Cooling Systems - Thermostats

140 Degree Brass Hi-flow Marine Thermostat
Your Price:
$39.99

120 Degree Brass Hi-flow Marine Thermostat

540-160110

120 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. This enables relief of the steam pockets caused by cold water entering a heated engine block. Their hi-flow design helps to maintain a constant operating temperature. Don't trust your engine to anything less!


Polished Stainless Ford 429, 460 Thermostat Kit
Your Price:
$169.99

Polished Stainless Ford 429, 460 Thermostat Kit

540-160465

  • Fits Ford 429/460.
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

Polished Stainless Thermostat Kit For 455 Olds
Your Price:
$139.99

Polished Stainless Thermostat Kit For 455 Olds

540-160210

  • Fits 455 Olds applications
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

Polished Stainless Thermostat Kit For Chevy
Your Price:
$139.99

Polished Stainless Thermostat Kit For Chevy

540-160200

  • Fits most BBC, SBC applications
  • Made from Polished 316L Stainless Steel!
  • Designed for use on cold water source cooling systems.
  • Keeps engine temperature between 140 & 160 degrees.
  • Not recommended for supercharged or turbocharged engines, or sandy conditions.
  • Includes thermostat housing, 2 Tee fittings, a 160 degree thermostat, valve, seat, & spring.
  • Housing is 4 inches long x 3-1/8" wide x 3" tall.
  • Housing has four 1/2" NPT ports.
  • Tee fittings are 1/2" NPT x Two 5/8" hose on the run.
  • Includes bolts and gaskets.

120 Degree Brass Hi-Flow Marine Thermostat - For 496/525 Engines
Your Price:
$69.99

120 Degree Brass Hi-Flow Marine Thermostat - For 496/525 Engines

540-160112

120 Degree Brass Hi-Flow Marine Thermostat - For 496/525 Engines

These Hi-Flow brass marine thermostats feature air relief parts. This enables steam pockets caused by cold water entering a heated engine block. Their hi-flow design help to maintain the most constant temperature. Don’t trust your engine to anything less.


140 Degree Brass Hi-flow Marine Thermostat
Your Price:
$39.99

140 Degree Brass Hi-flow Marine Thermostat

540-160106

140 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. This enables relief of the steam pockets caused by cold water entering a heated engine block. Their hi-flow design helps to maintain a constant operating temperature. Don't trust your engine to anything less!


160 Degree Brass Hi-flow Marine Thermostat
Your Price:
$28.99

160 Degree Brass Hi-flow Marine Thermostat

540-160101

160 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!


180 Degree Brass Hi-flow Marine Thermostat
Your Price:
$24.99

180 Degree Brass Hi-flow Marine Thermostat

540-160108

180 Degree Brass Hi-flow Marine Thermostat

These hi-flow brass marine thermostats feature air relief ports. Thisenables relief of the steam pockets caused by cold water entering a heatedengine block. Their hi-flow design helps to maintain a constant operatingtemperature. Don't trust your engine to anything less!


Thermostat Kit Mercruiser 142 t-stat
Your Price:
$15.99

Thermostat Kit Mercruiser 142 t-stat

676-9-43150

Thermostat Kit
Replaces: Mercruiser
For: Many w/old design housing and 142° t-stat

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Kit Mercruiser 27-90556
Your Price:
$15.99

Thermostat Kit Mercruiser 27-90556

676-9-43152

Thermostat Kit
Contains: Mercruiser 27-90556, 27-47510, 27-60208, 27-48818-1, 59137
For: 3.7L 4 cyl.

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Kit Mercruiser 59078
Your Price:
$17.99

Thermostat Kit Mercruiser 59078

676-9-43020

Thermostat Kit
Replaces: Mercruiser 59078
140 degree

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Kit Mercruiser 59078T 3
Your Price:
$17.99

Thermostat Kit Mercruiser 59078T 3

676-9-43153

Thermostat Kit
Replaces: Mercruiser 59078T 3
For: GM inline 4 & 6 cyl.

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Kit Mercruiser 807252Q3
Your Price:
$17.99

Thermostat Kit Mercruiser 807252Q3

676-9-43151

Thermostat Kit
Replaces: Mercruiser 807252Q3
For: 1982 & older Ford/GM engine w/std cooling/ 1996 & older hi-perf. W/closed cooling.

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Kit Volvo 875781-7
Your Price:
$80.99

Thermostat Kit Volvo 875781-7

676-9-43018

Thermostat Kit
Replaces: Volvo 875781-7, 876097
60 C

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Mercruiser 47594
Your Price:
$22.99

Thermostat Mercruiser 47594

676-9-43024

Thermostat 143 degrees F
Replaces: Mercruiser 47594
Fits: MCM GM in-line 6 cyl

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel and brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Mercruiser 76270T
Your Price:
$12.99

Thermostat Mercruiser 76270T

676-9-43000

Thermostat
Replaces: Mercruiser 76270T, Crusader 96358 160 degree
Fits: 470/485 models s/n 6218036 & below

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Mercruiser 807252T2
Your Price:
$20.99

Thermostat Mercruiser 807252T2

676-9-43002

Thermostat
Replaces: Mercruiser 807252T2, Crusader 97895 160 degree
Fits: Merc 1987 & newer, GM engines w/standard cooling & 160 degree thermostat

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Mercruiser 99155A1
Your Price:
$14.99

Thermostat Mercruiser 99155A1

676-9-43001

Thermostat
Replaces: Mercruiser 99155A1 160 degree
Fits: 470/488/3.7L models s/n 6218037 & up

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat OMC 383307
Your Price:
$16.99

Thermostat OMC 383307

676-9-43021

Thermostat
Replaces: OMC 383307
160 degree

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance

Thermostat Volvo 3853983
Your Price:
$21.99

Thermostat Volvo 3853983

676-9-43026

Thermostat
Replaces: Volvo 3853983, OMC
Fits: late model 7.4L & 8.2L
140 degree (60C)

Proper cooling system operation is critical to achieve smooth engine idle and maximum fuel efficiency. Mallory Marine Thermostats are designed to provide superior reliability and performance in marine applications.

  • Superior corrosion resistance from our bi-metal marine grade stainless steel brass designs
  • Accurate temperature ranges for marine engines to assure proper cooling system performance