Family-Owned • 40+ Years Experience • Authorized Mercury & Mercruiser Dealer


Cooling System

Cooling System

Cooling System

Shop Mercury Outboard Cooling System parts including thermostats, poppet valves, cooling hoses, water jackets, and OEM replacement components designed to help maintain proper engine operating temperatures and long-term reliability. Proper cooling system maintenance is important for preventing overheating and supporting overall engine performance.

Gregor’s Marine carries genuine Mercury cooling system parts for a wide range of outboard applications.

Call our team at (727) 596-5929 for assistance confirming fitment.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Quicksilver Thermostat (140 Degree) for 3.4L V6 & 4.6L V8 FourStroke Outboards 8M0162139 Quicksilver Thermostat (140 Degree) for 3.4L V6 & 4.6L V8 FourStroke Outboards 8M0162139

    Quicksilver Thermostat 140 Degrees (V6 & V8 175hp-450R) 8M0162139

    Quicksilver

    MSRP: $135.49
    $104.95
    The Quicksilver Thermostat (140 Degree) for 3.4L V6 & 4.6L V8 FourStroke Outboards 8M0162139 is a genuine Quicksilver OEM replacement thermostat designed for select Mercury FourStroke outboards.
    8M0162139
    SKU:
    8M0162139
    Availability:
    Usually Ships within 24hours
    Weight:
    6.08 Ounces
    MSRP: $135.49
    $104.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $135.49
    $104.95
    Subtotal:
  • Mercury 30-60 HP EFI FourStroke Fuel Cooler Assembly 892267A55 Mercury 30-60 HP EFI FourStroke Fuel Cooler Assembly 892267A55

    Mercury 30-60 HP EFI FourStroke Fuel Cooler Assembly 892267A55

    Mercury

    MSRP: $539.49
    $457.99
    Mercury Fuel Cooler Assembly 892267A55 is a genuine OEM replacement fuel cooler used in the vapor separator system on select 30-60 HP Mercury and Mariner EFI FourStroke outboards. It is used on both...
    892267A55
    SKU:
    892267A55
    Availability:
    Usually Ships within 24hours
    Weight:
    11.20 Ounces
    MSRP: $539.49
    $457.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $539.49
    $457.99
    Subtotal:
  • MERCURY OEM CROSSOVER-COOLANT, 863771T

    Mercury CROSSOVER-COOLANT 863771T

    Mercury

    MSRP: $408.49
    $347.22
    Genuine Mercury CROSSOVER-COOLANT, part number 863771T. Designed for use with compatible applications.
    863771T
    SKU:
    863771T
    Availability:
    Usually Ships within 24hours
    Weight:
    120.00 Ounces
    MSRP: $408.49
    $347.22
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $408.49
    $347.22
    Subtotal:
  • MERCURY OEM THERMOSTAT HSG, 879288T40

    Mercury THERMOSTAT HSG OEM 879288T40

    Mercury

    MSRP: $102.49
    $87.12
    Genuine Mercury THERMOSTAT HSG, part number 879288T40. Designed for use with compatible applications.
    879288T40
    SKU:
    879288T40
    Availability:
    Usually Ships within 24hours
    Weight:
    16.90 Ounces
    MSRP: $102.49
    $87.12
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $102.49
    $87.12
    Subtotal:
  • Mercury Thermostat & Poppet Valve Kit 14586A7

    Mercury Thermostat & Poppet Valve Kit 14586A7

    Mercury

    MSRP: $58.49
    $49.72
    Mercury Thermostat and Poppet Valve Kit 14586A7 is an OEM cooling system service kit for select Mercury and Mariner V6 2-stroke outboards. The kit contains components used to service the thermostat...
    14586A7
    SKU:
    14586A7
    Availability:
    Usually Ships within 24hours
    Weight:
    2.70 Ounces
    MSRP: $58.49
    $49.72
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $58.49
    $49.72
    Subtotal:
  • MERCURY OEM THERMOSTAT KIT, 803061T1

