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 THERMOSTAT, 8M6013870

    Mercury THERMOSTAT OEM 8M6013870

    Mercury

    MSRP: $43.99
    $37.39
    Genuine Mercury THERMOSTAT, part number 8M6013870. Designed for use with compatible applications.
    8M6013870
    SKU:
    8M6013870
    Availability:
    Usually Ships within 24hours
    Weight:
    1.04 Ounces
    MSRP: $43.99
    $37.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $43.99
    $37.39
    Subtotal:
  • MERCURY OEM THERMOSTAT-130, 895338

    Mercury THERMOSTAT-130 OEM 895338

    Mercury

    MSRP: $43.99
    $37.39
    Genuine Mercury THERMOSTAT-130, part number 895338. Designed for use with compatible applications.
    895338
    SKU:
    895338
    Availability:
    Usually Ships within 24hours
    Weight:
    1.04 Ounces
    MSRP: $43.99
    $37.39
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $43.99
    $37.39
    Subtotal:
  • MERCURY OEM HOSE THERMOSTAT, 8M0142610

    Mercury HOSE THERMOSTAT OEM 8M0142610

    Mercury

    MSRP: $42.99
    $36.54
    Genuine Mercury HOSE THERMOSTAT, part number 8M0142610. Designed for use with compatible applications.
    8M0142610
    SKU:
    8M0142610
    Availability:
    Usually Ships within 24hours
    Weight:
    6.61 Ounces
    MSRP: $42.99
    $36.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $42.99
    $36.54
    Subtotal:
  • MERCURY OEM THERMOSTAT-105DEG, 819550

    Mercury THERMOSTAT-105DEG OEM 819550

    Mercury

    MSRP: $42.99
    $36.54
    Genuine Mercury THERMOSTAT-105DEG, part number 819550. Designed for use with compatible applications.
    819550
    SKU:
    819550
    Availability:
    Usually Ships within 24hours
    Weight:
    1.01 Ounces
    MSRP: $42.99
    $36.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $42.99
    $36.54
    Subtotal:
  • MERCURY OEM THERMOSTAT, 8M6013867

    Mercury THERMOSTAT OEM 8M6013867

    Mercury

    MSRP: $42.49
    $36.12
    Genuine Mercury THERMOSTAT, part number 8M6013867. Designed for use with compatible applications.
    8M6013867
    SKU:
    8M6013867
    Availability:
    Usually Ships within 24hours
    Weight:
    1.52 Ounces
    MSRP: $42.49
    $36.12
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $42.49
    $36.12
    Subtotal:
  • MERCURY OEM THERMOSTAT, 8M0228411

    Mercury THERMOSTAT OEM 8M0228411

    Mercury

    MSRP: $40.99
    $34.84
    Genuine Mercury THERMOSTAT, part number 8M0228411. Designed for use with compatible applications.
    8M0228411
    SKU:
    8M0228411
    Availability:
    Usually Ships within 24hours
    Weight:
    0.06 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • MERCURY OEM THERMOSTAT-143, 47594

    Mercury THERMOSTAT-143 OEM 47594

    Mercury

    MSRP: $40.99
    $34.84
    Genuine Mercury THERMOSTAT-143, part number 47594. Designed for use with compatible applications.
    47594
    SKU:
    47594
    Availability:
    Usually Ships within 24hours
    Weight:
    1.52 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • Quicksilver Thermostat (75-125HP & 115HP Pro XS 1.5L 3-Cylinder) 833072004 MERCURY OEM THERMOSTAT, 833072004

    Quicksilver Thermostat (75-125HP & 115HP Pro XS 1.5L 3-Cylinder) 833072004

    Quicksilver

    MSRP: $40.99
    $34.84
    Quicksilver/Mercury Thermostat (75-125HP & 115HP Pro XS 1.5L 3-Cylinder) 833072004 Maintain proper engine operating temperature with this genuine Quicksilver thermostat designed for select Mercury 1.5L 3-cylinder outboards. Engine thermostats play a...
    833072004
    SKU:
    833072004
    Availability:
    Usually Ships within 24hours
    Weight:
    1.01 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • MERCURY OEM BRACKET-TRAN COOL, 865219T

    Mercury BRACKET-TRAN COOL OEM 865219T

    Mercury

    MSRP: $40.99
    $34.84
    Genuine Mercury BRACKET-TRAN COOL, part number 865219T. Designed for use with compatible applications.
    865219T
    SKU:
    865219T
    Availability:
    Usually Ships within 24hours
    Weight:
    23.50 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • MERCURY OEM THERMOSTAT-130, F664068

    Mercury THERMOSTAT-130 OEM F664068

    Mercury

    MSRP: $40.99
    $34.84
    Genuine Mercury THERMOSTAT-130, part number F664068. Designed for use with compatible applications.
    F664068
    SKU:
    F664068
    Availability:
    Usually Ships within 24hours
    Weight:
    1.52 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • Quicksilver Thermostat (120°F) 14586 Quicksilver Thermostat (120°F) 14586

