Cooling System
Keep your MerCruiser engine operating at the proper temperature with genuine Mercury MerCruiser cooling system parts. Shop water pump kits, impellers, thermostats, circulating pumps, seawater pump components, housings, gaskets, seals, and other OEM replacement parts designed for Alpha, Bravo, and inboard MerCruiser applications. Genuine MerCruiser cooling system components are engineered for reliable performance, proper engine cooling, and long service life.
Not sure which cooling system parts fit your engine? Contact our team with your engine serial number for assistance confirming compatibility.
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Mercury/Quicksilver Exhaust Elbow to Manifold Gasket 8M2004414
Quicksilver
MSRP: $65.49$55.67Mercury / Quicksilver Exhaust Elbow to Manifold Gasket 8M2004414 Genuine Quicksilver exhaust elbow to manifold gasket designed for select 2008 and newer MerCruiser V6 and V8 sterndrive and inboard engines with standard cooling systems. Engineered to help...8M2004414- SKU:
- 8M2004414
- Availability:
- Usually Ships within 24hours
- Weight:
- 4.32 Ounces
MSRP: $65.49$55.67 -
Quicksilver Water Pump Impeller (Various Outboards & MerCruiser Sterndrives) 43026T2
Quicksilver
MSRP: $36.49$31.02Quicksilver Water Pump Impeller (Various Mercury Outboards & MerCruiser Sterndrives) 43026T2 Maintain proper engine cooling and protect your investment with this genuine Quicksilver water pump impeller. Designed for a wide range of Mercury outboards...43026T2- SKU:
- 43026T2
- Availability:
- Usually Ships within 24hours
- Weight:
- 2.08 Ounces
MSRP: $36.49$31.02 -
Mercury Gasket (Thermostat) 8M0238323
Mercury
MSRP: $10.20$8.67Mercury Thermostat Gasket, GM V6 & V8 2-Piece Thermostat Housing 8M0238323 is a genuine OEM replacement gasket designed for older-style 2-piece thermostat housings on compatible MerCruiser MCM and MIE GM V6 and V8 engines. A properly sealing...8M0238323- SKU:
- 8M0238323
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.05 Ounces
MSRP: $10.20$8.67 -
Mercury HSG KT-THERMOSTAT OEM 879330T39
Mercury
MSRP: $1,913.80$1,626.73Genuine Mercury HSG KT-THERMOSTAT, part number 879330T39. Designed for use with compatible applications.879330T39- SKU:
- 879330T39
- Availability:
- Usually Ships within 24hours
- Weight:
- 68.80 Ounces
MSRP: $1,913.80$1,626.73 -
Quicksilver Fuel Pump Cooler Kit (MerCruiser V6 & V8 Engines) 8M0125846
Quicksilver
MSRP: $1,079.99$917.99The Quicksilver Fuel Pump Cooler Kit (MerCruiser V6 & V8 Engines) 8M0125846 is a genuine Quicksilver OEM fuel system component designed for select MerCruiser sterndrive and inboard engines manufactured by General Motors. Compatible With: MerCruiser...8M0125846- SKU:
- 8M0125846
- Availability:
- Usually Ships within 24hours
- Weight:
- 60.80 Ounces
MSRP: $1,079.99$917.99 -
Quicksilver Fuel Pump/Cooler Kit (MerCruiser MPI V6 & V8 Engines) 8M0125852
Quicksilver
MSRP: $1,071.49$910.77The Quicksilver Fuel Pump/Cooler Kit (MerCruiser MPI V6 & V8 Engines) 8M0125852 is a genuine Quicksilver OEM fuel system kit designed for select MerCruiser EFI sterndrive and inboard engines manufactured by General Motors. Compatible...8M0125852- SKU:
- 8M0125852
- Availability:
- Usually Ships within 24hours
- Weight:
- 59.76 Ounces
MSRP: $1,071.49$910.77 -
Mercury Sea Water Pump Body & Impeller Kit, 2-Piece Plastic Pump 72774A89
Quicksilver
MSRP: $193.49$164.47Mercury Sea Water Pump Body & Impeller Kit, 2-Piece Plastic Pump 72774A89 is a genuine Mercury/Quicksilver OEM repair kit designed for compatible MerCruiser engines equipped with a 2-piece plastic sea water pump. Replacing worn pump components helps...72774A89- SKU:
- 72774A89
- Availability:
- Usually Ships within 24hours
- Weight:
- 16.10 Ounces
MSRP: $193.49$164.47 -
Mercury Mercruiser Water Pump Body & Impeller Kit, Engine-Mounted Pump 807151A14
Quicksilver
MSRP: $145.49$123.67Mercury Sea Water Pump Body & Impeller Kit, Engine-Mounted Pump 807151A14 is a genuine Mercury/Quicksilver OEM service kit designed for MerCruiser engines equipped with an engine-mounted sea water pump system. Replacing the pump body and impeller...807151A14- SKU:
- 807151A14
- Availability:
- Usually Ships within 24hours
- Weight:
- 31.68 Ounces
MSRP: $145.49$123.67 -
Mercury PLATE-THERMOSTAT OEM 8M0180926
Mercury
MSRP: $131.99$112.19Genuine Mercury PLATE-THERMOSTAT, part number 8M0180926. Designed for use with compatible applications.8M0180926- SKU:
- 8M0180926
- Availability:
- Usually Ships within 24hours
- Weight:
- 4.91 Ounces
MSRP: $131.99$112.19 -
Mercury Water Pump Impeller Kit 879194186
Mercury
MSRP: $104.99$89.24Mercury Water Pump Impeller Kit 879194186 is a genuine OEM replacement kit designed to restore proper cooling system performance on compatible Mercury and MerCruiser applications. Replacing the water pump impeller at the recommended service interval...879194186- SKU:
- 879194186
- Availability:
- Usually Ships within 24hours
- Weight:
- 7.50 Ounces
MSRP: $104.99$89.24 -
Mercury Heavy Duty Water Pump Impeller Kit, 4.5L & 6.2L MerCruiser 8M0137220
Quicksilver
MSRP: $102.49$87.12Mercury Heavy Duty Water Pump Impeller Kit, 4.5L & 6.2L MerCruiser 8M0137220 is a genuine Mercury/Quicksilver OEM service kit designed for compatible 4.5L and 6.2L MerCruiser engines. Replacing the water pump impeller and wear components at the...8M0137220- SKU:
- 8M0137220
- Availability:
- Usually Ships within 24hours
- Weight:
- 9.44 Ounces
MSRP: $102.49$87.12 -
Mercury HOSE-72 INCH OEM 9884339
Mercury
MSRP: $97.99$83.29Genuine Mercury HOSE-72 INCH, part number 9884339. Designed for use with compatible applications.9884339- SKU:
- 9884339
- Availability:
- Usually Ships within 24hours
- Weight:
- 15.84 Ounces
MSRP: $97.99$83.29 -
Mercury Water Pump Impeller Kit, Heavy Duty 4.5L & 6.2L MerCruiser 8M0137221
Quicksilver
MSRP: $82.99$70.54Mercury Heavy Duty Water Pump Impeller Kit, 4.5L & 6.2L MerCruiser 8M0137221 is a genuine Mercury/Quicksilver OEM service kit designed for compatible 4.5L and 6.2L MerCruiser engines. Replacing the water pump impeller and wear components at the...8M0137221- SKU:
- 8M0137221
- Availability:
- Usually Ships within 24hours
- Weight:
- 8.96 Ounces
MSRP: $82.99$70.54 -
Mercury Water Separating Fuel Filter Kit (High-Capacity) 8M0082291
Mercury
