Skip to content
Celebrating over 50 years of Trusted Marine Service
Over 50 years of Trusted Marine Service

Mercury MerCruiser and quicksilver Cooling System Parts

Water pumps, impellers, thermostats, heat exchangers, and cooling system components

Mercury MerCruiser Sea Pump Bracket 8077491

Original price $118.59 - Original price $118.59
Original price $118.59
$118.59
$118.59 - $118.59
Current price $118.59
Only 2 left!

Mercury / MerCruiser Quicksilver Sea Pump Bracket — 8077491 The Mercury MerCruiser 8077491 is a genuine OEM sea water pump mounting bracket used o...

View full details
Original price $118.59 - Original price $118.59
Original price $118.59
$118.59
$118.59 - $118.59
Current price $118.59

Mercury - Sea Water Pump Gasket - 27-881603001

Original price $0.00 - Original price $0.00
Original price $0.00
$69.15
$69.15 - $69.15
Current price $69.15
Only 4 left!

The Mercury MerCruiser Quicksilver 27-881603001 Sea Water Pump Gasket is an OEM replacement gasket for select high-displacement MerCruiser sterndri...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$69.15
$69.15 - $69.15
Current price $69.15

Mercury - Water Distributor Thermostat Housing Gasket - 27-475901

Original price $0.00 - Original price $0.00
Original price $0.00
$4.99
$4.99 - $4.99
Current price $4.99
Only 5 left!

The Mercury MerCruiser Quicksilver 27-475901 Gasket is an OEM cooling-system sealing gasket used on select Mercury MerCruiser sterndrive engines. I...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$4.99
$4.99 - $4.99
Current price $4.99

Sierra - Water Temperature Sender Dual Station 3/8"-18 NPT - SIE-18-5897

Original price $58.23 - Original price $58.23
Original price $58.23
$58.23
$58.23 - $58.23
Current price $58.23
Only 2 left!

The Sierra Marine 18-5897 Water Temperature Sender is a dual-station marine engine temperature sending unit for compatible inboard and sterndrive g...

View full details
Original price $58.23 - Original price $58.23
Original price $58.23
$58.23
$58.23 - $58.23
Current price $58.23

Mercury MerCruiser - Water Pump Gasket (Pack of 2) - 27-34897

Original price $0.00 - Original price $0.00
Original price $0.00
$17.51
$17.51 - $17.51
Current price $17.51
Only 4 left!

The Mercury MerCruiser Quicksilver Engine Water Pump Gasket 27-34897 is an OEM-style sealing gasket used with the sea water pump housing on compati...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$17.51
$17.51 - $17.51
Current price $17.51

Mercury MerCruiser Exhaust Hose - 32-90949T

Original price $0.00 - Original price $0.00
Original price $0.00
$127.48
$127.48 - $127.48
Current price $127.48
Only 1 left!

The Mercury MerCruiser Quicksilver Exhaust Hose 32-90949T is an OEM-style flexible exhaust tube used on select MerCruiser sterndrive and inboard en...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$127.48
$127.48 - $127.48
Current price $127.48

Mercury MerCruiser - Heat Exchanger Kit 3.0L Side Mount MC-342 - 311342

Original price $0.00 - Original price $0.00
Original price $0.00
$1,645.82
$1,645.82 - $1,645.82
Current price $1,645.82

The MC-342 Fresh Water Closed Cooling Kit, part number 311342, is a half-system closed cooling conversion kit for MerCruiser 3.0L and 3.0LX GM 181 ...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$1,645.82
$1,645.82 - $1,645.82
Current price $1,645.82

Mercury - Cooling Hose - 160211

Original price $0.00 - Original price $0.00
Original price $0.00
$61.49
$61.49 - $61.49
Current price $61.49

The Mercury Marine 32-160211 Hose is a cooling-system hose used on compatible MerCruiser 4.3L, 5.0L, and 5.7L engines. This hose connects the port-...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$61.49
$61.49 - $61.49
Current price $61.49

Mercury - Thermostat 120 - 14586

Original price $61.90 - Original price $61.90
Original price
$61.90
$61.90 - $61.90
Current price $61.90

The Mercury Thermostat 14586 is a 120°F thermostat for Mercury 40 HP through 60 HP 4-stroke outboards, serial number 1C050252 and above. It helps r...

View full details
Original price $61.90 - Original price $61.90
Original price
$61.90
$61.90 - $61.90
Current price $61.90

Mercury MerCruiser Quicksilver Overflow Recovery Reservoir Cap 72058

Original price $0.00 - Original price $0.00
Original price $0.00
$16.53
$16.53 - $16.53
Current price $16.53
Only 2 left!

