Thermostats

Ensuring that your car is operating at the right temperature is very important. Two of the most important parts of your car that help to provide you with an accurate temperature reading are the thermostat gasket and the thermostat housing unit. When you are looking for a thermostat replacement, you will need to also make a thermostat housing replacement. Fortunately, you can find all of the thermostat parts and accessories that you need online, and especially here, through The Parts Specialist. Through us, we have thermostats available to fit a wide variety of different Lexus models, which can make them very easy to install and use. A faulty thermostat can result in your Lexus overheating, which can even possibly result in a blown-up engine. Always look for genuine Lexus parts for replacement; this way you are sure to get a thermostat that is made to keep your Lexus engine running at the exact temperature that the Lexus engineers intended. After all, this can significantly help extend the life of your vehicle. When you purchase OEM thermostats through The Parts Specialist, you're receiving genuine components that are designed specifically with your vehicle in mind. When it comes to car parts, you should never settle for anything less. Below, you can find our wide selection of OEM thermostats and thermostat housing. Select the ones that your Lexus needs the most, and you can let The Parts Specialist handle the rest. Soon, the internal temperatures in your Lexus will be safely regulated, drive after drive.

Refine Results
Thermostat Housing
Part Number: 16323-0P030
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing, Water Inlet, More Names
Description: RX350. ES350. Usa built. Canada built. Exc.Japan Built. Engine # axxxxxx-gxxxxxx. More Info
Fits:
  • Lexus:
    • ES350,
    • RX350
$82.92
$64.81
$82.92
$64.81
Thermostat Housing
Part Number: 16323-0S020
Positions: Lower
Other Names: Engine Coolant Thermostat Housing, Housing, Water Inlet, More Names
Replaces: 16323-38010
Description: LX570. To 08/18. Exc.Towing Package. Without tow package. More Info
Fits:
  • Lexus:
    • LX570
$64.85
$50.69
$64.85
$50.69
Thermostat Unit
Part Number: 16031-36010
Other Names: Water Inlet, Thermostat, Inlet Sub-Assembly, Wate, More Names
Description: ES300h. 2.5L. More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Lexus:
    • ES300h
$50.97
$39.83
$50.97
$39.83
Thermostat Housing
Part Number: 16321-46040
Other Names: Thermostat Cover, Inlet, Water, More Names
Replaces: 16321-46030
Description: SC300, GS300. IS300. 3.0L. More Info
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$41.09
$32.11
$41.09
$32.11
Thermostat Housing
Part Number: 16323-38030
Positions: Lower
Other Names: Water Inlet, Inlet Connector, Inlet Assembly, Water Outlet, Engine Coolant Thermostat Housing, Housing, Water Inlet More Names
Description: LS460, ls460l. GS460. LC500. IS F. GS F. Rc-f. 5.0L. 4.6L. More Info
Notes: Includes Radiator Cap. More Notes
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • IS F,
    • LC500,
    • LS460,
    • RC F
  • 1 more
$83.13
$64.97
$83.13
$64.97
Thermostat Gasket
Part Number: 16325-0T030
Other Names: Thermostat Seal, Gasket, Water Inlet, More Names
Replaces: 16325-28010
Description: NX300h. 2.5L. Hs hybrid. More Info
Fits:
  • Lexus:
    • HS250h,
    • NX300h