MSRP: $80.49$68.49The Mercury High-Capacity Water Separating Fuel Filter Kit 8M0082291 is a genuine Mercury OEM fuel filtration system designed to deliver high-volume fuel flow for a wide range of marine applications. This remote-mounted filtration system helps protect...8M0082291- SKU:
- 8M0082291
- Availability:
- Usually Ships within 24hours
- Weight:
- 43.20 Ounces
MSRP: $80.49$68.49 -
Quicksilver Ignition Wire Kit (V6 MerCruiser Thunderbolt IV) 816761Q16
Quicksilver
MSRP: $80.49$68.42Quicksilver Ignition Wire Kit (V6 MerCruiser Thunderbolt IV) 816761Q16 is a genuine OEM replacement spark plug wire set designed for V6 MerCruiser engines equipped with Thunderbolt IV ignition systems. Replacing worn ignition wires helps maintain...816761Q16- SKU:
- 816761Q16
- Availability:
- Usually Ships within 24hours
- Weight:
- 21.74 Ounces
MSRP: $80.49$68.42 -
Mercury Water Pump Repair Kit, 65HP-225HP Outboards & Alpha Sterndrives 96148Q8
Quicksilver
MSRP: $74.99$63.74Mercury Water Pump Repair Kit, 65HP-225HP Outboards & Alpha Sterndrives 96148Q8 is a genuine Mercury/Quicksilver OEM service kit designed for a wide range of Mercury and Mariner outboards and MerCruiser sterndrives with short vane impellers. This...96148Q8- SKU:
- 96148Q8
- Availability:
- Usually Ships within 24hours
- Weight:
- 10.37 Ounces
MSRP: $74.99$63.74 -
Mercury Water Pump Repair Kit, 65HP Outboards & Alpha Sterndrives 89984T5
Mercury
MSRP: $69.49$58.99Mercury Water Pump Repair Kit, 65HP Outboards & Alpha Sterndrives 89984T5 is a genuine OEM service kit designed for compatible Mercury and Mariner 65HP 4-cylinder outboards and MerCruiser I, R, MR, and Alpha sterndrives with short vane impellers...89984T5- SKU:
- 89984T5
- Availability:
- Usually Ships within 24hours
- Weight:
- 4.64 Ounces
MSRP: $69.49$58.99 -
Mercury/Quicksilver Fuel & Water Separating Filter Assembly 802893Q4
Quicksilver
MSRP: $65.49$55.67Mercury/Quicksilver Fuel & Water Separating Filter Assembly 802893Q4 Genuine Quicksilver fuel and water separating filter assembly designed for Mercury, Mariner, and Force outboards plus MerCruiser sterndrive and inboard engines. Includes fuel filter...802893Q4- SKU:
- 802893Q4
- Availability:
- Usually Ships within 24hours
- Weight:
- 30.45 Ounces
MSRP: $65.49$55.67 -
Mercury Sea Water Pump Impeller Kit, Engine-Mounted Sea Water Pump 59362T6
Quicksilver
MSRP: $65.49$55.67Mercury Sea Water Pump Impeller Kit, Engine-Mounted Sea Water Pump 59362T6 is a genuine Mercury/Quicksilver OEM service kit designed for compatible MerCruiser engines equipped with a one-piece plastic engine-mounted sea water pump. Replacing the impeller...59362T6- SKU:
- 59362T6
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.40 Ounces
MSRP: $65.49$55.67 -
Mercury Sea Water Pump Impeller Kit, Bravo I, II & III 59362A4
Quicksilver
MSRP: $64.49$54.82Mercury Sea Water Pump Impeller Kit, Bravo I, II & III 59362A4 is a genuine Mercury/Quicksilver OEM service kit designed for MerCruiser Bravo I, Bravo II, and Bravo III sterndrives equipped with a two-piece plastic sea water pump. Replacing the...59362A4- SKU:
- 59362A4
- Availability:
- Usually Ships within 24hours
- Weight:
- 0.34 Ounces
MSRP: $64.49$54.82
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