The Mercury MerCruiser Quicksilver 72058 Cap is an OEM replacement cap used with the overflow recovery reservoir on select MerCruiser diesel applic...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$16.53
$16.53 - $16.53
Current price $16.53

Mercury MerCruiser Quicksilver Sea Water Pump Seal 26-806930

Original price $0.00 - Original price $0.00
Original price $0.00
$29.99
$29.99 - $29.99
Current price $29.99
Only 1 left!

The Mercury MerCruiser Quicksilver 26-806930 Seal is an OEM replacement sea water pump seal used on select MerCruiser sterndrive applications. It i...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$29.99
$29.99 - $29.99
Current price $29.99

Mercury 12612T2 Outboard Flushing Attachment | 4–15 HP

Original price $97.13 - Original price $97.13
Original price
$97.13
$97.13 - $97.13
Current price $97.13
Only 2 left!

Mercury MerCruiser Quicksilver 12612T2 is a genuine OEM flushing kit / flushing attachment for select small Mercury and Mariner outboards. Current ...

View full details
Original price $97.13 - Original price $97.13
Original price
$97.13
$97.13 - $97.13
Current price $97.13

Mercury Quicksilver Water Pump Repair Kit 25-30HP 4-Stroke 853792A07

Original price $138.70 - Original price $138.70
Original price
$138.70
$138.70 - $138.70
Current price $138.70
Only 1 left!

Mercury Quicksilver 853792A07 is a complete water pump repair kit for select Mercury / Mariner 25–30 HP 4-stroke outboards. Current Mercury referen...

View full details
Original price $138.70 - Original price $138.70
Original price
$138.70
$138.70 - $138.70
Current price $138.70

Mercury Thermostat Cover Gasket 14318005

Original price $5.15 - Original price $5.15
Original price $5.15
$5.15
$5.15 - $5.15
Current price $5.15
Only 3 left!

Mercury 14318005 is a genuine OEM thermostat cover gasket for select Mercury and Mariner 2-stroke outboards. Current Mercury dealer references iden...

View full details
Original price $5.15 - Original price $5.15
Original price $5.15
$5.15
$5.15 - $5.15
Current price $5.15

Mercury Mariner Water Pump Housing Insert 70977

Original price $0.00 - Original price $0.00
Original price $0.00
$10.35
$10.35 - $10.35
Current price $10.35
Only 1 left!

Mercury 70977 is a genuine OEM water pump housing insert used in older Mercury and Mariner outboard lower-unit water pump assemblies. Current Mercu...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$10.35
$10.35 - $10.35
Current price $10.35

Mercury MerCruiser Water Pump Face Plate 32435 / 8M0204677

Original price $0.00 - Original price $0.00
Original price $0.00
$9.10
$9.10 - $9.10
Current price $9.10
Only 2 left!

Mercury MerCruiser 32435 is a genuine OEM water pump face plate used in Mercury and MerCruiser water pump assemblies. Current Mercury dealer refere...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$9.10
$9.10 - $9.10
Current price $9.10

Volvo Penta Connector 855791

Original price $55.90 - Original price $55.90
Original price $55.90
$55.90
$55.90 - $55.90
Current price $55.90
Only 1 left!

Volvo Penta 855791 is a genuine connector used in the cooling-system / seawater-filter group on older Volvo Penta gasoline applications. Current Vo...

View full details
Original price $55.90 - Original price $55.90
Original price $55.90
$55.90
$55.90 - $55.90
Current price $55.90

Volvo Penta Connecting Pipe 856084

Original price $42.44 - Original price $42.44
Original price $42.44
$42.44
$42.44 - $42.44
Current price $42.44
Only 1 left!

Volvo Penta 856084 is a genuine connecting pipe used on older Volvo Penta gasoline marine applications. Current official Volvo Penta parts referenc...

View full details
Original price $42.44 - Original price $42.44
Original price $42.44
$42.44
$42.44 - $42.44
Current price $42.44

Volvo Penta Companion Flange 858467

Original price $71.00 - Original price $71.00
Original price $71.00
$71.00
$71.00 - $71.00
Current price $71.00
Only 2 left!

Volvo Penta 858467 is a genuine OEM companion flange used in selected Volvo Penta diesel seawater / raw water pump applications. Volvo Penta's offi...

View full details
Original price $71.00 - Original price $71.00
Original price $71.00
$71.00
$71.00 - $71.00
Current price $71.00

Mercury Housing Water Pump 888686T

Original price $0.00 - Original price $0.00
Original price $0.00
$75.15
$75.15 - $75.15
Current price $75.15
Only 1 left!

