thermostat Kit 18-3672. Includes 18-3553 Thermostat and 18-0182 Thermostat Gasket.

    Sierra 142 Degree Thermostat 18-3551 Replaces 807252T1, 59137

    18-3551
    $25.58
    Sierra Thermostat Kit 18-3551. For 351 CID Engines. Used on all V-8 Chrysler engines w/Rochester carburetors 1986 - present. For : Raw water cooled engines, Temperature Rating: 142°F. Height : 1.5. O.D. : 2.125.

    Sierra 143 Degree Thermostat 18-3543 Replaces 5005440

    18-3543
    $26.50
    Sierra Thermostat 18-3543 . Fits: 40-250hp E-tech, 6-55hp, Cross V4 & V6, 9.9 4-Stroke (1994-01), 15 4-Stroke (1994-01).

    Sierra 143 Degree Thermostat Kit 18-3673

    18-3673
    $42.99
    Sierra Thermostat Kit 18-3673. V-4 Crossflow. Contains: 18-0675 Thermostat Gasket, 18-0977 Thermostat Gasket, 18-2391 Grommet, 18-3564 Poppet Relief Valve, 18-1243 Valve Springs, 18-3543 Thermostat.

    Sierra 160 Degree Thermostat Kit 18-3647 Replaces 807252Q5

    18-3647
    $34.69
    Sierra Thermostat Kit 18-3647. Replaces: Mercrusier 807252Q5.

    Sierra 160 Degree Thermostat Kit 18-3677 Replaces 3856961

    18-3677
    $28.09
    Sierra Thermostat Kit 18-3677. Replaces: OMC 3856961. Contains: 18-7170 O-Ring, 18-0398 Thermostat Gasket.

    Sierra Impeller 18-3007 Replaces 47-89983

    18-3007
    $25.28
    Sierra 18-3007 Impeller. For - 60hp. OD: 2.005 Bore: 0.752.. Thickness: 0.752. Key: Round. Blades: 63. Replaces: Mercury 47-89983, 4789983T.

    Sierra Impeller 18-3056 Replaces 47-43026-2

    18-3056
    $25.99
    Sierra 18-3056 Impeller. OD: 3.479. Bore: 0.875. Thickness: 1.260. Key: ROUND. Blades: 6. For Alpha I-Generation 2 s/n D494569 & above. Replaces: Honda 19210-ZW1-00, Mercury 47-43026-2, 47-43026T2 .

    Sierra Impeller 18-3059 Replaces 5001593

    18-3059
    $31.99
    Sierra 18-3059 Impeller. OD: 3.510. Bore: 0.880. Thickness: 1.270. Key: Oblong. Includes 18-3299 Impeller Key. Blades: 6. Replaces: 395864, 397131, 435821, 435748, 5001593.

    Sierra Impeller Repair Kit 18-3214

    18-3214
    $44.99
    Kit Contains: (3) Impeller Gaskets, (1) Seal Ring, (1) Impeller, (1) Impeller Plate and (1) O-Ring . For Alpha I - Generation II - S/N D494569 & Above. Replaces: Mercury 47-43026T6.

    Sierra Medium Water Pump Kit 18-3517 Replaces 46-96148A8

    18-3517
    $38.99
    Sierra 18-3517 Water Pump Kit. Replaces: Mercury 46-96148A5, 46-60367A1, 46-96148A8.

    Sierra Medium Water Pump Kit with Base 18-3319

    18-3319
    $49.99
    Sierra 18-3319 Water Pump Kit. Includes Base 18-3419. Replaces: Mercury 46-42579A4.

    Sierra Water Pump Kit 18-3324 Replaces 46-77177A3

    18-3324
    $91.99
    Sierra 18-3324 Water Pump Kit for Mercury and Mariner Outboard Motors.

    Sierra Water Pump Kit 18-3389 Replaces 436957

    18-3389
    $76.94
    Sierra 18-3389 Water Pump Kit. Replaces: OEM 436957, 438602.

    Sierra Water Pump Kit with Housing 18-3150 Replaces 46-807151A14

    18-3150
    $97.49
    Sierra 18-3150 Water Pump Kit. Replaces: Mercury 46-807151A14.

