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.



Thermostat Gasket
16325-62010
Other Names: Thermostat Housing Gasket, Thermostat Seal, Gasket, Water Inlet Seal, Water Inlet Gasket, Gasket, Water Inlet More
Replaces: 16325-0H020
Description: RX450h. RX400h. RX350. ES300. ES350. RX300. ES330. 3.5L. 3.0L. 2007-09. 2004-06. 1992-97. Canada built. More
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
16321-46040
Other Names: Thermostat Cover, Inlet, Water More
Replaces: 16321-46030
Description: IS300 More
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$41.09
$32.11
$41.09
$32.11
Thermostat Gasket
16325-0T030
Other Names: Thermostat Seal, Engine Coolant Thermostat Gasket, Gasket, Water Inlet More
Replaces: 16325-28010
Description: NX300H More
Fits:
  • Lexus:
    • HS250h,
    • NX300h
$6.64
$5.19
$6.64
$5.19
Thermostat Unit
16031-36010
Other Names: Water Inlet, Thermostat, Inlet Sub-Assembly, Wate More
Description: 2.5 LITER More
Notes: Includes Thermostat. More
Fits:
  • Lexus:
    • ES300h
$50.97
$39.83
$50.97
$39.83
Thermostat Unit Seal
16325-36010
Other Names: Thermostat Gasket, Gasket, Water Inlet More
Description: ES300H More
Notes: Included With Thermostat Unit. More
Fits:
  • Lexus:
    • ES300h
$5.32
$4.16
$5.32
$4.16
Thermostat Unit Gasket
16326-38010
Other Names: Water Inlet Gasket, Gasket, Thermostat Housing O-Ring, Thermostat Seal, Thermostat Unit O-Ring, Gasket, Water Inlet More
Description: GX460 More
Notes: Included With Thermostat Housing. Included With Water Inlet. More
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
16346-32010
Other Names: Thermostat Gasket, Gasket, Thermostat More
Replaces: 16346-17010
Description: 1998-00, TO 1/98 More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • LS400,
    • SC400
$4.17
$3.25
$4.17
$3.25
Engine Coolant Thermostat
90916-03156
Positions: Right
Other Names: Thermostat More
Description: IS300; 2.0L; RIGHT (NO 1) More
Notes: Part Of Water Inlet On Not Serviced Model Years. More
Fits:
  • Lexus:
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • NX200t,
    • NX300,
    • RC Turbo,
    • RC200t,
    • RC300
  • 4 more
$63.36
$49.52
$63.36
$49.52
Engine Coolant Thermostat
90916-03154
Positions: Left
Other Names: Thermostat More
Description: IS300; 2.0L; LEFT (NO 2) More
Notes: Part Of Water Inlet On Not Serviced Model Years. More
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 Housing Gasket
16346-50010
Other Names: Thermostat Gasket, Gasket, Water Inlet Gasket, Thermostat Seal, Gasket, Thermostat More
Description: LX470 More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$5.52
$4.32
$5.52
$4.32
Thermostat Housing O-Ring
96761-35035
Other Names: Housing Gasket, Thermostat Housing Seal, Ring, O More
Description: 4.3L. More
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
90916-03075
Description: ES300 More
Fits:
  • Lexus:
    • ES250,
    • ES300
$31.21
$24.40
$31.21
$24.40
Thermostat
90916-03093
Description: IS300 More
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$28.69
$22.43
$28.69
$22.43
Thermostat
90916-03117
Replaces: 90916-03094
Description: LX450 More
Fits:
  • Lexus:
    • LX450
$31.52
$24.64
$31.52
$24.64
Thermostat
90916-03136
Description: HS HYBRID More
Fits:
  • Lexus:
    • HS250h
$28.52
$22.30
$28.52
$22.30
Thermostat
90916-03138
Description: SC430 More
Fits:
  • Lexus:
    • GS430,
    • GX470,
    • LX470,
    • SC430
$48.96
$38.26
$48.96
$38.26
Thermostat
90916-A3002
Replaces: 90916-03133, 90916-03140, 90916-A3001
Description: RX450H More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$28.52