Mercury MerCruiser Quicksilver 888686T is a genuine OEM water pump housing used in selected Mercury Marine cooling-system applications. Current par...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$75.15
$75.15 - $75.15
Current price $75.15

Mercury Sleeve 29804T

Original price $13.23 - Original price $13.23
Original price $13.23
$13.23
$13.23 - $13.23
Current price $13.23
in stock

Mercury 29804T is a genuine OEM sleeve used in selected Mercury and MerCruiser cooling-system applications. Dealer listings identify it in Mercury ...

View full details
Original price $13.23 - Original price $13.23
Original price $13.23
$13.23
$13.23 - $13.23
Current price $13.23

Mercury O-Ring 33465

Original price $0.00 - Original price $0.00
Original price $0.00
$6.18
$6.18 - $6.18
Current price $6.18
in stock

Mercury 33465 is a genuine OEM O-ring used in selected Mercury and MerCruiser applications. Dealer listings identify it in Mercury catalog format a...

View full details
Original price $0.00 - Original price $0.00
Original price $0.00
$6.18
$6.18 - $6.18
Current price $6.18

Mercury Water Pump Gasket 858524

Original price $6.03 - Original price $6.03
Original price $6.03
$6.03
$6.03 - $6.03
Current price $6.03
in stock

Mercury 858524 is a genuine OEM water pump gasket for selected MerCruiser sterndrive and Mercury/Mariner outboard applications. Mercury’s official ...

View full details
Original price $6.03 - Original price $6.03
Original price $6.03
$6.03
$6.03 - $6.03
Current price $6.03

Mercury Water Pump Body Gasket 94914

Original price $5.43 - Original price $5.43
Original price $5.43
$5.43
$5.43 - $5.43
Current price $5.43
in stock

Mercury 94914 is a genuine OEM gasket commonly listed in Mercury catalog format as 27-94914. Dealer and parts listings identify it as a water pump ...

View full details
Original price $5.43 - Original price $5.43
Original price $5.43
$5.43
$5.43 - $5.43
Current price $5.43

Mercury Seal 36556

Original price $6.89 - Original price $6.89
Original price $6.89
$6.89
$6.89 - $6.89
Current price $6.89
in stock

Mercury 36556 is a genuine OEM seal listed in Mercury catalog format as 26-36556. Dealer listings identify it by size as Seal (.500 Inch Outside Di...

View full details
Original price $6.89 - Original price $6.89
Original price $6.89
$6.89
$6.89 - $6.89
Current price $6.89

Mercury Water Pump Base Gasket 192043

Original price $11.61 - Original price $11.61
Original price
$11.61
$11.61 - $11.61
Current price $11.61
Only 1 left!

Mercury 192043 is a genuine OEM water pump base gasket for selected Mercury and Mariner small outboard applications. Mercury and dealer lis...

View full details
Original price $11.61 - Original price $11.61
Original price
$11.61
$11.61 - $11.61
Current price $11.61

Mercury Seal 88397 (Pack of 2)

Original price $8.69 - Original price $8.69
Original price $8.69
$8.69
$8.69 - $8.69
Current price $8.69
Only 1 left!

Mercury 88397 is a genuine OEM seal commonly identified as a water tube seal for selected Mercury and MerCruiser applications. This listing is for ...

View full details
Original price $8.69 - Original price $8.69
Original price $8.69
$8.69
$8.69 - $8.69
Current price $8.69

Mercury Seawater Pump to Power Steering Cooler Hose 88795

Original price $89.24 - Original price $89.24
Original price
$89.24
$89.24 - $89.24
Current price $89.24
Only 2 left!

Mercury 88795 is a genuine OEM hose commonly listed as a seawater pump to power steering cooler hose for selected Mercury MerCruiser inboard and st...

View full details
Original price $89.24 - Original price $89.24
Original price
$89.24
$89.24 - $89.24
Current price $89.24

Mercury MerCruiser Water Pump Wear Plate 8M0180871

Original price $17.31 - Original price $17.31
Original price
$17.31
$17.31 - $17.31
Current price $17.31
Only 2 left!

Restore peak cooling system performance with the Mercury MerCruiser Water Pump Wear Plate 8M0180871 — a genuine OEM replacement wear plate that sit...

View full details
Original price $17.31 - Original price $17.31
Original price
$17.31
$17.31 - $17.31
Current price $17.31

MerCruiser Thermostat 160°F – 76270T (3.7L 470 / 485)

Original price $73.42 - Original price $73.42
Original price
$73.42
$73.42 - $73.42
Current price $73.42
Only 1 left!

