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Our Policies
All orders are shipped FREE VIA UPS Ground. All orders placed before 5:00 pm PST Monday-Friday will be shipped the SAME business day. Please call or email us for expedited shipping options. International shipping is available, please contact us for options and pricing. All orders will require a signature upon delivery.​
Twelve months, Unlimited Mileage Warranty
We offer a sensible and customer-friendly warranty to back up our quality promise. This warranty covers all our products for twelve (12) months, with unlimited mileage. We HIGHLY recommend that all components are installed by a certified technician.
Limited Warranty Policy
Warranties are granted to the original purchaser of the unit and are neither transferable nor redeemable. Proof of purchase and identification may be required prior to the approval of a warranty. DTIS ONLINE products are warranted to be free of defects in materials or workmanship in accordance to the following…
Customers must send used cores to DTIS ONLINE within 45 days of the time of purchase in order to receive a full refund for the core charge. Once we have received the old core, a credit will be returned to you. All cores must be taken out of the engine. DTIS ONLINE reserves the right to inspect all cores for damage prior to credit being issued and reserves the right to reject all damaged cores.
All returns are at the discretion of DTIS ONLINE. No returns are accepted without the prior approval of DTIS ONLINE.Â
![](https://dtisdiesel.com/wp-content/uploads/2019/11/ship.png)
Free Delivery
All orders are shipped FREE VIA UPS Ground.
![](https://dtisdiesel.com/wp-content/uploads/2019/11/core.png)
Core/Return
Once we have received the old core, within 45 days of purchase, we will refund for the core charge.
![](https://dtisdiesel.com/wp-content/uploads/2019/11/warranty.png)
Warranty
This warranty covers all our products for twelve (12) months, with unlimited mileage.