$6.64
$5.19
$6.64
$5.19
Thermostat Gasket
Part Number: 16325-62010
Other Names: Thermostat Housing Gasket, Engine Coolant Thermostat Gasket, Thermostat Seal, Gasket, Water Inlet Seal, Water Inlet Gasket, Gasket,... More Names
Replaces: 16325-0H020
Description: RX450h. RX400h. RX350. ES300. ES350. RX300. ES330. 3.0L. 3.5L. O-Ring. 2007-09. 2004-06. 1992-97. To 07/97. Canada built. More Info
Fits:
  • Lexus:
    • ES250,
    • ES300,
    • ES330,
    • ES350,
    • GS300,
    • IS300,
    • LS400,
    • RX300,
    • RX330,
    • RX350,
    • RX400h,
    • RX450h,
    • SC300,
    • SC400
  • 9 more
$7.01
$5.47
$7.01
$5.47
Engine Coolant Thermostat
Part Number: 90916-03100
Other Names: Thermostat, More Names
Description: LS400, SC400. LX470. LS430. GS430. SC430. GX470. GS400. 4.3L. 4.0L. 1998-00. From 07/97. More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$28.60
$22.36
$28.60
$22.36
Engine Coolant Thermostat
Part Number: 90916-03075
Other Names: Thermostat, More Names
Description: ES250. ES300. 1992-93. More Info
Fits:
  • Lexus:
    • ES250,
    • ES300
$31.21
$24.40
$31.21
$24.40
Engine Coolant Thermostat
Part Number: 90916-03138
Other Names: Thermostat, More Names
Description: SC430. GX470. GS430. From 07/2006. More Info
Fits:
  • Lexus:
    • GS430,
    • GX470,
    • LX470,
    • SC430
$48.96
$38.26
$48.96
$38.26
Thermostat Housing Gasket
Part Number: 16325-0P020
Other Names: Engine Coolant Thermostat Housing Gasket, Gasket, Water Inlet, More Names
Description: Canada built. Exc.Japan Built Part. Engine # axxxxxx-gxxxxxx. More Info
Fits:
  • Lexus:
    • ES350,
    • RX350
$2.33
$1.82
$2.33
$1.82
Engine Coolant Thermostat
Part Number: 90916-03156
Positions: Right, Outer
Other Names: Thermostat More Names
Description: RC200t, RC Turbo, RC300. GS200t, GS300. NX200t. IS200t. NX300. IS300. Outer. 2.0L, #1. Right (no 1). Wax 182-195. Wax 82-95 (no. 1).... More Info
Notes: Part Of Water Inlet On Not Serviced Model Years. More Notes
Fits:
  • Lexus:
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • NX200t,
    • NX300,
    • RC Turbo,
    • RC200t,
    • RC300
  • 4 more
$63.36
$49.52
$63.36
$49.52
Thermostat Unit Seal
Part Number: 16325-36010
Other Names: Thermostat Gasket, Gasket, Water Inlet, More Names
Description: ES300h. 2.5L. More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Lexus:
    • ES300h
$5.32
$4.16
$5.32
$4.16
Thermostat Housing Gasket
Part Number: 16346-32010
Other Names: Engine Coolant Thermostat Gasket, Thermostat Gasket, Gasket, Thermostat, More Names
Replaces: 16346-17010
Description: 4.3L. 4.0L. O-Ring. To 01/1998. From 07/97. 1998-00, to 1/98. More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • LS400,
    • SC400
$4.17
$3.25
$4.17
$3.25
Engine Coolant Thermostat Housing
Part Number: 16321-50010
Positions: Upper
Other Names: Thermostat Cover, Water Inlet, Inlet, Water More Names
Description: 1992-97. To 09/97. More Info
Fits:
  • Lexus:
    • LS400,
    • SC400
$40.98
$32.03
$40.98
$32.03
Engine Coolant Thermostat Gasket
Part Number: 16346-50010
Other Names: Thermostat Gasket, Gasket, Water Inlet Gasket, Thermostat Housing Gasket, Thermostat Seal, Gasket, Thermostat, More Names
Description: LX470. GX470. GS430. 4.3L. O-Ring. From 01/1998. 1998-00, from 1-98. More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$5.52
$4.32
$5.52
