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 Unit
16031-25010
Other Names: Inlet Sub-Assembly, Wate More
Description: 2.5L. More
Fits:
  • Lexus:
    • ES300h
$51.60
$40.33
$51.60
$40.33
Thermostat Housing
16323-31040
Other Names: Housing, Housing, Water Inlet More
Replaces: 16323-0W011
Description: RX450h. ES350. RX350. 2007-09. Japan built. More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$77.66
$60.70
$77.66
$60.70
Thermostat Housing
16032-50110
Other Names: Housing, Housing Sub-Assembly, Wa More
Replaces: 16032-0F010, 16032-50070
Description: LX470. SC430. GX470. LS430. GS430. LS400. SC400. 4.0L. 4.3L. Housing. More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$123.26
$91.88
$123.26
$91.88
Thermostat Housing
16323-20020
Other Names: Housing, Water Inlet, Housing, Water Inlet More
Replaces: 16323-0A020, 16323-0A021
Description: RX400h. RX300. 2004-06. More
Fits:
  • Lexus:
    • ES300,
    • ES330,
    • RX300,
    • RX330,
    • RX400h
$148.52
$110.72
$148.52
$110.72
Thermostat Housing
16321-46040
Other Names: Thermostat Cover, Inlet, Water More
Replaces: 16321-46030
Description: SC300, GS300. IS300. 3.0L. More
Fits:
  • Lexus:
    • GS300,
    • IS300,
    • SC300
$41.09
$32.11
$41.09
$32.11
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 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
15660-38010
Other Names: Housing Assembly, Oil Th More
Description: 5.0L. More
Fits:
  • Lexus:
    • GS F,
    • RC F
$221.24
$162.27
$221.24
$162.27
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 Gasket
16325-0T030
Other Names: Thermostat Seal, Gasket, Water Inlet More
Replaces: 16325-28010
Description: NX300h. 2.5L. Hs hybrid. More
Fits:
  • Lexus:
    • HS250h,
    • NX300h
$6.64
$5.19
$6.64
$5.19
Thermostat Housing
16323-0S020
Other Names: Housing, Water Inlet More
Replaces: 16323-38010
Description: LX570. Without tow package. More
Fits:
  • Lexus:
    • LX570
$64.85
$50.69
$64.85
$50.69
Thermostat Housing
16323-0P030
Other Names: Housing, Water Inlet More
Description: ES350. RX350. Usa built. Canada built. More
Fits:
  • Lexus:
    • ES350,
    • RX350
$82.92
$64.81
$82.92
$64.81
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. Japan 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
16321-0A040
Other Names: Inlet Pipe, Inlet, Water More
Description: 2004-06, japan built, type 2. 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
16321-62010
Other Names: Water Inlet, Inlet, Water More
Description: ES300. ES250. 1992-93. More
Fits:
  • Lexus:
    • ES250,
    • ES300
$55.80
$43.62
$55.80
$43.62
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
16323-38030
Other Names: Water Inlet, Inlet Connector, Inlet Assembly, Water Outlet, Housing, Water Inlet More
Description: LS460, ls460l. GS460. LC500. IS F. GS F. Rc-f. 5.0L. 4.6L. 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
Thermostat Unit Seal
16326-47020
Other Names: Gasket, Water Inlet More
Description: 2.5L. More
Notes: Included With Thermostat Unit. More
Fits:
  • Lexus:
    • ES300h
$0.86
$0.68
$0.86
$0.68
Thermostat Unit Seal
16325-36010
Other Names: Thermostat Gasket, Gasket, Water Inlet More
Description: ES300h. 2.5L. More
Notes: Included With Thermostat Unit. More
Fits:
  • Lexus:
    • ES300h
$5.32
$4.16
$5.32
$4.16
Thermostat Housing Gasket
