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- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your engine's cooling system running the way it should with the AISIN THT-024 Engine Coolant Thermostat Housing Assembly. Designed as a direct replacement component, it's built to help restore proper thermostat housing function when your original part has worn out or failed.
Whether you're tackling a scheduled maintenance job or addressing a cooling system issue, this housing assembly gives you a straightforward way to get the job done right. AISIN is a trusted name in automotive parts, and this THT-024 assembly is offered as a reliable option for shops and DIYers replacing a worn thermostat housing.
Notes
Engine Coolant Thermostat & Housing Assembly
Features
- Engineered as a replacement thermostat housing assembly for cooling system repairs
- Helps restore proper coolant flow when your original housing has failed
- Straightforward installation supports efficient maintenance and repair work
- A practical option for replacing a worn or damaged thermostat housing
- Backed by the AISIN name, a recognized supplier of automotive components
Application Summary
2016-2022 Lexus RX350 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS2017-2020 Toyota Sienna 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2018, 2023-2024 Toyota Camry 2.5L 2487CC 152CID L4 DOHC 16 Valve Naturally Aspirated GAS
2018-2022 Lexus RX350L 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2019-2020 Toyota Camry 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2019-2022 Toyota Avalon 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2019-2025 Lexus ES350 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2020-2021 Toyota Highlander 3.5L 3456CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2021-2022 Toyota Camry 2.5L 2487CC 152CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
2022 Toyota Highlander 2.5L 2487CC 152CID L4 DOHC 16 Valve Naturally Aspirated FULL HYBRID EV-GAS (FHEV)
Specifications
- Brand: AISIN
- Part Number: THT-024
- Part Type: Engine Coolant Thermostat Housing Assembly
- UPC: 4580281471097
- GTIN: 04580281471097
- Item Dimensions: 11.0000 x 5.0000 x 5.0000 IN
- Package Dimensions: 11.0000 x 5.0000 x 5.0000 IN
- Package Weight: 0.8600 PG
- Package Quantity: 1 EA
Interchange
- Dorman: 902-5216
- Motorad: 1049-188
- Beck/Arnley: 143-0975
- Toyota: 16031-31031
- Toyota: 16031-31030
- NAPA: THT024
Warranty
- Warranty Duration: 12 Months
- Warranty Mileage: 12000 Miles
Returns
30-Day Money-Back Guarantee
We want you to be completely satisfied with your purchase! If you are not happy for any reason, you may return the item within 30 days for a refund, minus shipping fees, provided that: The part is brand new, uninstalled, and undamaged in any way.
To initiate a return, please contact us or email support@mizumoauto.com for a Return Authorization Number (RMA) and the return shipping address. Returns without an RMA number will be refused and returned to you at your expense.
Return Requirements:
- Items must be securely packed in the original manufacturer's packaging.
- All original materials must be included, such as hardware, manuals, protective caps, wrapping, and instructions.
- You must obtain and retain the tracking number for your return.
Non-Returnable Items:
- Piston rings, main bearings, and rod bearings are non-returnable if the manufacturer’s seal or shrink-wrapped plastic has been opened. No exceptions—this ensures the integrity of the parts you receive.
We are not responsible for lost or damaged returns. If your return is lost or damaged during shipping, a refund cannot be issued, as the item cannot be resold or returned to the supplier. Please file a claim directly with your shipping carrier for reimbursement.
Refunds are processed within 1-2 business days after we receive and inspect the returned item. Please allow this processing time before inquiring about your refund status.
Warranty
Mizumo Auto provides a 90-day Limited Warranty against defects in workmanship and materials under normal service conditions, effective from the original delivery date.
This warranty is non-transferable and applies only to the original purchaser. Coverage is limited to the replacement or refund of defective products.
Exclusions:
The warranty does not cover labor costs, damage resulting from accidents, misuse, alterations, or unauthorized modifications, as well as additional expenses such as towing, fluids, oils, car rentals, and any other parts not included in the original purchase.
Warranty Claims Process:
- All warranty claims must be pre-authorized and returned prepaid to Mizumo Auto for inspection and approval.
- No exchanges will be made for products that have been damaged, misused, or improperly installed. We strongly recommend professional installation.
- The buyer assumes all risk of damage resulting from improper installation.
All disputes related to transactions shall be resolved by a court of competent jurisdiction in Los Angeles County, California.
Shipping
We offer Free UPS Ground or USPS Ground Advantage shipping within the continental U.S. (48 states).
Shipping to Other Locations:
A delivery surcharge applies to shipments to: Alaska, Hawaii, Puerto Rico, U.S. territories, APO/FPO addresses, Canada, and international destinations.
Order Processing & Tracking:
- Orders are shipped Monday through Friday, excluding holidays.
- Orders placed before 3:00 PM PST will ship the same day, unless unexpected delays occur.
- A tracking number will be emailed within one business day after shipping.
If you do not receive a tracking number, please:
- Check your spam/junk folder.
- If it's not there, contact us via phone or eBay message for assistance.
International Orders:
Import duties, taxes, and brokerage fees are not included in the shipping fee. Please check with your shipping carrier and local customs office regarding any applicable fees before placing your order.