    Sierra Water Pump Kit With Housing 18-3327

    18-3327
    $43.55
    Sierra 18-3327 Water Pump Kit. Replaces: OEM 0394711.

    Sierra Water Pump Kit with Housing 18-3382 Replaces 393630

    18-3382
    $49.85
    Sierra 18-3382 Water Pump Kit. Replaces Evinrude Johnson 393630 and Mallory Marine 9-48211.

    Sierra Water Pump Kit With Housing 18-3396-1

    18-3396
    $65.99
    Sierra 18-3396-1 Water Pump Kit. Replaces: 61A-W0078-A2-00 and 61A-W0078-A3-00.

    Sierra Water Pump Kit with Housing 18-3454 Replaces 438592

    18-3454
    $66.95
    Sierra 18-3389 Water Pump Kit. Replaces: OEM 436957 and 438602. For: 40, 50, 25 Jet, 30 Jet 1995-Up. Includes impeller 18-3104.

    Sierra Water Pump Repair Kit With Housing 18-3392

    18-3392
    $69.99
    Sierra 18-3392 Water Pump Kit with Bleeder Hole. Replaces: OMC 434421.

    Sierra Service Valve Kit 18-7044-1

    3351424
    $25.13
    Sierra 18-7044-1 Service Valve Kit for Johnson & Evinrude Engines. Fits all Johnson/Evinrude outboards with primer valve (except 1993 9.9 & 15 horsepower). Includes 18-0871 Service Valve w/ O-Ring. Replaces Johnson/Evinrude 175158 and 437228.

    Honda 1997/1999 & later BF Series Impeller Replaces 18-3250

    4-3250
    $32.54
    Impeller for Honda 4-cyl, 75-150 Hp outboards. Hub uses key. ID: 23.35 mm | OD: 87.8 mm. W: 31 mm | 6 blades. Replaces Honda 19210-ZW1-B04, 19210-ZW1-B03, 19210-ZW1-B02, and Sierra 18-3250.

    Johnson/Evinrude 1969-72 4-cyl 85-125 HP Impeller Replaces 385072

    4-3044
    $34.67
    For 1969-72 Johnson/Evinrude 4-cyl, 85-125 Hp outboards. Hub uses key 47-01408. ID: 19.13 mm | OD: 89 mm. W: 31.9 mm | 6 blades. Replaces BRP 385072, 383334, 384799, and Sierra 18-3044.

    Johnson/Evinrude 1972-78 3-cyl Impeller Replaces 765431

    4-3082
    $29.26
    For 1972-78 Johnson/Evinrude 3-cyl, 65-70 Hp outboards. Hub uses key 47-01407. ID: 19.25 mm | OD: 91.5 mm, W: 25.4 mm | 6 blades. Replaces BRP 765431, 382547, and Sierra 18-3082.

    Johnson/Evinrude 1973-78 Impeller Replaces 777212

    4-3043
    $32.01
    For 1973-78 Johnson/Evinrude 2-cyl, 140-150 Hp | 4-cyl, 85-135 Hp | 6-cyl, 175-235 Hp outboards. Hub uses key 47-01408. ID: 22.3 mm | OD: 89 mm, W: 31.9 mm | 6 blades. Replaces BRP 777212, 389642, 385528, and Sierra 18-3043.

    Johnson/Evinrude 1975-78 Water Pump Service Kit Replaces 438579

    4-3388
    $56.91
    Water Pump Service Kit for 1975-78 Johnson/Evinrude 3-cyl, 70-75 Hp outboard water pumps. Replaces BRP 438579, 386533, 389143, and Sierra 18-3388.

    Johnson/Evinrude 1976-2001 Water Pump Service Kit Replaces 5001594

    4-3390
    $47.53
    Water Pump Service Kit for 1976-2001 Johnson/Evinrude 4-cyl, 65-140 Hp | 6-cyl, 150-235 Hp | 8-cyl, 250-300. Replaces BRP 5001594 and Sierra 18-3390.

    Johnson/Evinrude 1979 & Later Impeller with (2) Keys Replaces 396725

    4-3053
    $25.45
    Impeller with (2) Keys for Johnson/Evinrude 1979 & Later 3-cyl, 60-75 Hp outboards. Hub uses key 47-02357 or 47-01757. ID: 19.15 mm | OD: 91.5 mm. W: 25.4 mm | 6 blades. Replaces BRP 396725, 389557, 437080, 432954, and Sierra 18-3053-1.

