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Isuzu Thermostat

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33964 Thermostat
Part Number: GAT33964
0 Reviews
Vehicle Info Required to Guarantee Fit
$23.49
Vehicle Fitment
  • 1999 - 2004 Isuzu NPR-HD Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NPR Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NQR Base 4 Cyl 4.8L
  • 2005 - 2009 Isuzu NPR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NPR-HD Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NQR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NRR Base 4 Cyl 5.2L
Product Details
Location : Driver Side
33965 Thermostat
Part Number: GAT33965
0 Reviews
Vehicle Info Required to Guarantee Fit
$24.99
Vehicle Fitment
  • 1999 - 2004 Isuzu NPR-HD Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NPR Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NQR Base 4 Cyl 4.8L
  • 2005 - 2009 Isuzu NPR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NPR-HD Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NQR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NRR Base 4 Cyl 5.2L
Product Details
Location : Passenger Side
SET-GAT33964 Thermostat
Part Number: SET-GAT33964
0 Reviews
Vehicle Info Required to Guarantee Fit
$46.49
Vehicle Fitment
  • 1999 - 2004 Isuzu NPR-HD Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NPR Base 4 Cyl 4.8L
  • 1999 - 2004 Isuzu NQR Base 4 Cyl 4.8L
  • 2005 - 2009 Isuzu NPR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NPR-HD Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NQR Base 4 Cyl 5.2L
  • 2005 - 2012 Isuzu NRR Base 4 Cyl 5.2L
Product Details
Location : Driver And Passenger SideNotes : Kit components - 2 ThermostatsQuantity Sold : Set of 2Warranty : Lifetime Gates limited warranty
33479S Thermostat
Part Number: GAT33479S
0 Reviews
Vehicle Info Required to Guarantee Fit
$13.49
Vehicle Fitment
  • 1981 - 1982 Isuzu Pickup Base 4 Cyl 1.8L
  • 1981 - 1982 Isuzu Pickup Base 4 Cyl 2.2L
  • 1981 - 1982 Isuzu Pickup DLX 4 Cyl 1.8L
  • 1981 - 1982 Isuzu Pickup DLX 4 Cyl 2.2L
  • 1981 - 1985 Isuzu I-Mark Base 4 Cyl 1.8L
  • 1981 - 1985 Isuzu I-Mark DLX 4 Cyl 1.8L
  • 1982 - 1983 Isuzu I-Mark LS 4 Cyl 1.8L
  • 1983 - 1987 Isuzu Impulse Base 4 Cyl 1.9L
  • 1983 - 1987 Isuzu Pickup Base 4 Cyl 1.9L
  • 1983 - 1987 Isuzu Pickup DLX 4 Cyl 1.9L
  • 1983 - 1987 Isuzu Pickup LS 4 Cyl 1.9L
  • 1984 Isuzu Impulse SE 4 Cyl 1.9L GAS, 195 Degree
  • 1984 - 1985 Isuzu Pickup LX 4 Cyl 1.9L
  • 1984 - 1985 Isuzu Trooper Base 4 Cyl 1.9L
  • 1985 Isuzu I-Mark DLX 4 Cyl 1.5L GAS, 195 Degree
  • 1985 - 1987 Isuzu I-Mark Base 4 Cyl 1.5L
  • 1985 - 1989 Isuzu Impulse Base 4 Cyl 2.0L
  • 1986 Isuzu Trooper LX 4 Cyl 2.3L
  • 1986 - 1987 Isuzu Pickup Base 4 Cyl 2.3L
  • 1986 - 1987 Isuzu Pickup DLX 4 Cyl 2.3L
  • 1986 - 1987 Isuzu Trooper DLX 4 Cyl 2.3L
  • 1986 - 1987 Isuzu Trooper LS 4 Cyl 2.3L
  • 1986 - 1991 Isuzu Pickup LS 4 Cyl 2.3L
  • 1987 - 1989 Isuzu I-Mark S 4 Cyl 1.5L
  • 1988 - 1989 Isuzu I-Mark XS 4 Cyl 1.5L
  • 1988 - 1989 Isuzu Impulse Base 4 Cyl 2.3L
  • 1988 - 1991 Isuzu Trooper LS 4 Cyl 2.6L
  • 1988 - 1991 Isuzu Trooper S 4 Cyl 2.6L
  • 1988 - 1991 Isuzu Trooper XS 4 Cyl 2.6L
  • 1988 - 1992 Isuzu Pickup 1 Ton 4 Cyl 2.6L
  • 1988 - 1992 Isuzu Pickup LS 4 Cyl 2.6L
  • 1988 - 1995 Isuzu Pickup S 4 Cyl 2.6L
  • 1989 Isuzu I-Mark LS 4 Cyl 1.5L GAS, 195 Degree
  • 1989 Isuzu I-Mark RS 4 Cyl 1.6L GAS, 195 Degree
  • 1989 Isuzu Pickup XS 4 Cyl 2.3L GAS, 195 Degree
  • 1989 - 1990 Isuzu Pickup XS 4 Cyl 2.6L
  • 1989 - 1990 Isuzu Trooper RS 4 Cyl 2.6L
  • 1989 - 1993 Isuzu Amigo S 4 Cyl 2.3L
  • 1989 - 1993 Isuzu Amigo XS 4 Cyl 2.3L
  • 1989 - 1994 Isuzu Amigo S 4 Cyl 2.6L
  • 1989 - 1994 Isuzu Amigo XS 4 Cyl 2.6L
  • 1989 - 1995 Isuzu Pickup S 4 Cyl 2.3L
  • 1990 - 1991 Isuzu Impulse XS 4 Cyl 1.6L
