Thermostats

Ensuring that your car is operating at the right temperature is very important. Two of the most important parts of your car, which help to provide you with an accurate temperature reading, is 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. These are available to fit a wide variety of different car types, which can make them very easy to install and use.

A faulty thermostat can result in your Lexus overheating , and possibly a blown up engine.  Always look for Genuine Lexus parts for replacement, this way your are sure to get a thermostat the is made to keep your Lexus engine running at the exact temperature that the Lexus engineers intended. This can help to extend the life of your vehicle.



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Thermostat Unit
Part Number: 16031-36010
Other Names: Water Inlet, Thermostat, Inlet Sub-Assembly, Wate More Names
Description: 2.5 LITER More Info
Notes: Includes Thermostat. More Notes
Fits:
  • Lexus:
    • ES300h
$50.97
$39.83
$50.97
$39.83
Thermostat Gasket
Part Number: 16325-62010
Other Names: Thermostat Housing Gasket, Thermostat Seal, Gasket, Water Inlet Seal, Water Inlet Gasket, Gasket, Water Inlet More Names
Replaces: 16325-0H020
Description: RX450h. RX400h. RX350. ES300. ES350. RX300. ES330. 3.5L. 3.0L. 2007-09. 2004-06. 1992-97. 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
Thermostat Housing
Part Number: 16321-46040
Other Names: Thermostat Cover, Inlet, Water More Names
Replaces: 16321-46030
Description: IS300 More Info
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$41.09
$32.11
$41.09
$32.11
Thermostat Gasket
Part Number: 16325-0T030
Other Names: Thermostat Seal, Engine Coolant Thermostat Gasket, Gasket, Water Inlet More Names
Replaces: 16325-28010
Description: NX300H More Info
Fits:
  • Lexus:
    • HS250h,
    • NX300h
$6.64
$5.19
$6.64
$5.19
Thermostat Housing Gasket
Part Number: 16346-50010
Other Names: Thermostat Gasket, Gasket, Water Inlet Gasket, Thermostat Seal, Gasket, Thermostat More Names
Description: LX470 More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$5.52
$4.32
$5.52
$4.32
Thermostat Unit Seal
Part Number: 16325-36010
Other Names: Thermostat Gasket, Gasket, Water Inlet More Names
Description: ES300H More Info
Notes: Included With Thermostat Unit. More Notes
Fits:
  • Lexus:
    • ES300h
$5.32
$4.16
$5.32
$4.16
Thermostat Unit Gasket
Part Number: 16326-38010
Other Names: Water Inlet Gasket, Gasket, Thermostat Housing O-Ring, Thermostat Seal, Thermostat Unit O-Ring, Gasket, Water Inlet More Names
Description: GX460 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
Thermostat Housing Gasket
Part Number: 16346-32010
Other Names: Thermostat Gasket, Gasket, Thermostat More Names
Replaces: 16346-17010
Description: 1998-00, TO 1/98 More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • LS400,
    • SC400
$4.17
$3.25
$4.17
$3.25
Engine Coolant Thermostat
Part Number: 90916-03154
Positions: Left
Other Names: Thermostat More Names
Description: IS300; 2.0L; LEFT (NO 2) 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
Engine Coolant Thermostat
Part Number: 90916-03156
Positions: Right
Other Names: Thermostat More Names
Description: IS300; 2.0L; RIGHT (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 Housing O-Ring
Part Number: 96761-35035
Other Names: Housing Gasket, Thermostat Housing Seal, Ring, O More Names
Description: 4.3L. 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
Thermostat
Part Number: 90916-03075
Description: ES300 More Info
Fits:
  • Lexus:
    • ES250,
    • ES300
$31.21
$24.40
$31.21
$24.40
Thermostat
Part Number: 90916-03093
Description: IS300 More Info
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$28.69
$22.43
$28.69
$22.43
Thermostat
Part Number: 90916-03117
Replaces: 90916-03094
Description: LX450 More Info
Fits:
  • Lexus:
    • LX450
$31.52
$24.64
$31.52
$24.64
Thermostat
Part Number: 90916-03136
Description: HS HYBRID More Info
Fits:
  • Lexus:
    • HS250h
$28.52
$22.30
$28.52
$22.30
Thermostat
Part Number: 90916-03138
Description: SC430 More Info
Fits:
  • Lexus:
    • GS430,
    • GX470,
    • LX470,
    • SC430
$48.96
$38.26
$48.96
$38.26
Thermostat
Part Number: 90916-A3002
Replaces: 90916-03133, 90916-03140, 90916-A3001
Description: RX450H More Info
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$28.52
$22.30
$28.52
$22.30
Thermostat
Part Number: 90916-A3003
Replaces: 90916-03084, 90916-03129
Description: RX400H More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • LS400,
    • RX300,
    • RX330,
    • RX400h,
    • SC400
  • 2 more
$28.55
$22.31
$28.55
$22.31
Thermostat
Part Number: 90916-03100
Description: LX470 More Info
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$28.60
$22.36
$28.60
$22.36
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 More Info
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$77.66
$60.70
$77.66
$60.70
