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.
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- Qty in Cart
- Quantity
- Price
- Subtotal
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Mercury Thermostat Assembly, 140°F, Select 135-400hp Verado 8M0174561
Mercury
MSRP: $207.99$166.95Genuine Mercury THERMOSTAT ASSY, part number 8M0174561. Replacement thermostat housing 892864T04 is for Mercury Verado outboards 135-200hp (4-cylinder engines Serial No. 1B311420 and above), 200-300hp (6-cylinder engines Serial No. 1B390143 to 2B144127,...8M0174561- SKU:
- 8M0174561
- Availability:
- Usually Ships within 24hours
- Weight:
- 8.00 Ounces
MSRP: $207.99$166.95 -
Mercury POPPET VALVE ASSY OEM 8M0095446
Mercury
MSRP: $198.49$168.72Genuine Mercury POPPET VALVE ASSY, part number 8M0095446. Designed for use with compatible applications.8M0095446- SKU:
- 8M0095446
- Availability:
- Usually Ships within 24hours
- Weight:
- 34.56 Ounces
MSRP: $198.49$168.72 -
Mercury POPPET VALVE ASSY OEM 8M0210450
Mercury
MSRP: $197.01$167.46Genuine Mercury POPPET VALVE ASSY, part number 8M0210450. Designed for use with compatible applications.8M0210450- SKU:
- 8M0210450
- Availability:
- Usually Ships within 24hours
- Weight:
- 4.48 Ounces
MSRP: $197.01$167.46 -
Mercury THERMOSTAT OEM 8M0131497
Mercury
MSRP: $192.49$163.62Genuine Mercury THERMOSTAT, part number 8M0131497. Designed for use with compatible applications.8M0131497- SKU:
- 8M0131497
- Availability:
- Usually Ships within 24hours
- Weight:
- 3.90 Ounces
MSRP: $192.49$163.62 -
Mercury THERMOSTAT HSG OEM 862874A1
Mercury
MSRP: $173.49$147.47Genuine Mercury THERMOSTAT HSG, part number 862874A1. Designed for use with compatible applications.862874A1- SKU:
- 862874A1
- Availability:
- Usually Ships within 24hours
- Weight:
- 18.00 Ounces
MSRP: $173.49$147.47 -
Mercury POPPET ASSY OEM 8M0223839
Mercury
MSRP: $171.67$145.92Genuine Mercury POPPET ASSY, part number 8M0223839. Designed for use with compatible applications.8M0223839- SKU:
- 8M0223839
- Availability:
- Usually Ships within 24hours
- Weight:
- 5.41 Ounces
MSRP: $171.67$145.92 -
Mercury BRACKET OIL COOLE 8M0066917
Mercury
MSRP: $156.49$133.02Genuine Mercury BRACKET OIL COOLE, part number 8M0066917. Designed for use with compatible applications.8M0066917- SKU:
- 8M0066917
- Availability:
- Usually Ships within 24hours
- Weight:
- 6.40 Ounces
MSRP: $156.49$133.02 -
Mercury POPPET VALVE ASSY OEM 8M0053928
Mercury
MSRP: $150.49$127.92Genuine Mercury POPPET VALVE ASSY, part number 8M0053928. Designed for use with compatible applications.8M0053928- SKU:
- 8M0053928
- Availability:
- Usually Ships within 24hours
- Weight:
- 35.20 Ounces
MSRP: $150.49$127.92 -
Mercury THERMOSTAT ASSY OEM 8M0210477
Mercury
MSRP: $146.41$124.45Genuine Mercury THERMOSTAT ASSY, part number 8M0210477. Designed for use with compatible applications.8M0210477- SKU:
- 8M0210477
- Availability:
- Usually Ships within 24hours
- Weight:
- 5.92 Ounces
MSRP: $146.41$124.45 -
Mercury POPPET VALVE ASY OEM 879194T67
Mercury
MSRP: $142.99$121.54Genuine Mercury POPPET VALVE ASY, part number 879194T67. Designed for use with compatible applications.879194T67- SKU:
- 879194T67
- Availability:
- Usually Ships within 24hours
- Weight:
- 12.26 Ounces
MSRP: $142.99$121.54 -
Mercury THERMOSTAT OEM 879150054
Mercury
MSRP: $140.99$119.84Genuine Mercury THERMOSTAT, part number 879150054. Designed for use with compatible applications.879150054- SKU:
- 879150054
- Availability:
- Usually Ships within 24hours
- Weight:
- 3.20 Ounces
MSRP: $140.99$119.84 -
Mercury POPPET ASY OEM 879288T43
Mercury
MSRP: $139.99$118.99Genuine Mercury POPPET ASY, part number 879288T43. Designed for use with compatible applications.879288T43- SKU:
- 879288T43
- Availability:
- Usually Ships within 24hours
- Weight:
- 11.81 Ounces
MSRP: $139.99$118.99 -
Mercury THERMOSTAT 130 OEM 8M0057307
Mercury
MSRP: $134.99$114.74Genuine Mercury THERMOSTAT 130, part number 8M0057307. Designed for use with compatible applications.8M0057307- SKU:
- 8M0057307
- Availability:
- Usually Ships within 24hours
- Weight:
- 1.44 Ounces
MSRP: $134.99$114.74 -
Mercury THERMOSTAT KIT OEM 843148A1
Mercury
MSRP: $134.29$114.15Genuine Mercury THERMOSTAT KIT, part number 843148A1. Designed for use with compatible applications.843148A1- SKU:
- 843148A1
- Availability:
- Usually Ships within 24hours
- Weight:
- 7.01 Ounces
MSRP: $134.29$114.15 -
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 POPPET KIT OEM 893913A02
Mercury
MSRP: $129.99$110.49Genuine Mercury POPPET KIT, part number 893913A02. Designed for use with compatible applications.893913A02- SKU:
- 893913A02
- Availability:
- Usually Ships within 24hours
- Weight:
- 1.25 Ounces
MSRP: $129.99$110.49 -
Mercury POPPET ASY OEM 8M0177687
Mercury
MSRP: $129.49$110.07Genuine Mercury POPPET ASY, part number 8M0177687. Designed for use with compatible applications.8M0177687- SKU:
- 8M0177687
- Availability:
- Usually Ships within 24hours
- Weight:
- 7.20 Ounces
MSRP: $129.49$110.07 -
Mercury THERMOSTAT ASSY OEM 8M0228544
Mercury
MSRP: $124.99$105.99Genuine Mercury THERMOSTAT ASSY, part number 8M0228544. Designed for use with compatible applications.8M0228544- SKU:
- 8M0228544
- Availability:
- Usually Ships within 24hours
- Weight:
- 6.88 Ounces
MSRP: $124.99$105.99 -
Mercury GAUG-COOLTEMP GRY OEM 8M0065962
Mercury
MSRP: $124.83$106.11Genuine Mercury GAUG-COOLTEMP GRY, part number 8M0065962. Designed for use with compatible applications.8M0065962- SKU:
- 8M0065962
- Availability:
- Usually Ships within 24hours
- Weight:
- 4.80 Ounces
MSRP: $124.83$106.11 -
Mercury THERMOSTAT OEM 8M0046693
Mercury
MSRP: $124.49$105.82Genuine Mercury THERMOSTAT, part number 8M0046693. Designed for use with compatible applications.8M0046693- SKU:
- 8M0046693
- Availability:
- Usually Ships within 24hours
- Weight:
- 2.80 Ounces
MSRP: $124.49$105.82
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