    Johnson/Evinrude 1979-2006 Complete Water Pump Kit Replaces 5001594

    4-3392
    $55.09
    Complete Water Pump Kit for 1979-2006 Johnson/Evinrude 4-cyl, 65-140 Hp | 6-cyl, 150-235 Hp | V8, 250-300. Replaces BRP 5001594, 434421, 435447, 395062, 395060, 393082, 392750, 391637, 390768, and Sierra 18-3392.

    Johnson/Evinrude 1979-84 Water Pump Kit with Housing Replaces 395270

    4-3383
    $32.63
    Water Pump Kit with Housing for 1979-84 Johnson/Evinrude 2-cyl, 20-28 Hp outboard water pumps. Replaces BRP 395270 and Sierra 18-3383.

    Johnson/Evinrude 1983-96 Water Pump Service Kit Replaces 393509

    4-3381
    $34.67
    Water Pump Service Kit for 1983-96 Johnson/Evinrude 2-cyl, 18-20 Hp | 3-cyl, 25-35 Hp outboards. Replaces BRP 393509 and Sierra 18-3381.

    Johnson/Evinrude 1989-2002 Water Pump Service Kit Replaces 438592

    4-3394
    $54.47
    Water Pump Service Kit for 1989-2002 Johnson/Evinrude 2-cyl, 40-55 Hp outboards. Replaces BRP 438592, 433549, 433548, and Sierra 18-3394.

    Johnson/Evinrude 1993 & later Complete Water Pump Kit Replaces 5001595

    4-3315-2
    $56.71
    Complete Water Pump Kit for 1993 & later Johnson/Evinrude V4, 90-140 Hp | V6, 150-225 Hp | V8, 250-300 Hp outboard water pumps with housings that DO NOT contain a bleed/relief hole. If housing has bleed hole, use 46-00013. Replaces BRP 5001595, 435929, and Sierra 18-3315-2.

    Johnson/Evinrude 1995-2005 Impeller with O-Ring Replaces 437059

    4-3104
    $26.51
    For 1995-2005 Johnson/Evinrude 2-cyl, 40 Hp | 3-cyl, 50-70 Hp outboards. Hub uses key 47-01757. ID: 19.15 mm | OD: 91.3 mm, W: 25.4 mm | 3 blades. Replaces BRP 437059, 765350, and Sierra 18-3104-1.

    Johnson/Evinrude Water Pump Kit with Housing Replaces 395073

    4-3393
    $65.70
    Water Pump Kit with Housing for 1977-84 Johnson/Evinrude V4, 85-140 Hp | V6, 150-235 Hp outboards. Replaces BRP 395073.

    Johnson/Evinrude Water Pump Kit with Housing Replaces 432955

    4-3389
    $58.56
    Water Pump Kit with Housing for 1979-2001 Johnson/Evinrude 3-cyl, 60-75 Hp outboard water pumps. Replaces: BRP 432955, Sierra 18-3389, and GLM 12246.

    Mercruiser 1979-86 2-Cyl Water Pump Kit Replaces 89981

    4-3239
    $25.27
    For 1979-86 Mercury/Mariner 2-cyl, 4-9.8 Hp outboards. Replaces: Mercury 89981, 46895, 911871, Sierra 18-3239, and GLM 12270.

    Mercruiser 1985-1990 MR/Alpha One Water Pump Base Replaces 44292A3

    4-3420
    $31.66
    Water Pump Base for 1985-1990 MR/Alpha One water pumps. Replaces Mercruiser 44292A3 and Sierra 18-3420.

    Mercruiser 4-cyl 1983-89 Exhaust Shutter Replaces 60930

    4-2727
    $26.88
    Exhaust Shutter for MerCruiser 4-cyl 1983-89. Replaces Mercury 60930, Sierra 18-2727, and Mallory 9-42800.

