Lexus RX450h Thermostat

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We stock Genuine OEM Lexus® Thermostat for your Lexus RX450h. OEM thermostats are designed and manufactured to fit and function perfectly with your specific make and model of vehicle. They are designed to regulate the flow of coolant through your engine, ensuring that your engine operates at the correct temperature range. A malfunctioning thermostat can cause overheating, poor fuel efficiency, and potential engine damage, so replacing it with an OEM part can ensure optimal performance and reliability. Additionally, using an OEM thermostat can help ensure that the part is covered under the manufacturer's warranty. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

Thermostat Gasket
Part Number: 16325-62010
Lexus Lexus
Other Names: Thermostat Housing Gasket, Engine Coolant Thermostat Gasket, Thermostat Seal, Gasket, Water Inlet Seal, Water Inlet Gasket, Gasket...
Replaces: 16325-0H020
Fits:
  • Lexus:
    • ES250,
    • ES300,
    • ES330,
    • ES350,
    • GS300,
    • IS300,
    • LS400,
    • RX300,
    • RX330,
    • RX350,
    • RX400h,
    • RX450h,
    • SC300,
    • SC400
MSRP $8.56
$6.44
MSRP $8.56
$6.44
Thermostat
Part Number: 90916-A3002
Lexus Lexus
Replaces: 90916-03133, 90916-03140, 90916-A3001
Description: RX350. RX450h. Japan built. 3.5L. ES350. 2007-09.
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
MSRP $30.58
$22.06
MSRP $30.58
$22.06
Thermostat Housing
Part Number: 16323-31040
Lexus Lexus
Other Names: Housing, Housing Water Inlet
Replaces: 16323-0W011
Description: RX450h. Japan built. RX350. 2007-09. ES350.
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
MSRP $94.33
$66.92
MSRP $94.33
$66.92
Thermostat Housing O-Ring
Part Number: 90301-67004
Lexus Lexus
Other Names: Bracket O-Ring, Engine Oil Cooler Gasket, Ring O
Description: 5.0L. Cooler to Bracket. 2007-09.
Notes: Included with thermostat housing. Part cannot be reused/reinstalled.
Fits:
  • Lexus:
    • GS F,
    • IS500,
    • LC500,
    • RC F,
    • RX350,
    • RX450h
MSRP $6.75
$5.08
MSRP $6.75
$5.08
Thermostat Housing O-Ring
Part Number: 96761-24021
Lexus Lexus
Options: Front
Other Names: Engine Coolant Pipe O-Ring, Water Pipe O-Ring, Ring O
Description: Canada built. Front. 2007-09.
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
MSRP $5.03
$3.78
MSRP $5.03
$3.78
Water Outlet Gasket
Part Number: 16325-31010
Lexus Lexus
Other Names: Thermostat Housing Gasket, Engine Coolant Thermostat Housing Gasket, Housing Gasket, Gasket Water Inlet
Description: Is 250/350. Without 5.0l. 3.0, 3.5L. To 10/2017. To 11/2017. Japan Built. 2007-09.
Notes: Included with water outlet.
Fits:
  • Lexus:
    • ES350,
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350,
    • RX350,
    • RX450h
MSRP $2.41
$1.81
MSRP $2.41
$1.81
Water Inlet
Part Number: 16321-31030
Lexus Lexus
Other Names: Inlet Pipe, Thermostat Housing, Inlet Water
Replaces: 16321-31011
Description: Without tow hitch. RX350. RX450h. Without towing package. Japan built. 3.5L. ES350. 2007-09.
Notes: Order by description.
Fits:
  • Lexus:
    • ES350,
    • RX350,
    • RX450h
MSRP $49.76
$35.90
MSRP $49.76
$35.90
Engine Coolant Water Inlet Gasket
Part Number: 16326-31050
Lexus Lexus
Other Names: Water Inlet O-Ring, Thermostat Gasket, Water Inlet Gasket, Gasket, Gasket Water Inlet
Replaces: 16326-31010, 16326-31020
Notes: Included with water inlet. Part cannot be reused/reinstalled.
Fits:
  • Lexus:
    • ES350,
    • GS350,
    • IS300,
    • IS350,
    • LC500h,
    • LS500h,
    • RC300,
    • RC350,
    • RX350,
    • RX350L,
    • RX450h,
    • RX450hL
MSRP $0.92
$0.69
MSRP $0.92
$0.69
Thermistor Probe
Part Number: 88620-0E050
Lexus Lexus
Other Names: Thermistor, Thermostatic Switch, HVAC Evaporator Temperature Switch, In-Car Sensor, A/C Evaporator Temperature Sensor, Refrigerant...
Replaces: 88620-28050
Notes: Included with AC & heater asssembly.
Fits:
  • Lexus:
    • ES250,
    • ES350,
    • NX200t,
    • NX300,
    • NX300h,
    • NX450h+,
    • RX350,
    • RX350L,
    • RX450h,
    • RX450hL,
    • UX200,
    • UX250h
MSRP $51.25
$36.36
MSRP $51.25
$36.36
Diagonal Brace Nut
Part Number: 90178-A0023
Lexus Lexus
Options: Left Outer, Right Outer, Front Outer, Rear Outer
Other Names: Engine Intake Manifold Nut, Hardware Kit, Height Sensor Nut, Sensor Nut, Antenna Assembly Nut, Window Regulator Nut, Fan Blade Nut,...
Replaces: 94151-80600
Notes: Included with cover and antenna.
Fits:
  • Lexus:
    • CT200h,
    • ES250,
    • ES300h,
    • ES350,
    • GS350,
    • IS250,
    • IS300,
    • IS350,
    • LC500,
    • LC500h,
    • LS500,
    • LS500h,
    • LS600h,
    • LX570,
    • LX600,
    • NX250,
    • NX350,
    • NX350h,
    • NX450h+,
    • RC300,
    • RC350,
    • RX350,
    • RX450h,
    • UX200,
    • UX250h
MSRP $1.41
$1.06
MSRP $1.41
$1.06

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