16325-0P020
Other Names: Gasket, Water Inlet More
Description: Canada built. More
Fits:
  • Lexus:
    • ES350,
    • RX350
$2.33
$1.82
$2.33
$1.82
Thermostat Housing Gasket
16346-50010
Other Names: Thermostat Gasket, Gasket, Water Inlet Gasket, Thermostat Seal, Gasket, Thermostat More
Description: LX470. GX470. GS430. 4.3L. 1998-00, from 1-98. More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$5.52
$4.32
$5.52
$4.32
Thermostat Housing Gasket
16346-32010
Other Names: Thermostat Gasket, Gasket, Thermostat More
Replaces: 16346-17010
Description: 4.3L. 4.0L. 1998-00, to 1/98. More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • LS400,
    • SC400
$4.17
$3.25
$4.17
$3.25
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: LS460, ls460l. LS600h L. GX460. LX570. GS460. LC500. IS F. GS F. Rc-f. 5.0L. 4.6L. 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 O-Ring
16325-38010
Other Names: Water Inlet Gasket, Gasket, Water Inlet More
Fits:
  • Lexus:
    • GX460,
    • LX570
$2.33
$1.82
$2.33
$1.82
Thermostat, Transmission
32971-34020
$159.84
$119.15
$159.84
$119.15
Thermostat, Transmission
32971-35010
$180.11
$132.10
$180.11
$132.10
Gasket, Thermostat
16346-67010
$5.23
$4.08
$5.23
$4.08
Gasket, Thermostat
16346-0K010
$5.52
$4.32
$5.52
$4.32
Gasket, Thermostat
16346-30010
$4.94
$3.86
$4.94
$3.86
Gasket, Thermostat G
16119-75020
$4.91
$3.84
$4.91
$3.84
Water Inlet
16031-0S010
Other Names: Thermostat Unit, Thermostat Housing, Thermostat, Inlet Sub-Assembly, Wate More
Replaces: 16031-38010
Description: IS F, with thermostat. LS460, ls460l. LS600h L. GX460. LX570. GS460. LC500. GS F. Rc-f. 4.6L. 2wd, with thermostat. 5.0L, with thermostat. 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
Gasket
16346-36011
Positions: Right
Other Names: Water Inlet Gasket, Thermostat Gasket, Gasket, Thermostat More
Replaces: 16346-36010
Description: RC200t, RC Turbo, RC300. GS200t, GS300. NX200t. IS200t. NX300. IS300. Right. 2.0L, #1. For t-stat: wax 82-95. More
Fits:
  • Lexus:
    • GS Turbo,
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • NX200t,
    • NX300,
    • RC F,
    • RC Turbo,
    • RC200t,
    • RC300,
    • RC350
  • 7 more
$6.10
$4.77
$6.10
$4.77
Water Inlet
16321-0F010
Other Names: Thermostat Housing, Thermostat Cover, Inlet, Water More
Replaces: 16321-50020
Description: LX470. GX470. GS400. GS430. 4.0L. 4.3L. Cover. 1998-00. More
Fits:
  • Lexus:
    • GS400,
    • GS430,
    • GX470,
    • LS400,
    • LS430,
    • LX470,
    • SC400,
    • SC430
  • 3 more
$68.24
$53.34
$68.24
$53.34
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
Radiator Cap
16342-70010
Other Names: Thermostat, Valve, Water Control More
Description: LS500. Water control valve. More
Fits:
  • Lexus:
    • LS500
$896.23
$635.80
$896.23
$635.80
Water Inlet
16321-20010
Other Names: Thermostat Housing, Inlet, Water More
Replaces: 16321-0A020
Description: ES300. 1994-96. More
Fits:
  • Lexus:
    • ES300
$94.24
$70.26
$94.24
$70.26
Water Inlet
16031-31020
Other Names: Thermostat Housing, Thermostat Unit, Inlet Sub-Assembly, Wate More
Description: IS250 C, IS350 C. GS450h. GS350. IS300. RC350. RC300. GS300. 3.0, 3.5L. To 10/17. Is 250/350, with thermostat. 3.5L, with 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
