The Alliant Power AP66955 is a remanufactured G2.9 fuel injector for International MaxxForce DT, 9 & 10 applications. Alliant’s G2.9 Fuel Injector delivers the precise fuel quantity and spray pattern required for efficient combustion and proper engine operation.

Features & Benefits

• Remanufactured Alliant Power G2.9 Fuel Injector (Alliant P/N AP66955)
• Direct replacement for 1886335C91 / 1890055C / 1890055C91
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Included in the Box

• 1x G2.9 Reman Injector with Coil Harness and Connector
• 1x Chamber Gasket-Installed
• 2x Injector Seal Rings

Application

• International 3200 / 7500 (2010–2011)
• International 4300 / 4400 / 7300 / 4300LP / 4400LP (2010–2014)
• International 4300 / 4400 / 7300 / 7400 / 4300LP / 4400LP (2010–2015)
• International 3300 / 3000RE / Durastar / Traveler / WorkStar 7300 (2015)

Always verify fitment against your VIN, engine, and OE part number before ordering.

Cross-Reference / Replaces

• Navistar: 1886335C91, 1890055C, 1890055C91, 1890055C92, 1890056C, 1890056C1, 1890056C2, 5010715R, 5010715R91, 5012139R91
• Delphi: EX638489
• Alliant Power: AP66955

Warranty: Alliant Power’s standard warranty: 24 months with unlimited miles/hours on installed parts (Alliant Power warranty policy, rev. Aug 2025).

A refundable core charge is added at checkout and refunded when your old injector is returned per our core terms.