Gasket, Thermostat
Part Number: 16346-66020
Fits:
  • Lexus:
    • LX450
$5.52
$4.32
$5.52
$4.32
Thermostatic Switch
Part Number: 88625-48010
Other Names: Thermistor, Thermistor, Cooler More Names
Description: RX300. More Info
Notes: Included With AC & Heater Assembly. Included With Evaporator Assembly. More Notes
Fits:
  • Lexus:
    • IS300,
    • RX300
$23.01
$17.98
$23.01
$17.98
Thermostatic Switch
Part Number: 88625-48050
Other Names: Thermistor, Thermistor, Cooler More Names
Description: RX400h. More Info
Notes: Included With Evaporator Assembly. More Notes
Fits:
  • Lexus:
    • RX330,
    • RX350,
    • RX400h
$17.89
$13.99
$17.89
$13.99
Thermostat Housing
Part Number: 16321-62010
Other Names: Water Inlet, Inlet, Water More Names
Description: ES300 More Info
Fits:
  • Lexus:
    • ES250,
    • ES300
$55.80
$43.62
$55.80
$43.62
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
Thermostat Cover
Part Number: 16321-50010
Other Names: Water Inlet, Inlet, Water More Names
Description: 1992-97 More Info
Fits:
  • Lexus:
    • LS400,
    • SC400
$40.98
$32.03
$40.98
$32.03
Thermostat Housing
Part Number: 16323-0P030
Other Names: Housing, Water Inlet More Names
Description: ES350; USA BUILT More Info
Fits:
  • Lexus:
    • ES350,
    • RX350
$82.92
$64.81
$82.92
$64.81
Thermostat Housing
Part Number: 16323-0S020
Other Names: Housing, Water Inlet More Names
Replaces: 16323-38010
Description: LX570; W/O TOW PACKAGE More Info
Fits:
  • Lexus:
    • LX570
$64.85
$50.69
$64.85
$50.69
Thermostat Housing
Part Number: 15660-38010
Other Names: Housing Assembly, Oil Th More Names
Description: 5.0 LITER 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; 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 More Info
Fits:
  • Lexus:
    • RX330
$59.56
$46.55
$59.56
$46.55
Thermostat Housing
Part Number: 16321-20030
Other Names: Water Inlet, Water Outlet, Inlet Pipe, Inlet, Water More Names
Replaces: 16321-0A030
Description: RX400h. ES300. ES330. RX300. 2004-06, japan built, type 1. More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$70.48
$55.08
$70.48
$55.08
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 More Info
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$148.52
$110.72
$148.52
$110.72
Thermostat Housing
Part Number: 16323-38030
Other Names: Water Inlet, Inlet Connector, Inlet Assembly, Water Outlet, Housing, Water Inlet More Names
Description: LS460 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
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
Water Inlet
Part Number: 16031-0S010
Other Names: Thermostat Unit, Thermostat Housing, Thermostat, Inlet Sub-Assembly, Wate More Names
Replaces: 16031-38010
Description: GX460 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
Other Names: Thermostat Housing, Thermostat Cover, Inlet, Water More Names
Replaces: 16321-50020
Description: LX470; COVER 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, Engine Coolant Thermostat Gasket, Gasket, Thermostat More Names
Replaces: 16346-36010
Description: IS300; 2.0L; RIGHT 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
Water Inlet
Part Number: 16031-31020
Other Names: Thermostat Housing, Thermostat Unit, Inlet Sub-Assembly, Wate More Names
Description: IS 250/350, W/THERMOSTAT 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
Radiator Cap
Part Number: 16342-70010
Other Names: Thermostat, Valve, Water Control More Names
Description: LS500 More Info
Fits:
  • Lexus:
    • LS500
$896.23
$635.80
$896.23
$635.80
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 More Info
Fits:
  • Lexus:
    • ES300
$94.24
$70.26
$94.24
$70.26
Water Inlet
Part Number: 16323-0S010
Other Names: Thermostat Housing, Housing, Water Inlet More Names
Replaces: 16323-38020
Description: LX570. With tow package. More Info
Fits:
  • Lexus:
    • LX570
$65.97
$51.56
$65.97
$51.56
Water Inlet Seal
Part Number: 16326-37020
Other Names: Thermostat Gasket, Gasket, Water Inlet More Names
Description: CT200H More Info
Notes: Included With Water Inlet. More Notes
Fits:
  • Lexus:
    • CT200h
$5.40
$4.23
$5.40
$4.23
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
Inlet Sub-Assembly, Wate
Part Number: 16031-31031
Other Names: Thermostat, Inlet Sub-Assembly, Wate More Names
Replaces: 16031-31030
Description: RX450h. RX350. ES350. 3.5L. Without hybrid. More Info
Notes: Includes Thermostat And Gasket. More Notes
$61.06
$47.72
$61.06
$47.72
Water Inlet
Part Number: 16323-38040
Other Names: Thermostat Housing, Housing, Water Inlet More Names
Description: LS600H L More Info
Fits:
  • Lexus:
    • LS600h
$67.11
$52.47
$67.11
$52.47
Gasket
Part Number: 16326-31020
Other Names: Water Inlet Gasket, Thermostat Housing Gasket, Thermostat Unit Gasket, Gasket, Water Inlet More Names
Replaces: 16326-31010
Description: IS250, IS350 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

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