ATS Diesel Performance® - Auxiliary Transmission Cooler Thermostat

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2014 Ford F-350
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  • Use with 3/8" Lines and Cooler # 3109003000.
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Ford F-350 Super Duty 6.7L 2014, Auxiliary Transmission Cooler Thermostat by ATS Diesel Performance®. When an automatic transmission’s temperature exceeds 200F, the transmission fluid is pushed to its limits. Overheated transmission fluid will break down causing seals to crack, moving parts to clash, and leaks to occur. ATS recommends installing the auxiliary cooler after the radiator to return the coolest fluid directly to the transmission. Installing the cooler before the radiator will still provide additional cooling and may be necessary in some difficult access applications.

Notes: Use with 3/8" Lines and Cooler # 3109003000.


  • Allows full coolant flow at lower tempurature
  • Keeps transmission running at optimal temperatures
  • Provides maximum cooling

For about twenty years, ATS Diesel Performance® has been a prominent manufacturer of diesel truck performance products known all over the world for innovation and solid workmanship. The company strives to meet the most demanding requirements of its customers whether they need efficiency and power for off-road, recreation, towing, or racing. With a headquarter in Arvada, Colorado, ATS Diesel invents, designs, and makes a large variety of products for Dodge, GM, Ford, Chrysler and Jeep vehicles.

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ATS Diesel Performance limited warranty statement – terms and conditions

Important general provisions

This warranty does not cover broken transmission shafts. If ATS Diesel Performance (“ATS”) determines, through reasonable evidence and inspection, you have broken a transmission shaft, hub, or gear set, then the company reserves the right to refuse coverage under these express terms.

ATS warrants to the original purchaser only, that any items purchased shall be covered for defects in material and/or workmanship.

ATS reserves the exclusive right to determine the course of action regarding repair and/or replacement of any and all warrantable products.

All decisions made by ATS are final.

Repaired or replaced product will be returned to the consume. Accepted warranty units, which have been replaced, become the sole property of ATS.

In the event of a warranty repair or replacement, product warranty period continues from the original date and vehicle mileage of the original purchase of the product, except in the event that the product has been transferred ownership.

ATS is not responsible or liable under this warranty if the consumer does not return a required core within the allotted time.

ATS may amend this warranty from time to time, at its discretion, to keep up with changing business conditions and technology.

In the event of a failure

ATS products generally carry a five-year/five hundred thousand mile (5 yr/500,000 mile) warranty. There are several exceptions, so refer to the warranty’s specific terms and conditions. After the one-year anniversary date of the original purchase, there is a limited parts replacement warranty only.

In the event of a product failure, the consumer must return the defective product to ATS for inspection before a replacement is sent to the consumer. Based on the findings of the inspection report, ATS will determine whether there is a valid warranty claim.

During inspection, ATS will assess the product for warrantable damage. If the original product has indeed failed under the terms of the original warranty, ATS will refund the full purchase price for the replacement product only.

If the product has failed under the terms of the original warranty contract, ATS will repair or replace the product at ATS’s discretion.

The consumer expressly agrees and acknowledges that ATS is not responsible for any consequential damage that may or may not have been related to its product failure.

International ATS warranty coverage for ATS

This section incorporates section 2, entitled “In the event of a failure.”
This clause applies to all parts/products manufactured or assembled by ATS Diesel Performance outside of North America(USA, Canada, Mexico). The parts included in this warranty include, but not limited to the following:

  • ATS built transmissions, torque converters, clutch and rebuild kits
  • ATS Aurora line of turbochargers and kits
  • Exhaust manifolds and kits
  • Twin fueler CP3/CP4 kits

This warranty clause covers parts only. Please see the terms of this warranty under each product for coverage.

The following is not covered under warranty

ATS limited labor warranty does not apply to extreme horsepower or race applications, and does not apply to any engine modifications as built by ATS, its agents, or any third parties.
ATS reserves the exclusive right to determine whether its products have been used for extreme horsepower and race applications, and reserves the exclusive right to void this warranty if its investigation reveals the same.
Aside from provisions set forth in this statement or other ATS warranty related documents, ATS disclaims any implied warranties of merchantability and fitness for a particular purpose. ATS disclaims any liability for incidental or consequential damages.

This warranty is in lieu of all other warranties or guaranties, either express or implied, and shall not extend to any consumer or to any person other than the original purchaser residing within the boundaries of the continental U.S. or Canada.


In the unlikely event the consumer is dissatisfied with one of the products provided by ATS, the only remedy available under the terms of this agreement is to have repair or replacement services provided under the warranty.

Magnuson-Moss Warranty Act:
Legally, a vehicle manufacturer cannot void the warranty on a vehicle due to an aftermarket part unless they can prove that the aftermarket part caused or contributed to the failure in the vehicle (per the Magnuson Moss Warranty Act (15 U.S.C. 2302(C)) Learn More

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