Lexus IS250 Thermostat

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We stock Genuine OEM Lexus® Thermostat for your Lexus IS250. 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.

Water Inlet
Part Number: 16031-31020
Lexus Lexus
Other Names: Thermostat Housing, Thermostat Unit, Engine Coolant Thermostat Kit, Inlet Sub Assembly Wate
Notes: Included with inlet assembly. Includes Thermostat And Gasket. Part has related component that cannot be reused/reinstalled. gasket.
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
MSRP $79.13
$56.14
MSRP $79.13
$56.14
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 Outlet
Part Number: 16304-31037
Lexus Lexus
Options: Lower
Other Names: Engine Coolant Thermostat Housing, Outlet Sub Assembly Wat
Replaces: 16304-31030, 16304-31031, 16304-31032, 16304-31033, 16304-31034, 16304-31035, 16304-31036
Notes: Includes Radiator Cap. Included with inlet assembly.
Fits:
  • Lexus:
    • GS300,
    • GS350,
    • GS450h,
    • IS250,
    • IS300,
    • IS350,
    • RC300,
    • RC350
MSRP $196.27
$138.06
MSRP $196.27
$138.06
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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