    Mercruiser Alpha Gen II Water Pump Kit with Housing Replaces 18-3147

    4-3147
    $99.99 $111.98
    Water Pump Kit with Housing for 1991 & later MerCruiser Alpha Gen II water pumps. Replaces Mercury 817275Q05, 817275Q4, 817275A5, 817275A4, 817275A3, and Sierra 18-3147.

    Mercruiser Alpha One Pump Kit with Housing Replaces 96148Q8

    4-3517
    $28.34
    For 1978-90 MC-1 & R/MR/Alpha One water pumps. Replaces: Mercury 96148Q8 | 96148A8 | 96148A5 | 96148B8 | 58618A4 | 64141A11 | 78400A2 | 73802A3 | 73804A3 | 96148B5 | 57234A3 | 60367A4 | 48747A3 | 44292A4 | 42579A4 | 69222A3.

    Mercruiser Complete Water Pump Kit with Housing Replaces 77177A3

    4-3324
    $71.41
    Complete Water Pump Kit for For 1976-80/1982-93 Mercury/Mariner 3-cyl, 50-70 outboards. Replaces: Mercury 77177A3 and OMC 775453.

    Mercruiser Water Pump Kit with Housing Replaces 60366Q1

    4-3507
    $40.59
    Water Pump Kit with Housing for 1976 & earlier Mercury/Mariner 4-cyl, 35-50 Hp outboards. Replaces Mercury 60366Q1, 60366A1, 32767A1, and Sierra 18-3507.

    Mercury 1967-72 1-Drive Bellow with Clamps Replaces 36223A2

    4-2752
    $48.96
    Bellow with Clamps for 1967-72 MerCruiser 1-Drive, ridgeless, bell housing assemblies. Replaces Mercury 36223A2, 36223A1, 36223, and Sierra 18-2752.

    Mercury 1975-78/1982-86 MC-1 & R/MR/Alpha One Exhaust Bellow Replaces 53114A1

    4-2759
    $46.73
    Exhaust Bellow for 1975-78/1982-86 MerCruiser MC-1 & R/MR/Alpha One bell housing assemblies. Replaces Mercury 53114A1, 53114, and Sierra 18-2759.

    Mercury 1978-95 MC-1 & R/MR/Alpha One Upper 3" Exhaust Bellow Replaces 70981A3

    4-2762
    $34.67
    Upper 3" Engine Exhaust Bellow for 1978-95 MerCruiser MC-1 & R/MR/Alpha One exhaust. Replaces Mercury 70981A3, 70981B3, 70981, and Sierra 18-2762.

    Mercury 1982 & later R/MR/Alpha One Lower Tube Exhaust Bellow Replaces 14358001

    4-2746
    $32.63
    Lower Tube Exhaust Bellow for 1982 & later MerCruiser R/MR/Alpha One bell housing assemblies. 4" oval. Replaces Mercury 14358001, 14358T, 14358, OMC 775486, and Sierra 18-2746.

    Mercury 1982-97 R/MR/Alpha One Lower Tube 3" Exhaust Bellow Replaces 90949T

    4-2761
    $36.71
    Lower Tube 3" Exhaust Bellow for 1982-97 MerCruiser R/MR/Alpha One bell housing assemblies. Replaces 90949T, 90949, and Sierra 18-2761.

    Mercury 1983 & later Exhaust Tube Bellow with Clamp Replaces 78458A1

    4-2760
    $43.86
    Exhaust Tube Bellow with Clamp for most MerCruiser bell housing assemblies after 1982. Replaces Mercury 78458A1, 78458, and Sierra 18-2760.

    Mercury 1987-2009 Alpha One, Gen II, Bravo & SSM 4" Engine Exhaust Bellow Replaces 44348001

    4-2748
    $35.70
    4" Engine Exhaust Bellow for 1987-2009 MerCruiser Alpha One, Alpha Gen II, Bravo & SSM bell housing assemblies. Replaces Mercury 44348001 and Sierra 18-2748.

    Mercury 1988-2009 Bravo Bellow with Clamp & Sleeve Replaces 8M0062406

    4-2756
    $54.47
    Bellow with Clamp & Sleeve for MerCruiser Bravo, Bravo X, Bravo XR, Bravo XZ & Blackhawk bell housing assemblies. Replaces Mercury 8M0062406, 86840A05, 86840A3, and Sierra 18-2756.