  • 1991 Isuzu Pickup 1 Ton 4 Cyl 2.3L GAS, 195 Degree
  • 1991 Isuzu Stylus XS 4 Cyl 1.6L GAS, 195 Degree
  • 1991 Isuzu Trooper SE 4 Cyl 2.6L
  • 1991 - 1992 Isuzu Impulse RS 4 Cyl 1.6L
  • 1991 - 1992 Isuzu Rodeo XS 4 Cyl 2.6L
  • 1991 - 1993 Isuzu Stylus S 4 Cyl 1.6L
  • 1991 - 1997 Isuzu Rodeo LS 4 Cyl 2.6L
  • 1991 - 1997 Isuzu Rodeo S 4 Cyl 2.6L
  • 1992 Isuzu Impulse XS 4 Cyl 1.8L GAS, 195 Degree
33569S Thermostat
Part Number: GAT33569S
0 Reviews
Vehicle Info Required to Guarantee Fit
$15.49
Vehicle Fitment
  • 2004 Isuzu Axiom S 6 Cyl 3.5L GAS, 195 Degree
  • 2004 Isuzu Axiom XS 6 Cyl 3.5L GAS, 195 Degree
Product Details
Notes : 1.14 in. by-pass flange diameter; 1.38 in. depth from flange; 2.05 in. flange diameter; 0.91 in. H from flange; Includes jiggle pin; Premium thermostat typeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warranty
33963 Thermostat
Part Number: GAT33963
0 Reviews
Vehicle Info Required to Guarantee Fit
$13.99
Vehicle Fitment
  • 2003 Isuzu Ascender Base 8 Cyl 5.3L GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
  • 2003 - 2005 Isuzu Ascender Limited 8 Cyl 5.3L
  • 2003 - 2006 Isuzu Ascender LS 8 Cyl 5.3L
  • 2003 - 2012 Isuzu NPR Base 8 Cyl 6.0L
  • 2003 - 2012 Isuzu NPR-HD Base 8 Cyl 6.0L
  • 2005 Isuzu Ascender S 8 Cyl 5.3L GAS, With GM Updated Replacement Water Pump, Excludes Housing, 186 Degree
33019 Thermostat
Part Number: GAT33019
0 Reviews
Vehicle Info Required to Guarantee Fit
$11.49
Vehicle Fitment
  • 1993 - 2002 Isuzu NPR Base 8 Cyl 5.7L
  • 1997 - 2000 Isuzu Hombre S 6 Cyl 4.3L
  • 1997 - 2000 Isuzu Hombre XS 6 Cyl 4.3L
  • 1999 - 2002 Isuzu NPR-HD Base 8 Cyl 5.7L
33188S Thermostat
Part Number: GAT33188S
0 Reviews
Vehicle Info Required to Guarantee Fit
$16.49
Vehicle Fitment
  • 1981 - 1984 Isuzu I-Mark Base 4 Cyl 1.8L
  • 1981 - 1984 Isuzu I-Mark DLX 4 Cyl 1.8L
  • 1982 - 1983 Isuzu I-Mark LS 4 Cyl 1.8L
  • 1983 - 1987 Isuzu Pickup Base 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup DLX 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup LS 4 Cyl 2.2L
  • 1984 Isuzu Trooper Base 4 Cyl 2.2L
  • 1984 - 1985 Isuzu Pickup LX 4 Cyl 2.2L
  • 1986 Isuzu Trooper LX 4 Cyl 2.2L DIESEL, 180 Degree
  • 1986 - 1987 Isuzu Trooper DLX 4 Cyl 2.2L
  • 1986 - 1987 Isuzu Trooper LS 4 Cyl 2.2L
Product Details
Notes : 1.09 in. by-pass flange diameter; 1.36 in. depth from flange; 2.13 in. flange diameter; 0.91 in. H from flange; Premium thermostat typeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warranty
33189 Thermostat
Part Number: GAT33189
0 Reviews
Vehicle Info Required to Guarantee Fit
$13.99
Vehicle Fitment
  • 1981 - 1984 Isuzu I-Mark Base 4 Cyl 1.8L
  • 1981 - 1984 Isuzu I-Mark DLX 4 Cyl 1.8L
  • 1982 - 1983 Isuzu I-Mark LS 4 Cyl 1.8L
  • 1983 - 1987 Isuzu Pickup Base 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup DLX 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup LS 4 Cyl 2.2L
  • 1984 Isuzu Trooper Base 4 Cyl 2.2L
  • 1984 - 1985 Isuzu Pickup LX 4 Cyl 2.2L
  • 1986 Isuzu Trooper LX 4 Cyl 2.2L DIESEL, 195 Degree
  • 1986 - 1987 Isuzu Trooper DLX 4 Cyl 2.2L
  • 1986 - 1987 Isuzu Trooper LS 4 Cyl 2.2L
33189S Thermostat
Part Number: GAT33189S
0 Reviews
Vehicle Info Required to Guarantee Fit
$12.99
Vehicle Fitment
  • 1981 - 1984 Isuzu I-Mark Base 4 Cyl 1.8L
  • 1981 - 1984 Isuzu I-Mark DLX 4 Cyl 1.8L
  • 1982 - 1983 Isuzu I-Mark LS 4 Cyl 1.8L
  • 1983 - 1987 Isuzu Pickup Base 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup DLX 4 Cyl 2.2L
  • 1983 - 1987 Isuzu Pickup LS 4 Cyl 2.2L
  • 1984 Isuzu Trooper Base 4 Cyl 2.2L
  • 1984 - 1985 Isuzu Pickup LX 4 Cyl 2.2L
  • 1986 Isuzu Trooper LX 4 Cyl 2.2L DIESEL, 195 Degree
  • 1986 - 1987 Isuzu Trooper DLX 4 Cyl 2.2L
  • 1986 - 1987 Isuzu Trooper LS 4 Cyl 2.2L
33258 Thermostat
Part Number: GAT33258
0 Reviews
Vehicle Info Required to Guarantee Fit
