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
  • MERCURY OEM INSERT-AIR COOLER, 855521001

    Mercury INSERT-AIR COOLER OEM 855521001

    Mercury

    MSRP: $3,030.99
    $2,576.34
    Genuine Mercury INSERT-AIR COOLER, part number 855521001. Designed for use with compatible applications.
    855521001
    SKU:
    855521001
    Availability:
    Usually Ships within 24hours
    Weight:
    269.01 Ounces
    MSRP: $3,030.99
    $2,576.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $3,030.99
    $2,576.34
    Subtotal:
  • MERCURY OEM CLOSED COOLING KT, 860427A5

    Mercury CLOSED COOLING KT OEM 860427A5

    Mercury

    MSRP: $2,935.49
    $2,495.17
    Genuine Mercury CLOSED COOLING KT, part number 860427A5. Designed for use with compatible applications.
    860427A5
    SKU:
    860427A5
    Availability:
    Usually Ships within 24hours
    Weight:
    720.00 Ounces
    MSRP: $2,935.49
    $2,495.17
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,935.49
    $2,495.17
    Subtotal:
  • MERCURY OEM COOLING KIT-FRESH, 879288A02

    Mercury COOLING KIT-FRESH OEM 879288A02

    Mercury

    MSRP: $2,827.99
    $2,403.79
    Genuine Mercury COOLING KIT-FRESH, part number 879288A02. Designed for use with compatible applications.
    879288A02
    SKU:
    879288A02
    Availability:
    Usually Ships within 24hours
    Weight:
    603.01 Ounces
    MSRP: $2,827.99
    $2,403.79
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,827.99
    $2,403.79
    Subtotal:
  • MERCURY OEM CHARGE AIR COOLR, 8M0219738

    Mercury CHARGE AIR COOLR OEM 8M0219738

    Mercury

    MSRP: $2,814.28
    $2,392.14
    Genuine Mercury CHARGE AIR COOLR, part number 8M0219738. Designed for use with compatible applications.
    8M0219738
    SKU:
    8M0219738
    Availability:
    Usually Ships within 24hours
    Weight:
    285.60 Ounces
    MSRP: $2,814.28
    $2,392.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,814.28
    $2,392.14
    Subtotal:
  • MERCURY OEM CHARGE AIR COOLR, 8M0219737

    Mercury CHARGE AIR COOLR OEM 8M0219737

    Mercury

    MSRP: $2,814.28
    $2,392.14
    Genuine Mercury CHARGE AIR COOLR, part number 8M0219737. Designed for use with compatible applications.
    8M0219737
    SKU:
    8M0219737
    Availability:
    Usually Ships within 24hours
    Weight:
    284.64 Ounces
    MSRP: $2,814.28
    $2,392.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,814.28
    $2,392.14
    Subtotal:
  • MERCURY OEM COOLER - PS, 8M0060059

    Mercury COOLER - PS OEM 8M0060059

    Mercury

    MSRP: $2,629.43
    $2,235.02
    Genuine Mercury COOLER - PS, part number 8M0060059. Designed for use with compatible applications.
    8M0060059
    SKU:
    8M0060059
    Availability:
    Usually Ships within 24hours
    Weight:
    128.48 Ounces
    MSRP: $2,629.43
    $2,235.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,629.43
    $2,235.02
    Subtotal:
  • MERCURY OEM CLOSED COOLING KT, 860427A4

    Mercury CLOSED COOLING KT OEM 860427A4

    Mercury

    MSRP: $2,608.99
    $2,217.64
    Genuine Mercury CLOSED COOLING KT, part number 860427A4. Designed for use with compatible applications.
    860427A4
    SKU:
    860427A4
    Availability:
    Usually Ships within 24hours
    Weight:
    718.40 Ounces
    MSRP: $2,608.99
    $2,217.64
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,608.99
    $2,217.64
    Subtotal:
  • MERCURY OEM CORE AFTERCOOLER, 8M0067038

    Mercury CORE AFTERCOOLER OEM 8M0067038

    Mercury

    MSRP: $2,565.99
    $2,181.09
    Genuine Mercury CORE AFTERCOOLER, part number 8M0067038. Designed for use with compatible applications.
    8M0067038
    SKU:
    8M0067038
    Availability:
    Usually Ships within 24hours
    Weight:
    176.50 Ounces
    MSRP: $2,565.99
    $2,181.09
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,565.99
    $2,181.09
    Subtotal:
  • MERCURY OEM CLOSED COOLING KT, 860427A7

    Mercury CLOSED COOLING KT OEM 860427A7

    Mercury

    MSRP: $2,519.99
    $2,141.99
    Genuine Mercury CLOSED COOLING KT, part number 860427A7. Designed for use with compatible applications.
    860427A7
    SKU:
    860427A7
    Availability:
    Usually Ships within 24hours
    Weight:
    688.00 Ounces
    MSRP: $2,519.99
    $2,141.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,519.99
    $2,141.99
    Subtotal:
  • MERCURY OEM COOLER, 8M6002218

    Mercury COOLER OEM 8M6002218

    Mercury

    MSRP: $2,454.99
    $2,086.74
    Genuine Mercury COOLER, part number 8M6002218. Designed for use with compatible applications.
    8M6002218
    SKU:
    8M6002218
    Availability:
    Usually Ships within 24hours
    Weight:
    592.00 Ounces
    MSRP: $2,454.99
    $2,086.74
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,454.99
    $2,086.74
    Subtotal:
  • MERCURY OEM OIL COOLER MODULE, 8M0132390

