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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-007 Engine Coolant Thermostat. This replacement thermostat is built to support the cooling system's role in regulating engine temperature, helping your vehicle maintain proper operation as it warms up and runs.
Whether you're replacing a worn or failing thermostat or performing routine cooling system maintenance, the THT-007 is a straightforward choice for restoring your engine's coolant regulation function. AISIN offers this part as a dependable option for drivers and technicians looking to keep their cooling systems in good working order.
Notes
Engine Coolant Thermostat Assembly
Features
- Designed as a direct replacement for a worn or malfunctioning engine coolant thermostat
- Supports proper coolant flow regulation to help maintain engine operating temperature
- Straightforward installation makes it a practical choice for routine cooling system service
- Part of AISIN's Belts and Cooling lineup for thermostat and housing replacement needs
- Helps technicians and DIYers restore reliable engine temperature control during repairs
Application Summary
1981-1987 Toyota Land Cruiser 4.2L 4227CC -CID L6 OHV 12 Valve Naturally Aspirated GAS1988-1992 Toyota Land Cruiser 4.0L 3956CC -CID L6 OHV 12 Valve Naturally Aspirated GAS
Specifications
- Brand: AISIN
- Part Number: THT-007
- Part Type: Engine Coolant Thermostat
- UPC: 4580281458722
- GTIN: 04580281458722
- Item Dimensions: 2.9500 x 2.9500 x 2.7600 IN
- Package Dimensions: 2.9500 x 2.9500 x 2.7600 IN
- Package Weight: 0.4000 PG
- Package Quantity: 1 EA
- Material: Stainless Steel
- Material: Brass
- Sealing Flange Outside Diameter: 73.0
- Design: Standard
- Gasket Or Seal Included: No
- Start to Open Temperature: 190.4
- Start to Open Temperature: 88.0
- Includes Jiggle Pin Check Valve: No
Interchange
- Stant: 34549
- Motorad: 245-192
- Tama: WS73-88A
- Beck/Arnley: 043-0678
- Gates: 33049
- Toyota: 90916-03052
- Toyota: 90916-03071
- NAPA: THT007
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.









