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Mercury Outboard Cooling System

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Parts Selection Guide

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      • Sierra 18-3214 Impeller Kit Replaces 47-8M0100526
        List Price: $36.49
        Starting At: $25.45

        Sierra 18-3214 Impeller Repair Kit for Mercury, Mercruiser For Use On Alpa I Gen II, BF70, And BF90 S/N D494569 & Above. Kit Includes: (1) 18-2564 Water Pump Base to Face Plate Gasket (1) 18-2565 Water Pump Base to Gear Housing Gasket (1)...

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      • Sierra 18-3319 Water Pump Kit Replaces 46-96148A8
        List Price: $50.49
        Starting At: $35.49

        Sierra 18-3319 Water Pump Kit for Mercury and Mercruiser Sierra high-quality engine parts are designed to meet OEM specifications. This Water Pump Kit is the same as 18-3316 except the base. Includes water pump base 18-3419 (replaces 46-8M0077147). For...

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      • Sierra 18-3570 Water Pump Kit
        List Price: $69.99
        Starting At: $47.31

        Sierra 18-3570 Water Pump Kit for Mercury Outboards Sierra engine parts are engineered to meet today's high horsepower engine demands and stand up to the harsh marine environment. All Sierra products meet or exceed the original part it replaces. This...

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      • Sierra 18-3517 Water Pump Kit Replaces 46-60367A1
        List Price: $68.49
        Starting At: $25.13

        Sierra 18-3517 Upper Housing Water Pump Kit for Mercruiser Alpha One Drives Up to 1990 & Mercury 4-3/4 Gearcase Outboards For Use On Engine Models: Mercruiser #1 drives w/flush screw in housing. SN 2495186-2763441 Mercruiser #1 drives w/o flush...

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      • Sierra 18-3217 Impeller Kit Replaces 46-96148A8
        List Price: $52.49
        Starting At: $18.81

        Sierra 18-3217 Water Pump Repair Kit for Mercruiser, Mercury For #1 Units thru S/N D494568 (Similar to #46-96148A5 without base or housing) Used on Mercruiser Stern Drives and Mercury Outboards. This kit contains all the components needed to properly...

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      • Sierra 18-3017 Water Pump Impeller Replaces 47-89984T3
        List Price: $20.49
        Starting At: $13.39

        Sierra 18-3017 Water Pump Impeller for Mercury For Use On All #1,R,Mr,Alpha Units Thru S/N D494568 Also For Raw Water Pump On 190IB S/N 1564539-1720903 &225IB S/N...

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      • Sierra 18-3207 Impeller Kit Replaces 47-89983Q1
        List Price: $42.49
        Starting At: $18.07

        Impeller Repair Kit for Mercury For Use On Engine Models: 30 1271884 - 1448139 30 Jet C159200 - G589999 35hp 1217222 - 1448139 35hp 1571114 - 1960826 35hp 1960827 - 6445652 35hp 6445653 & UP 40hp 2874704 - 4362214 40hp 4362215 - 4860102 40hp (2 cyl)...

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      • Sierra 18-3553 Thermostat Replaces 75692
        List Price: $14.99
        Starting At: $10.47

        Sierra 18-3553 Mercury Thermostat Sierra 18-3553 Thermostats have a 143°F temperature rating. For use on Mercury Marine engines. Interchangeable with: GLM 13010 Mallory 9-43019 Mercury Marine 75692 62981 66850 75692B  

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      • Sierra 18-3239 Impeller Repair Kit
        List Price: $17.99
        Starting At: $12.38

        Sierra 18-3239 Water Pump Repair Kit for Mercury, Mariner Sierra high-quality engine parts are designed to meet OEM specifications. For small gear case engines under 9.9 hp. Kit Includes: (1) 18-3039 Impeller (1) 18-3139 Impeller Plate (1) 18-7409...

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      • Sierra 18-3215 Impeller Kit Replaces 47-85089Q4
        List Price: $42.49
        Starting At: $24.45

        Sierra 18-3215 Water Pump Impeller Kit for Mercury, Force 18-25 HP Sierra high-quality engine parts are designed to meet OEM specifications. Fits various 15 thru 25 HP 2-Cycle Outboards Kit Contains: (2) 18-2560 Impeller Washer Gasket (1)...