    Mercury OIL COOLER MODULE 8M0132390

    Mercury

    MSRP: $2,399.99
    $2,039.99
    Genuine Mercury OIL COOLER MODULE, part number 8M0132390. Designed for use with compatible applications.
    8M0132390
    SKU:
    8M0132390
    Availability:
    Usually Ships within 24hours
    Weight:
    167.04 Ounces
    MSRP: $2,399.99
    $2,039.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,399.99
    $2,039.99
    Subtotal:
  • MERCURY OEM TOP COWL COOL FUS, 8M0160681

    Mercury TOP COWL COOL FUS OEM 8M0160681

    Mercury

    MSRP: $2,271.49
    $1,930.77
    Genuine Mercury TOP COWL COOL FUS, part number 8M0160681. Designed for use with compatible applications.
    8M0160681
    SKU:
    8M0160681
    Availability:
    Usually Ships within 24hours
    Weight:
    624.00 Ounces
    MSRP: $2,271.49
    $1,930.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,271.49
    $1,930.77
    Subtotal:
  • MERCURY OEM COOLER OIL KIT, 8M0066816

    Mercury COOLER OIL KIT 8M0066816

    Mercury

    MSRP: $2,235.49
    $1,900.17
    Genuine Mercury COOLER OIL KIT, part number 8M0066816. Designed for use with compatible applications.
    8M0066816
    SKU:
    8M0066816
    Availability:
    Usually Ships within 24hours
    Weight:
    102.00 Ounces
    MSRP: $2,235.49
    $1,900.17
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,235.49
    $1,900.17
    Subtotal:
  • MERCURY OEM AIR COOLER, 879708001

    Mercury AIR COOLER OEM 879708001

    Mercury

    MSRP: $2,217.99
    $1,885.29
    Genuine Mercury AIR COOLER, part number 879708001. Designed for use with compatible applications.
    879708001
    SKU:
    879708001
    Availability:
    Usually Ships within 24hours
    Weight:
    185.60 Ounces
    MSRP: $2,217.99
    $1,885.29
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $2,217.99
    $1,885.29
    Subtotal:
  • MERCURY OEM OIL COOLER MODULE, 8M0132389

    Mercury OIL COOLER MODULE 8M0132389

    Mercury

    MSRP: $1,971.49
    $1,675.77
    Genuine Mercury OIL COOLER MODULE, part number 8M0132389. Designed for use with compatible applications.
    8M0132389
    SKU:
    8M0132389
    Availability:
    Usually Ships within 24hours
    Weight:
    124.16 Ounces
    MSRP: $1,971.49
    $1,675.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,971.49
    $1,675.77
    Subtotal:
  • MERCURY OEM HSG KT-THERMOSTAT, 879330T39

    Mercury HSG KT-THERMOSTAT OEM 879330T39

    Mercury

    MSRP: $1,913.80
    $1,626.73
    Genuine 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
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,913.80
    $1,626.73
    Subtotal:
  • MERCURY OEM OIL COOLER, 8M0058661

    Mercury OIL COOLER 8M0058661

    Mercury

    MSRP: $1,885.19
    $1,602.41
    Genuine Mercury OIL COOLER, part number 8M0058661. Designed for use with compatible applications.
    8M0058661
    SKU:
    8M0058661
    Availability:
    Usually Ships within 24hours
    Weight:
    313.60 Ounces
    MSRP: $1,885.19
    $1,602.41
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,885.19
    $1,602.41
    Subtotal:
  • MERCURY OEM FUEL COOLER KIT, 8M8024565

    Mercury FUEL COOLER KIT OEM 8M8024565

    Mercury

    MSRP: $1,723.66
    $1,465.11
    Genuine Mercury FUEL COOLER KIT, part number 8M8024565. Designed for use with compatible applications.
    8M8024565
    SKU:
    8M8024565
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $1,723.66
    $1,465.11
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,723.66
    $1,465.11
    Subtotal:
  • MERCURY OEM COOLER-OIL TRANS, 8M0177650

    Mercury COOLER-OIL TRANS 8M0177650

    Mercury

    MSRP: $1,671.49
    $1,420.77
    Genuine Mercury COOLER-OIL TRANS, part number 8M0177650. Designed for use with compatible applications.
    8M0177650
    SKU:
    8M0177650
    Availability:
    Usually Ships within 24hours
    Weight:
    160.00 Ounces
    MSRP: $1,671.49
    $1,420.77
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,671.49
    $1,420.77
    Subtotal:
  • MERCURY OEM OIL COOLER ASSY, 8M0210485

    Mercury OIL COOLER ASSY 8M0210485

    Mercury

    MSRP: $1,629.27
    $1,384.88
    Genuine Mercury OIL COOLER ASSY, part number 8M0210485. Designed for use with compatible applications.
    8M0210485
    SKU:
    8M0210485
    Availability:
    Usually Ships within 24hours
    Weight:
    132.64 Ounces
    MSRP: $1,629.27
    $1,384.88
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,629.27
    $1,384.88
    Subtotal:
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