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OE Quality
60-Day Returns
MotoradPart #: 1040-180
Motorad 1040-180 Engine Coolant Thermostat Housing Assembly
17 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$165.67Free Shipping
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*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship
Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Integrated Housing Thermostat
Fitment: Lexus and Toyota, Highlander, RX450h, RX450hL, and TX550h+
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? See all Engine Coolant Thermostat Housing Assembly options
Motorad 1040-180 Engine Coolant Thermostat Housing Assembly
| Brand | Motorad |
|---|---|
| Part Number | 1040-180 |
| Position | Integrated Housing Thermostat |
| Flange Thickness | 0.4 |
| Bleeder Hole | No |
| Bolt Hole Quantity | 3 |
| Bolts Included | No |
| Color | Black |
| Gasket or Seal included | Yes |
| Gasket/Seal Material | Rubber |
| Gasket/Seal Material | Rubber |
| Hardware included | No |
| Installation Tool Included | No |
| Jiggle Pin Included | No |
| Material | Plastic |
| Mounting Hardware Included | No |
| Number Of Bolt Holes | 3 |
| Number Of Outlet Ports | 3 |
| Number Of Seals | 1 |
| Opening Temperature | 188 |
| Outlet Diameter | 1.52 in, 0.66 in, 0.39 in |
| Start to Open Temperature | 188 deg. f |
| Temperature | 188 deg. f |
| Temperature (Degree) | 188 |
This part fits 17 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2025 | Lexus | TX550h+ | 3.5L | V6 | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat | |
| 2024 | Lexus | TX550h+ | 3.5L | V6 | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat | |
| 2022 | Lexus | RX450h | 3.5L | V6 | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat | |
| 2022 | Lexus | RX450hL | 3.5L | V6 | N/A | Includes thermostat, housing, and seal; Integrated Housing Thermostat | |
| 2021 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2021 | Lexus | RX450hL | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2020 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2020 | Lexus | RX450hL | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2019 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2019 | Lexus | RX450hL | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2019 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat |
| 2018 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2018 | Lexus | RX450hL | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2018 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat |
| 2017 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat | |
| 2017 | Toyota | Highlander | 3.5L | V6 | ELECTRIC/GAS | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat |
| 2016 | Lexus | RX450h | 3.5L | V6 | N/A | 180F temperature thermostat housing assembly with seal and OE specifications.; Integrated Housing Thermostat |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
1040-1801040816031310405054851040902-521291040180HT180-0401P10408
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.