    Mercury 1996-98 Alpha Gen II & Bravo Exhaust Bellow Replaces 807458T

    4-2770
    $61.20 $77.90
    Exhaust Bellow for 1996-98 MerCruiser Alpha Gen II & Bravo bell housing assemblies. Replaces Mercury 807458T, and Sierra 18-2770.

    Mercury 1998/2007-08 V8 390 HP Bravo Impeller Replaces 8M0104229

    4-3016-1
    $28.34
    Impeller Kit for 1998/2007-08 MerCruiser V8, 390 Hp Bravo water pumps. Double Flat Drive Hub. ID: 11.4 mm | OD: 66.5 mm. W: 50.6 mm | 8 blades. Replaces Mercury 8M0104229, 862232A2, and Sierra 18-3016-1.

    Mercury/Mariner 1973 & Later Water Pump Housing Replaces 96148T1

    4-3116
    $38.54
    Water Pump Housing for 1973 & later Mercury/Mariner 4-cyl, 65-85 Hp | 6-cyl, 90-150 Hp | V6, 115-225 Hp outboard water pumps. Replaces Mercury 96148T1, Sierra 18-3116, and GLM 12410.

    Mercury/Mariner 1979 2-Cyl Water Pump Service Kit Replaces 84277T

    4-3148
    $34.47
    Water Pump Service Kit for 1979 Mercury/Mariner 2-cyl, 15 Hp outboards. Does not include housing. Replaces Mercury 84277T, 84277M, and Sierra 18-3148

    Mercury/Mariner 1988-2001 Impeller Service Kit Replaces 85089Q4

    4-3215
    $26.51
    Impeller Service Kit for 1988-2001 Mercury/Mariner 2-cyl, 15-25 Hp outboards. Replaces Mercury 85089Q4, 85089T7, and Sierra 18-3215.

    Mercury/Mariner 1991-2007/2009-10 Impeller Replaces 19453T

    4-8900
    $28.56
    Impeller for Mercury Mariner 3-cyl, 55-60 Hp | 4-cyl, 40-80 Hp outboards. Hub uses key. ID: 19.25 mm | OD: 78.2 mm. W: 25.15 mm | 6 blades. Replaces Mercury 19453T and Sierra 18-8900.

    Neoprene Impeller with Gaskets Replaces 4568-0001 / 09-801B

    4-3075
    $36.71
    For 1965-93 Johnson Pump & Jabsco water pumps. Includes plug, gaskets and key. ID: 15.93 mm | OD: 57 mm, W: 31.6 mm | 12 blades. Replaces Jabsco 4568-0001, Johnson Pump 09-801B, and Sierra 18-3075.

    Nissan/Tohatsu 2-Stroke Impeller Replaces 18-8924

    4-8924
    $35.70
    Impeller for Nissan/Tohatsu 3-cyl, 60-90 Hp | 4-cyl 115-140 Hp outboards. Hub uses key. ID: 20.3 mm | OD: 65.75 mm. W: 35.2 mm | 6 blades. Replaces Tohatsu 3C7-65021-1, 3B7-65021-2, and Sierra 18-8924.

    Nitrile Impeller with Gaskets Replaces 1210-0003 / 09-1027B-9

    4-3020
    $29.74
    For various years Johnson Pump & Jabsco water pumps. Includes o-rings and gaskets. Spline hub, ID: 14.29 mm | OD: 57 mm, W: 31.6 mm | 12 blades. Replaces Jabsco 1210-0003 and Johnson Pump 09-1027B-9.

    OMC 1979-93 Stringer Impeller with SS Hub Replaces 777130

    4-3086
    $28.34
    Impeller with SS hub for 1979-9 OMC 2.5-3.0L 4-cyl, | 4.3L V6 | 5.0-7.4L V8. Hub uses key. ID: 22.3 mm | OD: 109.5 mm, W: 24.8 mm | 6 blades. Replaces OMC 777130, 379475, and Sierra 18-3086.

    OMC 1986-90 Cobra & King Cobra 5.0-7.5L V8 Bellow Replaces 912374

    4-2745
    $25.98
    Bellow for 1986-90 OMC 5.0-7.5L V8, 230-330 Hp bell housing. Replaces OMC 912374 and Sierra 18-2745.

    OMC 1986-97 SX/DP Drive Exhaust Bellow Replaces 767724

    4-1074
    $30.39
    Exhaust Bellow for 1986-97 SX/DP Drive bell housing. Replaces OMC 767724 and Sierra 18-1074.

    Pleasurecraft Neoprene Impeller with O-Ring Replaces RP061015

    4-3060
    $28.55
    For Pleasurecraft. ID: 15.9 mm | OD: 62 mm, W: 31.7 mm | 12 blades. Replaces PCM RP061015, Sierra 18-3060, Crusader 22212, and Jabsco/Johnson Pump 18838-0001.

    Sherwood Impeller Replaces 10615 / 18-3061

    4-3061
    $26.30
    Impeller for Sherwood water pumps. Hub uses key. ID: 15.9 mm | OD: 65.2 mm. W: 41.3 mm | 12 blades. Replaces Sherwood 10615 and Sierra 18-3061.

    Suzuki 1998-2009 4-Stroke 60-70 Hp Impeller Replaces 18-3049

    4-3049
    $29.57
    Impeller for Suzuki 4-cyl, 60-70 Hp outboards. Hub uses key. ID: 22.2 mm | OD: 78.3 mm. W: 26 mm | 6 blades. Replaces Suzuki 17461-87E12, 17461-87E10, and Sierra 18-3049.

    Suzuki 2000-04 2-Stroke & 4-Stroke Impeller Replaces 18-3023

    4-3023
    $34.67
    Impeller for 2000-04 Suzuki 4-cyl, 90-175 Hp | V6, 150-200 Hp outboards. Hub uses key. ID: 24.4 mm | OD: 86 mm. W: 31.7 mm | 6 blades.

    Volvo 1993 & Later SX Drive Exhaust Hose Replaces 3852696

    4-2779
    $27.53
    Exhaust Hose for 1993 & later SX drive 4.3L V6, 160-205 Hp | 5.0-7.4L V8, 190-385 Hp. Replaces Volvo 3852696, Sierra 18-2779, and GLM 89224.

    Volvo Impeller with Gaskets Replaces 21951356 / 09-1028B

    4-3077
    $40.80
    For 1965 & later 4-cyl, 68-300 Hp | 5-cyl, 106-220 Hp | 6-cyl, 59-870 Hp engines. Spline Hub. ID: 14.29 mm | OD: 65 mm, W: 50.2 mm | 8 blades. Replaces Volvo 21951356, 3841697, 877061, 875593, Johnson Pump 09-1028B, and Sierra 18-3077.

    Volvo Neoprene Impeller with Gaskets Replaces 21951356 / 836-0001

    4-3078
    $65.29
    For 1965 & later 6-cyl, 110-357 Hp engines. Spline Hub. ID: 22.5 mm | OD: 96 mm, W: 63.1 mm | 9 blades. Replaces Volvo 21951356, 3841697, 877061, 875593, Jabsco 836-0001, and Sierra 18-3078.

    Yamaha 1984 & later 60-90 HP Water Pump Service Kit Replaces 18-3370

    4-3370
    $33.24
    Water Pump Service Kit for 1984 & later 60-90 Hp outboards. Replaces Yamaha 692-W0078-A0-00, 692-W0078-01-00, 692-W0078-00-00, and Sierra 18-3370.

    Yamaha 1984 & later Water Pump Kit with Housing Replaces 18-3371

    4-3371
    $36.71
    Water Pump Kit for 1984 & later 60-90 Hp outboards. Replaces Yamaha 692-W0078-A0-00 and Sierra 18-3371.

    Yamaha 1984-92 115-130 HP Water Pump Kit with Housing Replaces 18-3373

    4-3373
    $65.29
    Yamaha Water Pump Kit with Housing for 1984-92 115-130 Hp outboards. Replaces Yamaha 61A-W0078-A2-00, 61A-W0078-A3-00, and Sierra 18-3373.

    Yamaha 1984-92 150-225 HP Water Pump Kit with Housing Replaces 18-3311

    4-3311
    $59.16
    Yamaha Water Pump Kit with Housing for 1984-92 150-225 HP outboards. Replaces Yamaha 6G5-W0078-A1-00, 6G5-W0078-01-00, 6G5-W0078-00-00, and Sierra 18-3311.

