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Looking for a direct replacement for your old injectors? Check out our new Alliant Power AP63803 AD Injectors! These injectors are designed to fit 1999.5-2003 7.3 Powerstroke engines and meet all OEM specs and quality standards. With a set of eight injectors, you'll be able to get your engine running like new again. Don't trust just any aftermarket parts - trust Alliant Power to keep your engine running smoothly.

Purchase 7.3 Powerstroke New AD Injectors | Alliant AP63803

Rated 5/5 (1 review)

7.3 Powerstroke New AD Injectors | Alliant AP63803 SKU: appAP63803AD-8

$2,615.43

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Fits: 7.3 Powerstroke 1999.5-2003

Warranty: 3 Years

Choose Configuration: 8 AD Set 7 AD-1 LL AE

Core Charge* (required)

7.3 Injector Set Core Charge

Core Type: Refundable Core Charge (30 Days) $400.00 Sending In First

Add Ons

7.3 Powerstroke Under Valve Cover Harness Kit

$322.42

Fits: 7.3 Powerstroke 1999-2003

7.3 Powerstroke Glow Plugs - Set of 8 Motorcraft ZD-30

$138.48

Fits: 7.3 Powerstroke 1994-2003|6.7 Powerstroke 2022+

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Verified Buyer

ZD (Ca) | April 14th, 2025

Great quality parts, attentive staff and fast shipping. I bought the new injectors, harness and glow plugs. Together they revitalized the 01 7.3, installed on Friday and moved 12 hours north on Monday pulling another full size truck with both beds packed. 325,000mi and still running strong.