Cummins DOC Inlet Pancake 4394601 4394876

Maintain proper exhaust flow and emissions system performance with this aftermarket DOC Inlet "Pancake" designed for Cummins EPA21 engines equipped with in-line aftertreatment systems. Featuring an innovative low-profile design, this Diesel Oxidation Catalyst (DOC) is engineered to optimize exhaust flow while maximizing durability and emissions efficiency. Built with a metallic substrate for reduced thermal mass and improved structural stability, this DOC helps maintain proper operating temperatures and dependable emissions control. Clamps and gaskets are included for a complete installation, and the unit is backed by a 3-year warranty.

Specifications

• OEM Replacement Part Numbers: 4394601, 4394876
• Emission Standard: EPA21
• Component Type: Diesel Oxidation Catalyst (DOC) Inlet Pancake
• Designed for Cummins In-Line Exhaust Aftertreatment Systems
• Innovative Pancake Design for Optimized Exhaust Flow
• Metallic Substrate for Reduced Thermal Mass and Improved Durability
• Proprietary Catalytic Coating for Competitive Emissions Performance
• Includes Clamps & Gaskets
• Warranty: 3-Year Manufacturer Warranty
• Weight: 18.32 lbs
• Dimensions: 7.55" H x 12.59" W x 12.59" L

Fitment

Verify OEM number prior to purchase.

Fits the following models:

• Cummins EPA21 engines equipped with in-line exhaust aftertreatment systems
• Applications requiring an EPA21-compliant DOC inlet pancake assembly

Direct aftermarket replacement for OEM #s:

• 4394601
• 4394876
• 4394876NX
• 4394876RX
• 4395106
• 4395106NX
• 4395106RX
• 4395112
• 4395112NX
• 4395112RX
• 5418478
• 5418478NX
• 5418478RX
• A055P601
• A056A967
• A059N984
• A059N985

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.
• Not available for sale in California.
• 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.