$4.32
Engine Coolant Thermostat Gasket
Part Number: 16346-66020
Other Names: Gasket, Thermostat, More Names
Fits:
  • Lexus:
    • LX450
$5.52
$4.32
$5.52
$4.32
Engine Coolant Thermostat Housing
Part Number: 16321-20030
Positions: Upper
Other Names: Thermostat Housing, Water Inlet, Water Outlet, Inlet Pipe, Inlet, Water, More Names
Replaces: 16321-0A030
Description: RX400h. ES300. RX300. ES330. Type-A. 2004-06, japan built, type 1. Short Outlet wo/Mounting Tab. More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$70.48
$55.08
$70.48
$55.08
Engine Coolant Thermostat Housing
Part Number: 16321-62010
Other Names: Thermostat Housing, Water Inlet, Inlet, Water, More Names
Description: ES300. ES250. 1992-93. More Info
Fits:
  • Lexus:
    • ES250,
    • ES300
$55.80
$43.62
$55.80
$43.62
Thermostat Housing O-Ring
Part Number: 16325-38010
Other Names: Water Inlet Gasket, Engine Coolant Thermostat Housing Gasket, Gasket, Water Inlet, More Names
Fits:
  • Lexus:
    • GX460,
    • LX570
$2.33
$1.82
$2.33
$1.82
Engine Coolant Thermostat Gasket
Part Number: 16326-38010
Other Names: Water Inlet Gasket, Gasket, Thermostat Unit Gasket, Thermostat Housing O-Ring, Thermostat Seal, Thermostat Unit O-Ring, Gasket,... More Names
Description: LS460, ls460l. LS600h L. GX460. LX570. GS460. LC500. IS F. GS F. 5.0L. Rc-f. 4.6L. O-Ring. More Info
Notes: Included With Thermostat Housing. Included With Water Inlet. More Notes
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • GX460,
    • IS F,
    • LC500,
    • LS460,
    • LS600h,
    • LX570,
    • RC F
  • 4 more
$5.46
$4.26
$5.46
$4.26
Engine Coolant Thermostat Housing Gasket
Part Number: 16119-66020
Other Names: Gasket, Thermostat G, More Names
Fits:
  • Lexus:
    • LX450
$6.38
$4.98
$6.38
$4.98
Thermostat
Part Number: 90916-03154
Positions: Left
Other Names: More Names
Description: RC200t, RC Turbo, RC300. GS200t, GS300. NX200t. IS200t. NX300. IS300. 2.0L, #2. Left (no 2). Wax 178-191. Wax 78-91 (no. 2). With wax... More Info
Notes: Part Of Water Inlet On Not Serviced Model Years. More Notes
Fits:
  • Lexus:
    • GS Turbo,
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • NX200t,
    • NX300,
    • RC Turbo,
    • RC200t,
    • RC300
  • 5 more
$35.88
$28.04
$35.88
$28.04
Thermostat
Part Number: 90916-03093
Other Names: More Names
Description: SC300, GS300. IS300. 3.0L. More Info
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$28.69
$22.43
$28.69
$22.43
Thermostat
Part Number: 90916-03117
Other Names: More Names
Replaces: 90916-03094
Description: LX450. More Info
Fits:
  • Lexus:
    • LX450
$31.52
$24.64
$31.52
$24.64
Thermostat
Part Number: 90916-03136
Other Names: More Names
Description: Hs hybrid. More Info
Fits:
  • Lexus:
    • HS250h
$28.52
$22.30
$28.52
$22.30
Thermostat
Part Number: 90916-A3002
Other Names: More Names
Replaces: 90916-03133, 90916-03140, 90916-A3001
Description: RX450h. RX350. ES350. 3.5L. 2007-09. Canada built. More Info
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$28.52
$22.30
$28.52
$22.30
Thermostat
Part Number: 90916-A3003
Other Names: More Names
Replaces: 90916-03084, 90916-03129
Description: LS400, SC400. RX400h. ES300. ES330. RX300. 2004-06. 1994-96. 1992-97. More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • LS400,
    • RX300,
    • RX330,
    • RX400h,
    • SC400
  • 2 more