    Quicksilver Thermostat (120°F) 14586

    Quicksilver

    MSRP: $40.99
    $34.84
    Quicksilver/Mercury Thermostat (120°F) 14586 Genuine Quicksilver 120°F thermostat designed for select Mercury 2-stroke and 4-stroke outboards. The thermostat helps regulate engine operating temperature for proper cooling system performance and...
    14586
    SKU:
    14586
    Availability:
    Usually Ships within 24hours
    Weight:
    0.06 Ounces
    MSRP: $40.99
    $34.84
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.99
    $34.84
    Subtotal:
  • MERCURY OEM THERMOSTAT KIT, 99155T2

    Mercury THERMOSTAT KIT OEM 99155T2

    Mercury

    MSRP: $39.99
    $33.99
    Genuine Mercury THERMOSTAT KIT, part number 99155T2. Designed for use with compatible applications.
    99155T2
    SKU:
    99155T2
    Availability:
    Usually Ships within 24hours
    Weight:
    4.50 Ounces
    MSRP: $39.99
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.99
    $33.99
    Subtotal:
  • MERCURY OEM POPPET/DIAPHR KIT, 803062T1

    Mercury POPPET/DIAPHR KIT OEM 803062T1

    Mercury

    MSRP: $39.99
    $33.99
    Genuine Mercury POPPET/DIAPHR KIT, part number 803062T1. Designed for use with compatible applications.
    803062T1
    SKU:
    803062T1
    Availability:
    Usually Ships within 24hours
    Weight:
    0.18 Ounces
    MSRP: $39.99
    $33.99
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.99
    $33.99
    Subtotal:
  • MERCURY OEM THERMOSTAT, 8M6013865

    Mercury THERMOSTAT OEM 8M6013865

    Mercury

    MSRP: $39.49
    $33.57
    Genuine Mercury THERMOSTAT, part number 8M6013865. Designed for use with compatible applications.
    8M6013865
    SKU:
    8M6013865
    Availability:
    Usually Ships within 24hours
    Weight:
    1.60 Ounces
    MSRP: $39.49
    $33.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.49
    $33.57
    Subtotal:
  • MERCURY OEM THERMOSTAT, 8M0045990

    Mercury THERMOSTAT OEM 8M0045990

    Mercury

    MSRP: $39.49
    $33.57
    Genuine Mercury THERMOSTAT, part number 8M0045990. Designed for use with compatible applications.
    8M0045990
    SKU:
    8M0045990
    Availability:
    Usually Ships within 24hours
    Weight:
    2.96 Ounces
    MSRP: $39.49
    $33.57
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.49
    $33.57
    Subtotal:
  • MERCURY OEM END COVER-COOLER, 8M6004014

    Mercury END COVER-COOLER OEM 8M6004014

    Mercury

    MSRP: $38.99
    $33.14
    Genuine Mercury END COVER-COOLER, part number 8M6004014. Designed for use with compatible applications.
    8M6004014
    SKU:
    8M6004014
    Availability:
    Usually Ships within 24hours
    Weight:
    0.00 Ounces
    MSRP: $38.99
    $33.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $38.99
    $33.14
    Subtotal:
  • MERCURY OEM THERMOSTAT, 8M0186873

    Mercury THERMOSTAT OEM 8M0186873

    Mercury

    MSRP: $37.99
    $32.29
    Genuine Mercury THERMOSTAT, part number 8M0186873. Designed for use with compatible applications.
    8M0186873
    SKU:
    8M0186873
    Availability:
    Usually Ships within 24hours
    Weight:
    1.12 Ounces
    MSRP: $37.99
    $32.29
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $37.99
    $32.29
    Subtotal:
  • MERCURY OEM HOUSING - POPPET, 8M0053929

    Mercury HOUSING - POPPET OEM 8M0053929

    Mercury

    MSRP: $37.49
    $31.87
    Genuine Mercury HOUSING - POPPET, part number 8M0053929. Designed for use with compatible applications.
    8M0053929
    SKU:
    8M0053929
    Availability:
    Usually Ships within 24hours
    Weight:
    8.00 Ounces
    MSRP: $37.49
    $31.87
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $37.49
    $31.87
    Subtotal:
  • MERCURY OEM HOSE ASY-CC COOLR, 8M0205213

    Mercury HOSE ASY-CC COOLR OEM 8M0205213

    Mercury

    MSRP: $36.49
    $31.02
    Genuine Mercury HOSE ASY-CC COOLR, part number 8M0205213. Designed for use with compatible applications.
    8M0205213
    SKU:
    8M0205213
    Availability:
    Usually Ships within 24hours
    Weight:
    7.68 Ounces
    MSRP: $36.49
    $31.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.49
    $31.02
    Subtotal:
  • MERCURY OEM THERMOSTAT, 76270T

    Mercury THERMOSTAT OEM 76270T

    Mercury

    MSRP: $36.49
    $31.02
    Genuine Mercury THERMOSTAT, part number 76270T. Designed for use with compatible applications.
    76270T
    SKU:
    76270T
    Availability:
    Usually Ships within 24hours
    Weight:
    3.20 Ounces
    MSRP: $36.49
    $31.02
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $36.49
    $31.02
    Subtotal:
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