The Alliant Power AP54801 is a common rail fuel injector for 2019–2023 GM L5D Duramax applications. Alliant’s Common Rail Fuel Injector delivers the precise fuel quantity and spray pattern required for efficient combustion and proper engine operation.

Features & Benefits

• Alliant Power Common Rail Fuel Injector (Alliant P/N AP54801)
• Fit, form, and function tested to meet or exceed original-equipment standards (per Alliant Power)
• Direct replacement for 12696967 / 12698553 / 12718814
• Backed by Alliant Power’s manufacturer warranty

Included in the Box

• 1x Reman Injector
• 1x Chamber Nozzle Tip Gasket
• 1x Injector Sealing O-ring

Application

• Chevrolet Silverado 4500 HD / Silverado 5500 HD / Silverado 6500 HD (2019–2020)
• Chevrolet Silverado 4500 HD / Silverado 5500 HD / Silverado 6500 HD (2019–2023)
• Alliant Power lists additional vehicle applications for this part number

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

Cross-Reference / Replaces

• General Motors: 12696967, 12698553, 12718814
• Navistar: 6040630C9, 6040630C91, 6040630C92, 6040630C93, 6040630C94, 6040630C95, 6040630C96, 6040630C97, 6040630C98, 6040630C99
• Alliant Power: AP54801

Warranty: Alliant Power’s warranty policy (rev. Aug 2025) covers new fuel injectors for 36 months and remanufactured injectors for 24 months, both with unlimited miles. Alliant’s listing for this part number describes it as both new and remanufactured, so contact us to confirm condition and warranty term before ordering if it matters for your repair.

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