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- Description
- Fitment
- Warranty and Refund
- Reviews
Keep your engine's cooling system running the way it should with the AISIN THK-007 Engine Coolant Thermostat. This component plays a key role in regulating coolant flow, helping your engine reach and maintain the proper operating temperature needed for smooth, reliable performance.
Whether you're replacing a worn or failing thermostat, the AISIN THK-007 is designed to support routine cooling system maintenance and repair. Choosing a dedicated thermostat like this one helps ensure your engine's temperature regulation is addressed with a part built specifically for that job.
Notes
Engine Coolant Thermostat Assembly
Features
- Helps regulate coolant flow to support consistent engine operating temperature
- Designed as a direct replacement for a worn or malfunctioning thermostat
- Supports routine cooling system maintenance to help avoid overheating issues
- Straightforward installation makes it a practical choice for DIY repairs
- Backed by the AISIN name, a trusted source for engine cooling components
Application Summary
1996-1997 Hyundai Accent 1.5L 1495CC -CID L4 SOHC 12 Valve Naturally Aspirated GAS1996-1997 Hyundai Elantra 1.8L 1795CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1997 Hyundai Tiburon 1.8L 1795CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1998 Hyundai Elantra 1.8L 1796CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1998-2001 Hyundai Tiburon 2.0L 1997CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
1999-2011 Hyundai Elantra 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2001-2005 Hyundai Accent 1.6L 1600CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2003-2004, 2006-2007 Hyundai Tiburon 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2004 Kia Spectra 1.8L 1793CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005, 2008 Hyundai Tiburon 2.7L 2656CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2005-2006, 2008-2009 Kia Sportage 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005-2007, 2012-2013 Hyundai Tucson 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005-2009 Kia Spectra 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2005-2009 Kia Spectra5 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2006-2008 Kia Rio 1.6L 1599CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2006-2008 Kia Rio5 1.6L 1599CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2006-2009 Hyundai Accent 1.6L 1599CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2007, 2010 Kia Sportage 2.7L 2656CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2008-2009 Hyundai Tucson 2.7L 2656CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2009-2010 Kia Magentis 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2010, 2014-2015 Kia Optima 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2012 Kia Rondo 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2009-2014 Hyundai Sonata 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010 Kia Soul 1.6L 1591CC 97CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010, 2012 Hyundai Santa Fe 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010-2011, 2014 Hyundai Tucson 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010-2013 Kia Forte 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2010-2013 Kia Forte Koup 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2011 Hyundai Santa Fe 3.5L 3470CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2011 Kia Soul 2.0L 1975CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2011-2013 Kia Optima 2.0L 1998CC 122CID L4 DOHC 16 Valve Turbocharged GAS
2011-2013 Kia Sorento 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2011-2016 Kia Sportage 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2012 Hyundai Elantra 1.8L 1797CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2012-2013 Kia Forte5 2.0L 1998CC 122CID L4 DOHC 16 Valve Naturally Aspirated GAS
2013-2016 Hyundai Santa Fe Sport 2.4L 2359CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
2014-2015 Kia Sorento 3.3L 3342CC -CID V6 DOHC 24 Valve Naturally Aspirated GAS
2015 Hyundai Tucson 2.0L 1999CC -CID L4 DOHC 16 Valve Naturally Aspirated GAS
Specifications
- Brand: AISIN
- Part Number: THK-007
- Part Type: Engine Coolant Thermostat
- UPC: 4580281458197
- GTIN: 04580281458197
- Item Dimensions: 2.2000 x 2.2000 x 2.0000 IN
- Package Dimensions: 2.2000 x 2.2000 x 2.0000 IN
- Package Weight: 0.2000 PG
- Package Quantity: 1 EA
- Material: Stainless Steel
- Material: Brass
- Sealing Flange Outside Diameter: 54.0
- Design: Standard
- Gasket Or Seal Included: No
- Start to Open Temperature: 179.6
- Start to Open Temperature: 82.0
- Bypass Flange Diameter: 28.0
Interchange
- Stant: 48588
- Stant: 13978
- Tama: A2406-82
- Kia: 25500-23010
- Kia: 25500-23001
- Kia: 25510-42010
- Beck/Arnley: 143-0892
- Hyundai: 25500-23010
- Hyundai: 2550023001
- Hyundai: 25500-23001
- Hyundai: 25510-42010
- Auto 7: 310-0025
- Auto 7: 310-0074
- Gates: 33338
- NAPA: THK007
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.