$28.55
$22.31
$28.55
$22.31
Thermostatic Switch
Part Number: 88620-30290
Other Names: Thermistor, Thermistor Assembly, Air More Names
Description: LS500h. With hybrid. More Info
Notes: Included With AC & Heater Assembly. More Notes
Fits:
  • Lexus:
    • LS500,
    • LS500h
$18.40
$14.38
$18.40
$14.38
Thermostat Housing
Part Number: 16032-36050
Other Names: Housing Sub-Assembly, Wa, More Names
Description: ES300h. More Info
Fits:
  • Lexus:
    • ES300h
$299.59
$219.73
$299.59
$219.73
Thermistor
Part Number: 88620-0R010
Other Names: Thermostat Assembly, More Names
Replaces: 88620-28060
Description: 250h. More Info
Notes: Included With AC & Heater Asssembly. More Notes
Fits:
  • Lexus:
    • UX250h
$40.04
$31.29
$40.04
$31.29
Water Inlet
Part Number: 16031-0S010
Other Names: Thermostat Unit, Thermostat Housing, Thermostat, Inlet Sub-Assembly, Wate, More Names
Replaces: 16031-38010
Description: IS F, with thermostat. LS460, ls460l. LS600h L. GX460. GS460. LX570. LC500. GS F. Rc-f. 4.6L. 2wd, with thermostat. 5.0L, with thermostat. More Info
Notes: Includes Thermostat And Gasket. Included With Inlet Assembly. More Notes
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • GX460,
    • IS F,
    • LC500,
    • LS460,
    • LS600h,
    • LX570,
    • RC F
  • 4 more
$55.11
$43.07
$55.11
$43.07
Water Inlet
Part Number: 16321-0F010
Positions: Upper
Other Names: Thermostat Housing, Engine Coolant Thermostat Housing, Thermostat Cover, Inlet, Water, More Names
Replaces: 16321-50020
Description: LX470. GX470. GS400. GS430. 4.0L. 4.3L. Cover. 1998-00. From 07/97. More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$68.24
$53.34
$68.24
$53.34
Gasket
Part Number: 16346-36011
Positions: Right
Other Names: Water Inlet Gasket, Thermostat Gasket, Gasket, Thermostat More Names
Replaces: 16346-36010
Description: RC200t, RC Turbo, RC300. GS200t, GS300. NX200t. IS200t. IS300. NX300. Right. 2.0L, #2. For t-stat: wax 82-95. More Info
Fits:
  • Lexus:
    • GS Turbo,
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • NX200t,
    • NX300,
    • RC Turbo,
    • RC200t,
    • RC300
  • 5 more
$6.10
$4.77
$6.10
$4.77
Thermostat Housing
Part Number: 16321-66011
Other Names: Inlet, Water, More Names
Replaces: 16321-66010
Description: LX450. Housing. More Info
Fits:
  • Lexus:
    • LX450
$76.51
$59.80
$76.51
$59.80
Thermostat Housing
Part Number: 16323-31040
Other Names: Housing, Housing, Water Inlet, More Names
Replaces: 16323-0W011
Description: RX450h. ES350. RX350. 2007-09. Japan built. More Info
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$77.66
$60.70
$77.66
$60.70
Water Inlet
Part Number: 16031-31020
Other Names: Thermostat Housing, Thermostat Unit, Engine Coolant Thermostat Kit, Inlet Sub-Assembly, Wate More Names
Description: IS250 C, IS350 C. GS450h. GS300. IS300. RC300. RC350. GS350. To 10/17. 3.0, 3.5L. To 11/2017. Is 250/350, with thermostat. 3.5L, with... More Info
Notes: Includes Thermostat And Gasket. Included With Inlet Assembly. More Notes
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
  • 3 more
$71.71
$56.04
$71.71
$56.04
Thermostatic Switch
Part Number: 88625-48060
Other Names: Thermistor, Thermistor, Cooler More Names
Description: RX330. More Info
Notes: Included With Evaporator Assembly. More Notes
Fits:
  • Lexus:
    • RX330
$23.03
$17.99
$23.03
$17.99
Thermostat Housing
