Cummins DEF Pump 2290991 2290991PE

Maintain proper emissions system performance with this aftermarket DEF Pump designed for select Cummins EPA21 applications. Engineered to deliver precise dosing of Diesel Exhaust Fluid (DEF), this pump helps support efficient SCR system operation, emissions compliance, and overall engine performance. Built to withstand demanding operating conditions and elevated temperatures, it provides reliable long-term operation while integrating seamlessly into the factory DEF system. Its direct-fit design allows for straightforward installation and dependable performance.

Specifications

• OEM Replacement Part Numbers: 2290991, 2290991PE
• Emission Standard: EPA21
• Component Type: Diesel Exhaust Fluid (DEF) Pump
• Designed for Cummins SCR Emissions Systems
• Provides Precise DEF Dosing for Optimal Emissions Control
• Supports Proper SCR System Performance and Compliance
• Built for High-Temperature and Heavy-Duty Operating Conditions
• Direct-Fit Aftermarket Replacement

Fitment

Verify OEM number prior to purchase.

Fits the following models:

• Select Cummins engines
• Applications requiring an EPA21-compliant DEF pump

Direct aftermarket replacement for OEM #s:

• 2290991
• 2290991PE
• 4132618C1
• 4132618C2
• 5509448
• 5509448NX
• 5509448RX
• A063E687

Important Information

• Returns are accepted within 30 days after receipt of product with a valid RMA number.
• Returns are subject to a 25% restocking fee.
• Damaged returns are subject to refusal.
• See our Return Policy for more information and instructions to set up a return.
• California Prop 65 WARNING: This product may expose you to a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.
• Verify OEM number(s) before ordering to ensure proper fitment.
• Any mention of OEM names, numbers, or descriptions is for identification and compatibility verification purposes only and does not imply the product is an OEM part.

For questions or help finding a part, reach out to customer service at 833-773-3039.