The Alliant Power AP63300 is a new oil pump for 2019–2024 Ram 6.7L Cummins applications. Alliant’s Engine Oil Pump circulates pressurized oil through the lubrication system to protect moving engine components.

Features & Benefits

• New Alliant Power Oil Pump (Alliant P/N AP63300)
• Built from a manufacturer with over 70 years of Water and Oil Pump engineering and manufacturing
• Assembled in a QS9000 certified facility
• Optimized design through use of CDF Simulation
• 100% new pump and components
• Direct replacement for 3947308 / 3957266 / 3973398
• Backed by Alliant Power’s 24-month, unlimited-mileage warranty

Included in the Box

• 1x Premium New Oil Pump OE# 5562205 // 68447679AA

Application

• Ram 2500 / 3500 / 4500 / 5500 (2019–2024)

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

Cross-Reference / Replaces

• Cummins: 3947308, 3957266, 3973398, 4988801, 5477984, 5562205
• Mopar: 68447679AA, 5086845AA, 68002975AA, 68067167AA, 68489379AA, R5086845AA
• Alliant Power: AP63300

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