$11.99
Vehicle Fitment
  • 1989 Isuzu Trooper LS 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper RS 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper S 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper XS 6 Cyl 2.8L GAS, 180 Degree
Product Details
Notes : 0.78 in. depth from flange; 1.89 in. flange diameter; 0.88 in. H from flange; Reverse poppet design; OE type thermostatQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warranty
33258S Thermostat
Part Number: GAT33258S
0 Reviews
Vehicle Info Required to Guarantee Fit
$11.99
Vehicle Fitment
  • 1989 Isuzu Trooper LS 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper RS 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper S 6 Cyl 2.8L GAS, 180 Degree
  • 1989 Isuzu Trooper XS 6 Cyl 2.8L GAS, 180 Degree
33259 Thermostat
Part Number: GAT33259
0 Reviews
Vehicle Info Required to Guarantee Fit
$11.49
Vehicle Fitment
  • 1989 Isuzu Trooper LS 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper RS 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper S 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper XS 6 Cyl 2.8L GAS, 195 Degree
33259S Thermostat
Part Number: GAT33259S
0 Reviews
Vehicle Info Required to Guarantee Fit
$14.49
Vehicle Fitment
  • 1989 Isuzu Trooper LS 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper RS 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper S 6 Cyl 2.8L GAS, 195 Degree
  • 1989 Isuzu Trooper XS 6 Cyl 2.8L GAS, 195 Degree
Product Details
Notes : 0.91 in. depth from flange; 1.88 in. flange diameter; 0.91 in. H from flange; Premium thermostat typeQuantity Sold : Sold individuallyWarranty : Lifetime Gates limited warranty
33340S Thermostat
Part Number: GAT33340S
0 Reviews
Vehicle Info Required to Guarantee Fit
$13.49
Vehicle Fitment
  • 2004 Isuzu Axiom S 6 Cyl 3.5L GAS, 170 Degree
  • 2004 Isuzu Axiom XS 6 Cyl 3.5L GAS, 170 Degree
Page 1 of 6 | Showing 1 - 15 of 86 results

Isuzu Thermostat Guides

The Isuzu thermostat is a small part of your engine cooling system that provides a large benefit to the efficient operation of the engine and the cooling system. The engine is most efficient when it is warm, which allows the oil to flow smoothly through its lubricating cycle to avoid friction between the engine parts as they perform their various functions in the process that creates engine power. The first start of the day is the most vulnerable time for many of these engine components, with the oil drained away from them into the oil pan, thick and sluggish from the cold. The Isuzu thermostat helps to bring the engine to an optimal temperature for safest and most efficient operation. The most efficient engine temperature is a delicate balance, needing to be warm enough for the free flow of lubricating engine oil, but not reaching a temperature warm enough to cause engine overheating. The Isuzu thermostat helps the engine to reach this balance more quickly, delaying the start of the engine cooling cycle until the proper engine temperature is achieved. By blocking the flow of the engine coolant fluid in the radiator, the Isuzu thermostat allows the engine to warm quickly, keeping the coolant from flowing through the engine to slow the process. Once the engine has warmed to a sufficient temperature to allow the oil to flow and the engine parts to operate smoothly, the Isuzu thermostat will open to allow the coolant to begin the process that maintains that efficient temperature. We carry a selection of quality Isuzu thermostat replacements in our online catalog to keep your engine at its best. Our excellent prices and great customer service will make ordering your Isuzu thermostat quick and easy, whether you use our secure site or dial our toll-free phone line.

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