Part Number: 15660-38010
Other Names: Housing Assembly, Oil Th More Names
Description: 5.0L. More Info
Fits:
  • Lexus:
    • GS F,
    • RC F
$221.24
$162.27
$221.24
$162.27
Thermostat Housing
Part Number: 16032-50110
Other Names: Housing, Housing Sub-Assembly, Wa, More Names
Replaces: 16032-0F010, 16032-50070
Description: LX470. SC430. GX470. LS430. GS430. LS400. SC400. 4.0L. 4.3L. Housing. More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$123.26
$91.88
$123.26
$91.88
Thermostat Housing
Part Number: 16321-0A040
Other Names: Inlet Pipe, Inlet, Water, More Names
Description: 2004-06, japan built, type 2. More Info
Fits:
  • Lexus:
    • RX330
$59.56
$46.55
$59.56
$46.55
Thermostat Housing
Part Number: 16323-0S030
Other Names: Housing, Water Inlet, More Names
Replaces: 16323-38050
Description: GX460. More Info
Fits:
  • Lexus:
    • GX460
$72.75
$56.86
$72.75
$56.86
Thermostat Housing
Part Number: 16323-20020
Other Names: Housing, Water Inlet, Housing, Water Inlet, More Names
Replaces: 16323-0A020, 16323-0A021
Description: RX400h. RX300. 2004-06. More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$148.52
$110.72
$148.52
$110.72
Water Inlet
Part Number: 16321-0H011
Other Names: Thermostat Housing, Inlet, Water, More Names
Replaces: 16321-0H010, 16321-28020
Description: Hs hybrid. More Info
Fits:
  • Lexus:
    • HS250h
$30.43
$23.78
$30.43
$23.78
Water Inlet
Part Number: 16321-20010
Other Names: Thermostat Housing, Inlet, Water, More Names
Replaces: 16321-0A020
Description: ES300. 1994-96. More Info
Fits:
  • Lexus:
    • ES300
$94.24
$70.26
$94.24
$70.26
Radiator Cap
Part Number: 16342-70010
Other Names: Thermostat, Valve, Water Control More Names
Description: LS500. Water control valve. More Info
Fits:
  • Lexus:
    • LS500
$896.23
$635.80
$896.23
$635.80
Gasket
Part Number: 16326-31020
Other Names: Water Inlet Gasket, Thermostat Housing Gasket, Thermostat Unit Gasket, Engine Coolant Thermostat Gasket, Gasket, Water Inlet, More Names
Replaces: 16326-31010
Description: IS250 C, IS350 C. GS450h. GS350. RC350. IS300. RC300. GS300. O-Ring. 3.0, 3.5L. To 11/2017. To 10/2017. Is 250/350. 3.5L, with hybrid. More Info
Notes: Included With Water Inlet. Included With Thermostat Housing. More Notes
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
  • 3 more
$1.29
$1.01
$1.29
$1.01
Engine Coolant Pipe O-Ring
Part Number: 96761-35035
Positions: Lower
Other Names: Housing Gasket, Thermostat Housing O-Ring, Thermostat Housing Seal, Ring, O, More Names
Description: 4.3L. Lower Thermostat Housing. More Info
Fits:
  • Lexus:
    • GS F,
    • GS400,
    • GS430,
    • GS460,
    • GX460,
    • GX470,
    • IS F,
    • LC500,
    • LS400,
    • LS430,
    • LS460,
    • LS600h,
    • LX470,
    • LX570,
    • RC F,
    • SC400,
    • SC430
  • 12 more
$4.57
$3.58
$4.57
$3.58
Water Inlet
Part Number: 16323-38040
Other Names: Thermostat Housing, Housing, Water Inlet More Names
Description: LS600h L. 5.0L. More Info
Fits:
  • Lexus:
    • LS600h
$67.11
$52.47
$67.11
$52.47
Housing Stud
Part Number: 92122-B0825
Other Names: Thermostat Housing Stud, Bolt, Stud, More Names
Notes: Included With Thermostat Housing. More Notes
Fits:
  • Lexus:
    • GX470,
    • SC430
$1.70
$1.33
$1.70
$1.33

No results found for "thermostat". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!