$22.30
$28.52
$22.30
Thermostat
90916-A3003
Replaces: 90916-03084, 90916-03129
Description: RX400H More
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • LS400,
    • RX300,
    • RX330,
    • RX400h,
    • SC400
  • 2 more
$28.55
$22.31
$28.55
$22.31
Thermostat
90916-03100
Description: LX470 More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$28.60
$22.36
$28.60
$22.36
Thermostatic Switch
88625-48010
Other Names: Thermistor, Thermistor, Cooler More
Description: RX300. More
Notes: Included With AC & Heater Assembly. Included With Evaporator Assembly. More
Fits:
  • Lexus:
    • IS300,
    • RX300
$23.01
$17.98
$23.01
$17.98
Thermostatic Switch
88625-48050
Other Names: Thermistor, Thermistor, Cooler More
Description: RX400h. More
Notes: Included With Evaporator Assembly. More
Fits:
  • Lexus:
    • RX330,
    • RX350,
    • RX400h
$17.89
$13.99
$17.89
$13.99
Thermostat Housing
16321-62010
Other Names: Water Inlet, Inlet, Water More
Description: ES300 More
Fits:
  • Lexus:
    • ES250,
    • ES300
$55.80
$43.62
$55.80
$43.62
Thermostatic Switch
88625-48060
Other Names: Thermistor, Thermistor, Cooler More
Description: RX330 More
Notes: Included With Evaporator Assembly. More
Fits:
  • Lexus:
    • RX330
$23.03
$17.99
$23.03
$17.99
Thermostat Housing
15660-38010
Other Names: Housing Assembly, Oil Th More
Description: 5.0 LITER More
Fits:
  • Lexus:
    • GS F,
    • RC F
$221.24
$162.27
$221.24
$162.27
Thermostat Housing
16032-50110
Other Names: Housing, Housing Sub-Assembly, Wa More
Replaces: 16032-0F010, 16032-50070
Description: LX470; HOUSING More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$123.26
$91.88
$123.26
$91.88
Thermostat Housing
16321-0A040
Other Names: Inlet Pipe, Inlet, Water More
Description: 2004-06 More
Fits:
  • Lexus:
    • RX330
$59.56
$46.55
$59.56
$46.55
Thermostat Housing
16321-20030
Other Names: Water Inlet, Water Outlet, Inlet Pipe, Inlet, Water More
Replaces: 16321-0A030
Description: RX400h. ES300. ES330. RX300. 2004-06, japan built, type 1. More
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$70.48
$55.08
$70.48
$55.08
Thermostat Housing
16323-0S030
Other Names: Housing, Water Inlet More
Replaces: 16323-38050
Description: GX460 More
Fits:
  • Lexus:
    • GX460
$72.75
$56.86
$72.75
$56.86
Thermostat Housing
16323-20020
Other Names: Housing, Water Inlet, Housing, Water Inlet More
Replaces: 16323-0A020, 16323-0A021
Description: RX400H More
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$148.52
$110.72
$148.52
$110.72
Thermostat Housing
16323-38030
Other Names: Water Inlet, Inlet Connector, Inlet Assembly, Water Outlet, Housing, Water Inlet More
Description: LS460 More
Notes: Includes Radiator Cap. More
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • IS F,
    • LC500,
    • LS460,
    • RC F
  • 1 more
$83.13
$64.97
$83.13
$64.97
Water Inlet
16031-0S010
Other Names: Thermostat Unit, Thermostat Housing, Thermostat, Inlet Sub-Assembly, Wate More
Replaces: 16031-38010
Description: GX460 More
Notes: Includes Thermostat And Gasket. Included With Inlet Assembly. More
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • GX460,
    • IS F,
    • LC500,
    • LS460,
    • LS600h,
    • LX570,
    • RC F
  • 4 more
$55.11
$43.07
$55.11
$43.07
Thermostat Housing
16321-66011
Other Names: Inlet, Water More
Replaces: 16321-66010
Description: LX450; HOUSING More
Fits:
  • Lexus:
    • LX450
$76.51
$59.80
$76.51
$59.80
Thermostat Housing
16323-31040
Other Names: Housing, Housing, Water Inlet More
Replaces: 16323-0W011
Description: RX450H More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$77.66
