Ford 7.3L Fuel Injector Code AD | DE504

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MSRP: $199.95
Now: $149.95
— You save $50.00


Ford 7.3L Fuel Injector Code AD (Silver) DE504

Note: HEUI Injector Code AD, 134-140cc Split Shot. Engines Built After 12-07-1998.

Engine carries 7 Code AD injectors and 1 Code AE injector in #8 cylinder.

  • Remanufactured to OE Specification
  • All Components Recertified and Multi-Point Tested
  • Direct Fit, Ready to Install
  • Proudly Manufactured in the USA
  • Free Shipping + Free Core Return

Ford F Series 7.3L 1999-2003 
Ford E Series 7.3L 1999-2003 
Navistar T444E 7.3L 1999-2003 ESN 843,990 to 5,999,999

OE Reference:

5C3Z-9V527-ARM, F81Z-9E527-CRM 
1823751C91, 1831487C92, 1821488C1, 1831489C12, 1831550C14, 1831551C13

Other cross-reference:

Allied Power - AP63803AD 
GB Reman - 722-504 
SMP - FJ1263

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Warranty Information

This product has a 13 Month Unlimited Mileage Warranty,

ForDiesels does not Manufacture any product sold on our site, warranty is applied through the manufacturer/remanufacturer of the individual product.

All returns must have an RMA (Return Merchandise Authorization) number attached on all return packaging for proper and timely processing. RMA #s can be obtained through ForDiesels’ Customer Care Center by emailing or calling.

New Returns are accepted within 30 days of purchase, new returns are subject to a 15% restocking fee. Shipping of New Returns back to ForDiesels is the responsibility of the customer.

Core Returns are accepted within 180 days of purchase, value of cores returned after 180 days will be determined by the Remanufacturer. Cores must be in rebuildable condition. Disassembled, burnt, or broken cores are not excepted and will receive no core credit. Note: ForDiesels offers a prepaid core return label on products with core charges, prepaid labels already have an RMA # associated for the return.

Warranty returns are accepted within the Manufacturer’s warranty period. To get your vehicle on the road quickly, ForDiesels offers a replacement before return policy. We will ship a product replacement to cover the warranty product without charge for 15 days. This is a “within reason” policy meaning we will not ship a full set of injectors, if you feel you have multiple failures with a set of injectors we would need to have the injectors tested to determine which injectors have failure and why.

ForDiesels only offers products from highly reputable Manufactures/Remanufacturers, their warranty covers material or workmanship failures only. Installation error, fuel and/or oil contamination, foreign object damage is not covered under the manufactures warranty. ForDiesels will offer product replacement, within reason, NO credit will be issued if a product is determined by the manufacture to be in good working order or has failed due to reasons not covered by their warranty.

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9 Reviews

  • 5
    Best product, best price

    Posted by Jonathan on 21st Feb 2018

    I ordered these injector about 2 weeks ago and I could ask for better customer service. There was a problem with my shipping address and once it was resolve they overnighted me my injectors free of charge. Very easy to install and my truck runs like new again.

  • 5
    Best Buy

    Posted by Mark on 14th Dec 2017

    Same day shipping and convenient return shipping. I really appreciate the no charge for core if returned within specified time

  • 4
    7.3 Injectors

    Posted by Unknown on 15th Nov 2017

    Product arrived fast. Great Value.
    Easy return
    Will buy again, Thanks

  • 4
    fuel injector for 7.3 f350 diesel

    Posted by Brian K. on 16th May 2017

    It took a little bit longer than I would have thought UPS ground would take to get here, but shipping was free. The injector works.

  • 5
    Nice injectors

    Posted by Unknown on 29th Mar 2016

    So excited by the price and the shipping was quick. Would buy again.

  • 4

    Posted by Unknown on 15th Feb 2016

    Did not use it was not it come to find out it was a bad wire but the injector looked good shape Sint it back. But wood by it a genn if needed. Put for stars shipping was good

  • 5

    Posted by Unknown on 16th Jan 2016

    installed parts, running fine now

  • 5
    Great injectors

    Posted by Unknown on 15th Dec 2015

    Quick delivery good injectors great value!!

  • 5

    Posted by Spider, MSDF on 22nd Mar 2014

    Very nicely refurbished and the packaging was first rate. Never had a diesel or put injectors in so that was a treat. Lots of cussing and a few busted knuckles and she fired right up and made a big difference.

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