INDUSTRIAL INJECTION AP63803ADR4 REMAN INJECTOR - 1999.5-2003 FORD 7.3L POWER STROKE (AD CODE) - 230CC

Step up your 7.3L's fueling with the INDUSTRIAL INJECTION AP63803ADR4. This AD-code, 230cc hybrid reman injector is built for serious performance on the 1999.5-2003 Ford 7.3L Power Stroke. Precision clearances, new internal components, and calibrated flow deliver the fuel you need for bigger air, towing power, or competition builds.

Fitment

• 1999.5-2003 Ford 7.3L Power Stroke - AD code engines (late-'99 through 2003)
• Direct replacement/upgrade for AD-code HEUI applications; tune and turbo upgrades recommended

What's Included

• (1) Remanufactured 7.3L AD-code injector, 230cc hybrid (AP63803ADR4)
• Flow-matched and calibrated; ready for installation (core charge may apply)

Recommended Parts (CPP Internal Links)

• MAHLE GS33440 Injector Seal Kit (1994-2003 7.3L)
• DTECH DT730027 External O-Ring/Seal Kit (1994-2003 7.3L)
• BOSTECH HPOP008X-K1 Reman HPOP w/IPR (1999-2003 7.3L) or HPOP008X-K2 w/IPR & ICP
• HPOP Lines & Accessories (7.3L Category)
• DORMAN 904-561 Injector Driver Module (IDM)
• ALLIANT AP63803AD New Stock AD Injector (99.5-03)

Cross-Reference / Alternatives (Internal)

• AP63803ADR1 - Stock Flow
• AP63803ADR2 - 120cc (R2)
• AP63803ADR3 - 160cc (R3)
• AP63803ADR4 - 230cc (this item)

Helpful Notes

• 230cc hybrids require custom tuning and a healthy HPOP; upgraded turbo/air and fuel supply are strongly recommended.
• Match injector size to turbo, intercooler, transmission, and intended use (tow vs. race).
• Core policy: return like-for-like AD-code cores to avoid deductions (see cart for current core terms).

FAQ

It is intended for late-1999 (1999.5)-2003 AD-code engines. Earlier AB/AE applications should use the correct code-matched injector.

Yes-at 230cc these hybrids need custom tuning and sufficient airflow. An upgraded turbo and strong HPOP help maintain ICP and EGT control.

Use new external o-rings and nozzle washers on each injector. We recommend the MAHLE GS33440 or DTECH DT730027 kits listed above.

This listing is for one injector. Order quantity 8 for a full set.