    Mercury THERMOSTAT KIT OEM 803061T1

    Mercury

    MSRP: $34.99
    $29.74
    Genuine Mercury THERMOSTAT KIT, part number 803061T1. Designed for use with compatible applications.
    803061T1
    SKU:
    803061T1
    Availability:
    Usually Ships within 24hours
    Weight:
    0.11 Ounces
    MSRP: $34.99
    $29.74
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $34.99
    $29.74
    Subtotal:
  • MERCURY OEM COOLER, 8M0059917

    Mercury COOLER OEM 8M0059917

    Mercury

    MSRP: $21,343.17
    $18,141.69
    Genuine Mercury COOLER, part number 8M0059917. Designed for use with compatible applications.
    8M0059917
    SKU:
    8M0059917
    Availability:
    Usually Ships within 24hours
    Weight:
    848.00 Ounces
    MSRP: $21,343.17
    $18,141.69
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21,343.17
    $18,141.69
    Subtotal:
  • MERCURY OEM INTERCOOLER, 8M0047380

    Mercury INTERCOOLER OEM 8M0047380

    Mercury

    MSRP: $18,842.40
    $16,016.04
    Genuine Mercury INTERCOOLER, part number 8M0047380. Designed for use with compatible applications.
    8M0047380
    SKU:
    8M0047380
    Availability:
    Usually Ships within 24hours
    Weight:
    438.40 Ounces
    MSRP: $18,842.40
    $16,016.04
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $18,842.40
    $16,016.04
    Subtotal:
  • MERCURY OEM INTERCOOLER, 8M0047379

    Mercury INTERCOOLER OEM 8M0047379

    Mercury

    MSRP: $16,535.14
    $14,054.87
    Genuine Mercury INTERCOOLER, part number 8M0047379. Designed for use with compatible applications.
    8M0047379
    SKU:
    8M0047379
    Availability:
    Usually Ships within 24hours
    Weight:
    336.00 Ounces
    MSRP: $16,535.14
    $14,054.87
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $16,535.14
    $14,054.87
    Subtotal:
  • MERCURY OEM CHARGE AIR COOLER, 8M0009693

    Mercury CHARGE AIR COOLER OEM 8M0009693

    Mercury

    MSRP: $15,125.97
    $12,857.07
    Genuine Mercury CHARGE AIR COOLER, part number 8M0009693. Designed for use with compatible applications.
    8M0009693
    SKU:
    8M0009693
    Availability:
    Usually Ships within 24hours
    Weight:
    722.72 Ounces
    MSRP: $15,125.97
    $12,857.07
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15,125.97
    $12,857.07
    Subtotal:
  • MERCURY OEM COOLER-AIR, 879709

    Mercury COOLER-AIR OEM 879709

    Mercury

    MSRP: $7,348.49
    $6,246.22
    Genuine Mercury COOLER-AIR, part number 879709. Designed for use with compatible applications.
    879709
    SKU:
    879709
    Availability:
    Usually Ships within 24hours
    Weight:
    928.00 Ounces
    MSRP: $7,348.49
    $6,246.22
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $7,348.49
    $6,246.22
    Subtotal:
  • MERCURY OEM AFTERCOOLER, 898272051

    Mercury AFTERCOOLER OEM 898272051

    Mercury

    MSRP: $7,031.49
    $5,976.77
    Genuine Mercury AFTERCOOLER, part number 898272051. Designed for use with compatible applications.
    898272051
    SKU:
    898272051
    Availability:
    Usually Ships within 24hours
    Weight:
    1,008.00 Ounces
    MSRP: $7,031.49
    $5,976.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $7,031.49
    $5,976.77
    Subtotal:
  • MERCURY OEM AFTERCOOLER, 8M0066795

    Mercury AFTERCOOLER OEM 8M0066795

    Mercury

    MSRP: $6,707.49
    $5,701.37
    Genuine Mercury AFTERCOOLER, part number 8M0066795. Designed for use with compatible applications.
    8M0066795
    SKU:
    8M0066795
    Availability:
    Usually Ships within 24hours
    Weight:
    568.00 Ounces
    MSRP: $6,707.49
    $5,701.37
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6,707.49
    $5,701.37
    Subtotal:
  • MERCURY OEM COOLER-AIR, 879708

    Mercury COOLER-AIR OEM 879708

    Mercury

    MSRP: $6,105.49
    $5,189.67
    Genuine Mercury COOLER-AIR, part number 879708. Designed for use with compatible applications.
    879708
    SKU:
    879708
    Availability:
    Usually Ships within 24hours
    Weight:
    627.01 Ounces
    MSRP: $6,105.49
    $5,189.67
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $6,105.49
    $5,189.67
    Subtotal:
  • MERCURY OEM CLOSED COOL KIT, 864920A02

    Mercury CLOSED COOL KIT OEM 864920A02

    Mercury

    MSRP: $5,851.49
    $4,973.77
    Genuine Mercury CLOSED COOL KIT, part number 864920A02. Designed for use with compatible applications.
    864920A02
    SKU:
    864920A02
    Availability:
    Usually Ships within 24hours
    Weight:
    1,328.00 Ounces
    MSRP: $5,851.49
    $4,973.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5,851.49
    $4,973.77
    Subtotal:
  • MERCURY OEM INTERCOOLER, 896332112

    Mercury INTERCOOLER OEM 896332112

    Mercury

    MSRP: $5,339.49
    $4,538.57
    Genuine Mercury INTERCOOLER, part number 896332112. Designed for use with compatible applications.
    896332112
    SKU:
    896332112
    Availability:
    Usually Ships within 24hours
    Weight:
    679.01 Ounces
    MSRP: $5,339.49
    $4,538.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5,339.49
    $4,538.57
    Subtotal:
  • MERCURY OEM COOLER-CHARGE AIR, 8M0131411

    Mercury COOLER-CHARGE AIR OEM 8M0131411

    Mercury

    MSRP: $5,171.99
    $4,396.19
    Genuine Mercury COOLER-CHARGE AIR, part number 8M0131411. Designed for use with compatible applications.
    8M0131411
    SKU:
    8M0131411
    Availability:
    Usually Ships within 24hours
    Weight:
    944.00 Ounces
    MSRP: $5,171.99
    $4,396.19
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5,171.99
    $4,396.19
    Subtotal:
  • MERCURY OEM FWC COOLING KIT, 8M0193968

    Mercury FWC COOLING KIT OEM 8M0193968

    Mercury

    MSRP: $5,099.99
    $4,334.99
    Genuine Mercury FWC COOLING KIT, part number 8M0193968. Designed for use with compatible applications.
    8M0193968
    SKU:
    8M0193968
    Availability:
    Usually Ships within 24hours
    Weight:
    1,712.00 Ounces
    MSRP: $5,099.99
    $4,334.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5,099.99
    $4,334.99
    Subtotal:
  • MERCURY OEM AFTERCOOLER, 8M0067329

    Mercury AFTERCOOLER OEM 8M0067329

    Mercury

    MSRP: $5,070.49
    $4,309.92
    Genuine Mercury AFTERCOOLER, part number 8M0067329. Designed for use with compatible applications.
    8M0067329
    SKU:
    8M0067329
    Availability:
    Usually Ships within 24hours
    Weight:
    448.00 Ounces
    MSRP: $5,070.49
    $4,309.92
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $5,070.49
    $4,309.92
    Subtotal:
  • MERCURY OEM COOLING KIT-FWC, 879288A39

    Mercury COOLING KIT-FWC OEM 879288A39

    Mercury

    MSRP: $4,672.49
    $3,971.62
    Genuine Mercury COOLING KIT-FWC, part number 879288A39. Designed for use with compatible applications.
    879288A39
    SKU:
    879288A39
    Availability:
    Usually Ships within 24hours
    Weight:
    1,328.00 Ounces
    MSRP: $4,672.49
    $3,971.62
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4,672.49
    $3,971.62
    Subtotal:
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