ALLIANT INTERNAL INJECTOR HARNESS AP63414 1994-1997 FORD 7.3L POWERSTROKE
ALLIANT INTERNAL INJECTOR HARNESS AP63414 1994-1997 FORD 7.3L POWERSTROKE is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
ALLIANT INTERNAL INJECTOR HARNESS AP63414 1994-1997 FORD 7.3L POWERSTROKE is backordered and will ship as soon as it is back in stock.
Description
Description
Alliant Internal Injector Harness – AP63414 (1994–1997 Ford 7.3L Powerstroke)
Restore proper injector operation and eliminate electrical issues with the Alliant Internal Injector Harness (AP63414). Designed as a direct replacement for worn or heat-damaged factory harnesses, this internal valve cover harness ensures reliable power delivery to your injectors and glow plugs on early 7.3L Powerstroke engines.
Built to OEM specifications, this harness is a critical service item when diagnosing misfires, rough running, or intermittent injector operation common on aging OBS trucks.
🔥 Key Features:
-
OEM-Quality Replacement – Built to match factory fit, routing, and connector design
-
Reliable Injector Signal – Restores consistent electrical connection to injectors
-
Heat-Resistant Construction – Designed to survive harsh valve cover environments
-
Direct Plug-In Install – No splicing or modifications required
✅ Application:
-
1994–1997 Ford 7.3L Powerstroke
-
Ford F-Series trucks
-
Ford E-Series vans (equipped with 7.3L)
🔧 Part Numbers:
-
Alliant: AP63414
-
Replaces OEM internal injector harness assemblies
🛠️ Recommended Service Tip:
When replacing an internal injector harness, always inspect valve cover gaskets and external connectors for damage or corrosion to ensure long-term reliability.
Bring back smooth operation and dependable injector control with the Alliant Internal Injector Harness AP63414 — a must-have service part for any OBS 7.3L Powerstroke.
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: AP63414
Loading vehicle fitment…
Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

