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Core Policy

Core Policy

What is a Core?
Many stock replacement parts such as turbos, injectors, injection pumps, and high pressure oil pumps have a core charge that is associated with the new replacement part. You must return the old part to receive a refund on the core charge. All cores must be like for like and include all parts and pieces that were received on your new replacement product.

Core Return Label
The core return label is a new option offered by Thoroughbred Diesel to customers that buy products that have a core charge. For a small fee Thoroughbred Diesel will send you a core return tag either to your email or right to your mail box. This will save you money on the return shipping and will make sure your cores get returned correctly. The label will be insured to protect your core. This will make it a complete hassle free process. Only available for the 48 contiguous states. If you have any questions on it contact [email protected].

No upfront Core Charge
Thoroughbred Diesel has implemented a policy on many products that eliminates the upfront core charge at time of purchase reducing out of pocket expense to the consumer on some products. On parts that are not charged core you will have 14 business days from the time of receipt of the shipping label to get the core back to Thoroughbred. You will be sent a pre-paid shipping label separate through the USPS Mail. If you have any problems contact [email protected].

PayPal & All Other Non-Credit Card Orders
All non-credit card orders, such as PayPal, and eBay will require that we have a credit card on file on orders with no core value. The on file credit card will not be charged unless the core is not returned in the specified time frame. A Thoroughbred Diesel Sales Agent will contact you to obtain a credit card for your order.

Core Physical Condition
All cores must be in re-buildable condition to receive a full refund of the core charge. There are some conditions that you will not receive full credit. On these conditions it is up to the manufacture on the amount of credit issued.

  • Burnt
  • Water Damage
  • Broken
  • Disassembled
  • Missing parts and/or pieces

Core Charge Timeline

  • If the core is returned after 30 days, 90% of the core will be refunded.
  • If the core is returned after 60 days, 70% of the core will be refunded.
  • If the core is returned after 90 days, 50% of the core will be refunded.

Core Return Procedure

  1. Please keep all original packaging of your new item to be used for the core return.
  2. Drain all fluids: oil, fuel, etc. out of the core before it is returned.
  3. Place any plastic plugs or caps received on the new item back onto the core.
  4. To insure UPS, Fed Ex, or USPS will not reject the package due to fuel or oil leakage, please put inside and wrap in plastic garbage bag.
  5. Place core inside the box.
  6. If there was core return paperwork inside the box, please complete the form and send back with the core.
  7. Thoroughbred Diesel provides a pre-paid shipping label for any product that does not require an upfront core charge. This is usually sent to the billing address provided within 2-4 business days via US Postal Service.
    1. If you are charged for the core upfront you are responsible for the shipping charges on the core. You can use any shipping provider you prefer. We recommend using someone with tracking numbers.

*If you are charged for the core upfront you are responsible for the return shipping cost.

*If for any reason, you decide to return the part, DO NOT use the return label provided because it will be processed as a core.

*Customers outside the continental US (lower 48 states) will be responsible for shipping the core back. UPS return service labels can only be sent to customers in the lower 48 US states.

*If you are responsible for shipping the core back to Thoroughbred Diesel, please provide a tracking number to [email protected]. Without a confirmed tracking number, we cannot guarantee your core refund.