OEM Delphi Fuel Injector for 01-06 Cadillac Chevy GMC 4.8 5.3 6.0 V8 25323974 / 25320287 / 25317628

All orders are shipped within 1-2 business days from when payment is received.

Transit time varies based on service type requested:

First Class Mail: 3-7 business days
Priority Mail: 2-3 business days
Express Mail: 1-2 business days
Free Shipping options are generally First Class Mail.

For international shipments, make sure your address information is accurate. CS Performance assumes no liability once package leaves the United States. Please be sure your country is accepting packages from the US and you are aware of any duties or taxes your country may require upon package arrival.

Core Returns are completely optional and not required. When you order a set of fuel injectors from us, eligible part numbers will have a paper slip inside the shipping box. This paper slip will have all of the additional information regarding the return of your old cores for a varying price (depending on the part number you are looking to send in).

If your old cores are not eligible to be returned, you will not receive this paper slip within the shipping box, and no further action is required.

Thank you for your time and business, we appreciate it greatly!

This item is covered by CS Performance Lifetime Warranty. CS Performance remanufactured products are warranted to the original owner only against manufacturing defects in materials and workmanship for the lifetime of the product. If a product covered by this warranty fails due to a manufacturing defect, we will repair or replace the units affected. Only original unaltered and unmodified product and workmanship are covered by this policy. This warranty does not cover damage caused by accident, improper care, negligence, or unsanitary installation conditions. Damage not covered by this warranty may still be repaired for a reasonable rate. All shipping costs and expense incurred will be the sole responsibility of the buyer. CS Performance LLC Holds no liability for any damages caused by improper or careless use of this product. CS Performance cannot be held liable for return packages lost in transit. All warranty claims must be returned to CS Performance for warranty work. No refunds or credits will be given for warrantied product under any circumstances. All items returned under warranty MUST include original sales receipt, no exceptions. CS Performance reserves the right to make changes, modifications, or improvements to returned warrantied product. Only warrantied product is covered, no other vehicle components, installation fees, or other fees incurred will be covered for any reason. By purchasing this item, you agree to the aforementioned terms.