The Mercury MerCruiser Thermostat 76270T is a genuine OEM 160°F thermostat designed primarily for early MerCruiser 3.7L (470/485) inline 4-cylinder...

View full details
Original price $73.42 - Original price $73.42
Original price
$73.42
$73.42 - $73.42
Current price $73.42

MerCruiser Thermostat Seal – 8071341

Original price $14.84 - Original price $14.84
Original price
$14.84
$14.84 - $14.84
Current price $14.84
Only 2 left!

he Mercury MerCruiser Thermostat Seal 8071341 is a genuine OEM rubber sealing ring designed to properly seal the thermostat within the thermostat h...

View full details
Original price $14.84 - Original price $14.84
Original price
$14.84
$14.84 - $14.84
Current price $14.84

MerCruiser Thermostat Kit – 807252T4

Original price $99.93 - Original price $99.93
Original price $99.93
$99.93
$99.93 - $99.93
Current price $99.93
in stock

The Mercury MerCruiser Thermostat Kit 807252T4 is a genuine OEM thermostat service kit designed for GM-based V6 and V8 MerCruiser engines using clo...

View full details
Original price $99.93 - Original price $99.93
Original price $99.93
$99.93
$99.93 - $99.93
Current price $99.93

Mercury MerCruiser Thermostat Kit 807252T5

Original price $76.48 - Original price $76.48
Original price $76.48
$76.48
$76.48 - $76.48
Current price $76.48
Only 3 left!

Mercury 807252T5 is a genuine OEM 160°F thermostat kit for selected MerCruiser sterndrive and inboard engines. Mercury’s official listing ident...

View full details
Original price $76.48 - Original price $76.48
Original price $76.48
$76.48
$76.48 - $76.48
Current price $76.48

MerCruiser Thermostat – 882604

Original price $159.21 - Original price $159.21
Original price
$159.21
$159.21 - $159.21
Current price $159.21
Only 1 left!

he Mercury MerCruiser 882604 Thermostat is a genuine OEM thermostat designed for MerCruiser CMD 1.7L diesel engines (DTI platform). This thermostat...

View full details
Original price $159.21 - Original price $159.21
Original price
$159.21
$159.21 - $159.21
Current price $159.21

Mercury Quicksilver 300 Hour Service Kit 8M0133617

Original price $812.59 - Original price $812.59
Original price
$812.59
$812.59 - $812.59
Current price $812.59
Only 5 left!

The Mercury / Quicksilver 8M0133617 300 Hour Service Kit is a complete OEM maintenance kit designed for L6 Verado EFI 4-stroke outboards (200–350 H...

View full details
Original price $812.59 - Original price $812.59
Original price
$812.59
$812.59 - $812.59
Current price $812.59

Mercury Verado SeaPro 4.6L V8 300 Hour Maintenance Kit 8M0149932

Original price $705.44 - Original price $705.44
Original price
$705.44
$705.44 - $705.44
Current price $705.44
Only 1 left!

Mercury 8M0149932 is a genuine OEM 300 Hour Maintenance Kit for 4.6L V8 Verado and SeaPro outboards, covering engines with serial number 2B529482 a...

View full details
Original price $705.44 - Original price $705.44
Original price
$705.44
$705.44 - $705.44
Current price $705.44

Mercury Outboard Thermostat 140°F – 8M0162139

Original price $198.83 - Original price $198.83
Original price
$198.83
$198.83 - $198.83
Current price $198.83
Only 3 left!

The Mercury / Quicksilver 8M0162139 Thermostat is a genuine OEM 140°F (60°C) thermostat designed for modern Mercury outboard engines. This thermost...

View full details
Original price $198.83 - Original price $198.83
Original price
$198.83
$198.83 - $198.83
Current price $198.83

Sierra 18-3552 Thermostat – Mercury MerCruiser Replacement

Original price $41.12 - Original price $41.12
Original price $41.12
$41.12
$41.12 - $41.12
Current price $41.12
Only 1 left!

The Sierra 18-3552 Thermostat is a high-quality aftermarket replacement designed for Mercury MerCruiser engines, providing reliable temperature reg...

View full details
Original price $41.12 - Original price $41.12
Original price $41.12
$41.12
$41.12 - $41.12
Current price $41.12

Mercury MerCruiser Thermostat – 853213001

Original price $53.15 - Original price $53.15
Original price
$53.15
$53.15 - $53.15
Current price $53.15
Only 1 left!

The Mercury MerCruiser Thermostat 853213001 is a genuine OEM cooling system component designed to regulate engine temperature and maintain optimal ...

View full details
Original price $53.15 - Original price $53.15
Original price
$53.15
$53.15 - $53.15
Current price $53.15

Mercury MerCruiser Water Pump Repair Kit 89983T1

Original price $103.13 - Original price $103.13
Original price $103.13
$103.13
$103.13 - $103.13
Current price $103.13
Only 1 left!

Restore proper cooling system performance with the Mercury MerCruiser Water Pump Repair Kit 89983T1. This genuine Mercury Marine OEM repair kit is ...

View full details
Original price $103.13 - Original price $103.13
Original price $103.13
$103.13
$103.13 - $103.13
Current price $103.13

Mercury MerCruiser Water Pump Repair Kit 89984T5

Original price $110.18 - Original price $110.18
Original price $110.18
$110.18
$110.18 - $110.18
Current price $110.18
Only 5 left!

Restore proper engine cooling and prevent overheating with the Mercury MerCruiser Water Pump Repair Kit 89984T5. This genuine Mercury Marine OEM re...

View full details
Original price $110.18 - Original price $110.18
Original price $110.18
$110.18
$110.18 - $110.18
Current price $110.18

MerCruiser Thermostat Cover Housing – 8M0061068 (454 / 502 Big Block)

Original price $162.84 - Original price $162.84
Original price
$162.84
$162.84 - $162.84
Current price $162.84
Only 1 left!

The Mercury / Quicksilver 8M0061068 Thermostat Cover Housing is a genuine OEM upper thermostat housing cover used on MerCruiser GM-based marine eng...

View full details
Original price $162.84 - Original price $162.84
Original price
$162.84
$162.84 - $162.84
Current price $162.84

Mercury Antifreeze 1 Gallon 8M0073196

Original price $12.66 - Original price $12.66
Original price $12.66
$12.66
$12.66 - $12.66
Current price $12.66
Only 4 left!

OEM Antifreeze for Mercury MerCruiser Marine Engines Genuine Mercury antifreeze/coolant provides superior freeze and corrosion protection for marin...

View full details
Original price $12.66 - Original price $12.66
Original price $12.66
$12.66
$12.66 - $12.66
Current price $12.66

Mercury Antifreeze -50°F 8M0073201

Original price $12.66 - Original price $12.66
Original price $12.66
$12.66
$12.66 - $12.66
Current price $12.66
in stock

Mercury Antifreeze – -50°F – 1 Gallon – 8M0073201 Protect your marine engine and onboard water systems during winter storage with Mercury Antifreez...

View full details
Original price $12.66 - Original price $12.66
Original price $12.66
$12.66
$12.66 - $12.66
Current price $12.66

Mercury Antifreeze -100°F 55 Gallon 8M0073204

Original price $1,130.41 - Original price $1,130.41
Original price $1,130.41
$1,130.41
$1,130.41 - $1,130.41
Current price $1,130.41
Only 2 left!

Mercury Antifreeze – -100°F – 55 Gallon – 8M0073204 Protect engines and plumbing systems during cold weather with Mercury Antifreeze 8M0073204. Thi...

View full details
Original price $1,130.41 - Original price $1,130.41
Original price $1,130.41
$1,130.41
$1,130.41 - $1,130.41
Current price $1,130.41

MerCruiser Thermostat 160°F – 8M0076464 (496 MAG / 8.1L Big Block)

Original price $61.92 - Original price $61.92
Original price $61.92
$61.92
$61.92 - $61.92
Current price $61.92
Only 1 left!

The Mercury / Quicksilver 8M0076464 Thermostat is a genuine OEM 160°F (71°C) thermostat designed specifically for MerCruiser 8.1L big-block engines...

View full details
Original price $61.92 - Original price $61.92
Original price $61.92
$61.92
$61.92 - $61.92
Current price $61.92

Mercury Outboard Thermostat Assembly 120°F – 8M0090819

Original price $144.55 - Original price $144.55
Original price
$144.55
$144.55 - $144.55
Current price $144.55
Only 1 left!

The Mercury / Quicksilver 8M0090819 Thermostat Assembly is a genuine OEM 120°F thermostat with integrated housing, designed for Mercury EFI 4-strok...

View full details
Original price $144.55 - Original price $144.55
Original price
$144.55
$144.55 - $144.55
Current price $144.55

Mercury MerCruiser Hose Kit 8M0090859

Original price $119.99 - Original price $119.99
Original price $119.99
$119.99
$119.99 - $119.99
Current price $119.99
Only 1 left!

Mercury MerCruiser Hose Kit – 8M0090859 Maintain proper cooling water flow through your sterndrive system with the Mercury MerCruiser Hose Kit 8M00...

View full details
Original price $119.99 - Original price $119.99
Original price $119.99
$119.99
$119.99 - $119.99
Current price $119.99