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 Inlet
16323-38040
Other Names: Thermostat Housing, Housing, Water Inlet More
Description: LS600h L. 5.0L. More
Fits:
  • Lexus:
    • LS600h
$67.11
$52.47
$67.11
$52.47
Water Inlet
16031-31030
Other Names: Thermostat, Inlet Sub-Assembly, Wate More
Description: RX450h. RX350. 3.5L. Without hybrid. More
Notes: Includes Thermostat And Gasket. More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX350L,
    • RX450h
$125.65
$93.67
$125.65
$93.67
Water Inlet
16031-36010
Other Names: Thermostat Unit, Inlet Sub-Assembly, Wate More
Description: ES300h. 2.5L. More
Notes: Includes Thermostat. More
Fits:
  • Lexus:
    • ES300h
$50.97
$39.83
$50.97
$39.83
Outlet Pipe
16304-66020
Other Names: Thermostat Housing, Outlet Sub-Assembly, Wat More
Description: LX450. Outlet. More
Fits:
  • Lexus:
    • LX450
$100.65
$75.03
$100.65
$75.03
Water Inlet
16321-31030
Other Names: Inlet Pipe, Thermostat Housing, Inlet, Water More
Replaces: 16321-31011
Description: RX450h. RX350. ES350. 3.5L. 2007-09. Japan built. Without tow hitch. Without towing package. More
Notes: Order By Description. More
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
$40.71
$31.82
$40.71
$31.82
Gasket
16326-31020
Other Names: Water Inlet Gasket, Thermostat Housing Gasket, Thermostat Unit Gasket, Gasket, Water Inlet More
Replaces: 16326-31010
Description: IS250 C, IS350 C. GS450h. GS350. RC350. IS300. RC300. GS300. 3.0, 3.5L. Is 250/350. 3.5L, with hybrid. More
Notes: Included With Water Inlet. Included With Thermostat Housing. More
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
  • 3 more
$1.29
$1.01
$1.29
$1.01
Water Inlet O-Ring
16326-31050
Other Names: Water Inlet Gasket, Thermostat Gasket, Gasket, Gasket, Water Inlet More
Description: RX450hL. RX350L. LC500h. LS500h. GS350. IS300. IS350. RC300. RC350. 3.5L, without hybrid. More
Notes: Included With Water Inlet. More
Fits:
  • Lexus:
    • GS350,
    • IS300,
    • IS350,
    • LC500h,
    • LS500h,
    • RC300,
    • RC350,
    • RX350,
    • RX350L,
    • RX450h,
    • RX450hL
  • 6 more
$0.69
$0.53
$0.69
$0.53
Water Outlet Gasket
16325-31010
Other Names: Thermostat Housing Gasket, Housing Gasket, Gasket, Water Inlet More
Description: 2007-09. 3.0, 3.5L. Is 250/350. Japan built. More
Fits:
  • Lexus:
    • ES350,
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350,
    • RX350,
    • RX450h
  • 6 more
$1.93
$1.51
$1.93
$1.51
Water Outlet Gasket
16325-36051
Positions: Left
Other Names: Thermostat Gasket, Water Inlet, Gasket, Gasket, Water Inlet More
Description: GS200t, GS300. NX200t. IS200t. NX300. IS300. Left. 2.0L, #2. Water inlet gasket. For t-stat: wax 78-91. More
Fits:
  • Lexus:
    • GS Turbo,
    • GS200t,
    • GS300,
    • IS200t,
    • IS300,
    • IS350,
    • NX200t,
    • NX300,
    • RC Turbo,
    • RC200t,
    • RC300
  • 6 more
$7.46
$5.82
$7.46
$5.82
Water Inlet Gasket
16325-38020
Other Names: Inlet Connector Gasket, Water Pump O-Ring, Inlet Assembly Gasket, Thermostat Housing Seal, Gasket, Water Inlet More
Description: IS F. 5.0L. 4.6L. More
Notes: Included With Water Pump. More
Fits:
  • Lexus:
    • GS F,
    • GS460,
    • IS F,
    • LC500,
    • LS460,
    • LS600h,
    • RC F
  • 2 more
$2.69
$2.11
$2.69
$2.11

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