$60.70
$77.66
$60.70
Gasket, Thermostat
16346-66020
Fits:
  • Lexus:
    • LX450
$5.52
$4.32
$5.52
$4.32
Thermostat Housing
16032-36050
Other Names: Housing Sub-Assembly, Wa More
Description: ES300H More
Fits:
  • Lexus:
    • ES300h
$299.59
$219.73
$299.59
$219.73
Thermostat Cover
16321-50010
Other Names: Water Inlet, Inlet, Water More
Description: 1992-97 More
Fits:
  • Lexus:
    • LS400,
    • SC400
$40.98
$32.03
$40.98
$32.03
Thermostat Housing
16323-0P030
Other Names: Housing, Water Inlet More
Description: ES350; USA BUILT More
Fits:
  • Lexus:
    • ES350,
    • RX350
$82.92
$64.81
$82.92
$64.81
Thermostat Housing
16323-0S020
Other Names: Housing, Water Inlet More
Replaces: 16323-38010
Description: LX570; W/O TOW PACKAGE More
Fits:
  • Lexus:
    • LX570
$64.85
$50.69
$64.85
$50.69
Water Inlet
16321-0F010
Other Names: Thermostat Housing, Thermostat Cover, Inlet, Water More
Replaces: 16321-50020
Description: LX470; COVER More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$68.24
$53.34
$68.24
$53.34
Gasket
16346-36011
Positions: Right
Other Names: Water Inlet Gasket, Thermostat Gasket, Engine Coolant Thermostat Gasket, Gasket, Thermostat More
Replaces: 16346-36010
Description: IS300; 2.0L; RIGHT More
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
16031-31020
Other Names: Thermostat Housing, Thermostat Unit, Inlet Sub-Assembly, Wate More
Description: IS 250/350, W/THERMOSTAT More
Notes: Includes Thermostat And Gasket. Included With Inlet Assembly. More
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
  • 3 more
$71.71
$56.04
$71.71
$56.04
Water Inlet
16321-0H011
Other Names: Thermostat Housing, Inlet, Water More
Replaces: 16321-0H010, 16321-28020
Description: Hs hybrid. More
Fits:
  • Lexus:
    • HS250h
$30.43
$23.78
$30.43
$23.78
Water Inlet
16321-20010
Other Names: Thermostat Housing, Inlet, Water More
Replaces: 16321-0A020
Description: ES300 More
Fits:
  • Lexus:
    • ES300
$94.24
$70.26
$94.24
$70.26
Radiator Cap
16342-70010
Other Names: Thermostat, Valve, Water Control More
Description: LS500 More
Fits:
  • Lexus:
    • LS500
$896.23
$635.80
$896.23
$635.80
Housing Stud
92122-B0825
Other Names: Thermostat Housing Stud, Bolt, Stud More
Notes: Included With Thermostat Housing. More
Fits:
  • Lexus:
    • GX470,
    • SC430
$1.70
$1.33
$1.70
$1.33
Water Inlet
16031-31030
Other Names: Thermostat, Inlet Sub-Assembly, Wate More
Description: RX450H More
Notes: Includes Thermostat And Gasket. More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX350L,
    • RX450h
$125.65
$93.67
$125.65
$93.67
Water Inlet
16323-38040
Other Names: Thermostat Housing, Housing, Water Inlet More
Description: LS600H L More
Fits:
  • Lexus:
    • LS600h
$67.11
$52.47
$67.11
$52.47
Water Inlet
16323-0S010
Other Names: Thermostat Housing, Housing, Water Inlet More
Replaces: 16323-38020
Description: LX570. With tow package. More
Fits:
  • Lexus:
    • LX570
$65.97
$51.56
$65.97
$51.56
Water Inlet Seal
16326-37020
Other Names: Thermostat Gasket, Gasket, Water Inlet More
Description: CT200H More
Notes: Included With Water Inlet. More
Fits:
  • Lexus:
    • CT200h
$5.40
$4.23
$5.40
$4.23
Water Outlet Gasket
16325-36051
Positions: Left
Other Names: Thermostat Gasket, Water Inlet, Gasket, Engine Coolant Thermostat Gasket, Gasket, Water Inlet More
Description: IS300; 2.0L; LEFT More
Fits:
  • Lexus:
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • IS350,
    • NX200t,
    • NX300,
    • RC200t,
    • RC300
  • 4 more
$7.46
$5.82
$7.46
$5.82

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