    Yamaha 1984-94 40-50 HP Water Pump Service Kit Replaces 18-3429

    4-3429
    $32.63
    Water Pump Service Kit for 1984-94 40-50 Hp outboards. Replaces Yamaha 6H4-W0078-A0-00, and Sierra 18-3429.

    Yamaha 1988 & later 25 HP Water Pump Service Kit Replaces 18-3431

    4-3431
    $27.53
    Water Pump Service Kit for 1988 & later 25 Hp outboards. Replaces Yamaha 6L2-W0078-00-00 and Sierra 18-3431.

    Yamaha 1990-96 150-250 HP Water Pump Service Kit Replaces 18-3395

    4-3395
    $51.00
    Water Pump Service Kit for 1990-96 150-250 Hp outboards. Replaces Yamaha 61A-W0078-A3-00, 61A-W0078-A2-00, 64L-W0078-00-00, 64L-W0078-00-00, and Sierra 18-3395.

    Yamaha 1993-96 115-130 HP Water Pump Service Kit Replaces 18-3312

    4-3312
    $51.00
    Water Pump Service Kit for 1993-96 115-130 HP outboards.. Replaces Yamaha 6N6-W0078-00-00 and Sierra 18-3312.

    Yamaha 1996 & later 115-300 HP Water Pump Housing Replaces 18-3171

    4-3171
    $28.00
    Water Pump Housing for 1996 & later 115-300 Hp water pumps. Replaces Yamaha 688-44311-01-00 and Sierra 18-3171.

    Yamaha 1997 & later 115-130 HP Water Pump Kit with Housing Replaces 18-3313-1

    4-3313
    $71.41
    Water Pump Kit with Housing for 1997 & later 115-130 Hp outboards. Replaces Yamaha 6N6-W0078-02-00 and Sierra 18-3313-1.

    Johnson/Evinrude 1990-95 143 Degree Thermostat Replaces 434137

    4-3500
    $25.61
    Thermostat 143 Deg. for 1990-95 BRP 3-cyl, 60-75 Hp looper outboards. Replaces BRP 434137, Sierra 18-3500, and GLM 13170.

    Mercruiser 120 Degree Thermostat Replaces 14586

    4-3549
    $25.43
    120 Deg. Thermostat for Mercury Mariner 2-cyl, 6-40 Hp | 3-cyl, 50-75 Hp | 4-cyl, 40-125 Hp | V6, 225 Hp outboards. Replaces Mercury 14586 and Sierra 18-3549.

    Mercruiser Thermostat Kit Replaces 75692

    4-3672
    $25.94
    Thermostat Kit for Mercury Mariner 2-cyl, 9.8-40 Hp | -cyl, 50-65 Hp | 4-cyl, 100-140 Hp outboards. Replaces: Mercury 75692, 62386001, and OMC 5005440, 0310058.

    Mercury 1983 & later 160 Degree Thermostat Kit Replaces 807252Q5

    4-3647
    $26.51
    Thermostat Kit 160 Deg. for 1983 & late MerCruiser GM engines with standard cooling. Replaces Mercury 807252Q5, 807252T5, and Sierra 18-3647.

    Mercury 1994-2005 143 Degree Thermostat Replaces 833072003

    4-3536
    $28.55
    Thermostat 143 Deg. for 1994-2005 Mercury Mariner 4-cyl, 115-135 Hp | V6, 150-300 Hp outboards. Replaces Mercury 833072003 and Sierra 18-3536.

    Mercury 2000-2014 130 Degree Thermostat Replaces 8M0057307

    4-3535
    $57.13
    Thermostat 130 Deg. for 2000-2014 Mercury Mariner V6, 200-300 Hp outboards. Replaces Mercury 8M0057307, 885599004, 885599003, 8855991, and Sierra 18-3535.

    Johnson/Evinrude SS Dual Thermostat Kit Replaces 5005440

    4-3673
    $46.91
    SS Dual Thermostat Kit for BRP V4, 90-140 crossflow outboards. Replaces BRP 5005440 and Sierra 18-3673.

    Outboard Cooling Systems

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