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      • Sierra 18-3007 Water Pump Impeller Replaces 47-89983T
        List Price: $17.99
        Starting At: $14.68

        Sierra 18-3007 Water Pump Impeller Sierra high-quality engine parts are designed to meet OEM specifications. Fits various 30-70 HP outboards. Interchangeable with: GLM 89830 Mallory 9-45300 Mercruiser Stern Drive 47-20268 Mercury...

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      • Sierra 18-3316 Water Pump Kit Replaces 46-96148A8
        List Price: $72.99
        Starting At: $39.95

        Inboard/Outboard Water Pump Kit Fits Mercury/Mariner 65 hp (4 cylinder) through V-6 outboards with short-vane impellers and fits Mercruiser I/R/MR/Alpha drives (s/n 2495186 - 0D469858) Kit Contains: Water Tube Guide #18-3109, O.E. #23-29804, qty. 1 ...

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      • Sierra 18-3057 Water Pump Impeller Replaces 0508441
        List Price: $19.99
        Starting At: $14.63

        Sierra 18-3057 Water Pump Impeller for Mercury Sierra high-quality engine parts are designed to meet OEM specifications. For use on Chrysler/Force/US Marine, Mercury Marine, and Sears engines. Fits various 15 thru 25 HP outboards Interchangeable...

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      • Water Pump Repair Kit, Mercury - Mercruiser 47-8M0100527
        List Price: $51.99
        Starting At: $43.21

        Water Pump Repair Kit, Mercury - Mercruiser 47-8M0100527 Fits: 40/45/50/60 Fourstroke BigFoot 60 (3cyl) Bigfoot 75 - 125 (all 3 & 4 cylinder 0A996142 & above) 75, 90, 115 Fourstroke V-200/225/250 (3.0L) Mercruiser Alpha One Gen II...

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      • Sierra 18-3569 Thermostat Kit Replaces 803061T1
        List Price: $20.99
        Starting At: $14.20

        Sierra 18-3569 Mercury Thermostat Kit  Sierra replacement thermostat kits are designed to meet OEM specifications. This kit fits various Mercury/Mariner 70-125 HP 2 cycle outboards (1987 and newer). Temperature rating: 120°F Kit...

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      • Sierra 18-3507 Water Pump Kit Replaces 46-60366Q1
        List Price: $54.99
        Starting At: $36.95

        Water Pump Kit for Mercury by Sierra Kit Includes: Sie-18-3007 Impeller Sie-18-3118 Upper Pump Housing Sie-18-2945 Drain Gasket Sie-18-2823 Lower Water Pump Base To Face Plate Gasket Sie-18-2824 Upper Face Plate To Body Gasket Sie-18-2825 Water Pump...

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      • Water Pump Upper Repair Kit - Mercruiser I/R/MR/Alpha 46-96148T-8
        List Price: $57.59
        Starting At: $47.93

        Water Pump Upper Repair Kit - Mercruiser I/R/MR/Alpha 46-96148T-8 Fits Mercruiser I/R/MR/Alpha drives (s/n 2495186 - OD469858) Also fits Mercury/Mariner 65 HP (4 cylinder) through V-6 outboards with short vane impellers Includes: Plastic Pump...

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      • Sierra 18-3293 Impeller Key Replaces 28-8M0032833
        List Price: $2.99
        Starting At: $2.71

        Sierra 18-3293 Impeller Key Sierra high-quality engine parts are designed to meet OEM specifications.  Use with: 47-43026 series long vane impeller Fits MCM Alpha One Gen II & various O/B applications Interchangeable...

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      • Sierra 18-3265 Water Pump Service Kit Replaces 47-43026Q06
        List Price: $42.49
        Starting At: $33.64

        Sierra 18-3265 Mercury Water Pump Impeller Repair Kit For use on Mercury/Mariner Outboard Engines For:  135/150/175 4-Stroke Verado (S/N 1B227000 & Up). 200/225 4-Stroke Verado (S/N OT980000 & Up), 250/275 4-Stroke Verado (S/N OT801000...

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      • Sierra 18-3446 Water Pump Kit Replaces 46-70941A3
        List Price: $82.99
        Starting At: $51.45

        Mercury Water Pump Kit by Sierra For: 4/4.5 HP Contains: Impeller: 18-3039 Impeller Plate: 18-3139 Replaces: Mercury Marine - 46-70941A3 GLM - 12122  

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