Core Criteria

The core standards below apply to any core product being sent in for full credit.

If you have a question regarding your cores, please make sure that you contact a Diesel Core staff member before sending your cores in to verify the pricing on your product.

All damaged units sent without prior approval may be reduced in price or rejected upon inspection. Should you have damaged units, please call us at (713) 849-5302 or email us at Some units still have partial value if damaged.

Fuel Injection Pumps / High Pressure Oil Pumps: