FREE SHIPPING ON ORDERS OVER $99

The Diesel Outlet

We have changed our company name to Rainier Diesel Performance and have a new website.  This website will eventually get shut down.  Please check out our new website https://rainierdiesel.com/

We have changed our company name to Rainier Diesel Performance and have a new website.  This website will eventually get shut down.  Please check out our new website https://rainierdiesel.com/

Shipping & Returns

Shipping Policy

RDP only ships to the fifty U.S states; we ship all of our products within 24 hours after placing an order. Orders placed on the weekends and holidays will be processed the next business day. We use all major shipping companies i.e FedEx, UPS, and USPS.

free shipping over $99.00

RDP’s Free Economy Ground Shipping is available on online purchases totaling $99.00 or greater.  This free shipping offer is only applies to U.S addresses within the 48 contiguous states, which excludes Hawaii, Alaska, Puerto Rico and the U.S Virgin Islands.  Free shipping is Ground.  Free Shipping does not apply to truck freight items, oversize items, ATS Transmissions and BD-Power Transmissions.  The Diesel Outlet reserves the right to select the carrier of our choice for the free shipping promotion.

Return Policy

Core Returns

Core returns will be accepted within 45 days from the delivery date.  Failure to do so can result in forfeiture of the entire core charge return.  To return your product core for full credit, please fill out our RMA return form to receive an RMA number (Located Here).  Please wait for RMA instructions before shipping any cores as most cores are sent directly to the manufacturer.

Please drain all fluids, if any, from the core.  The returned core must be a like-for-like make, model, type and part number.  Cores will not be accepted from a junk-yard.  Cores that have been disassembled or have missing and/or damaged major components will not receive a full core credit.