DPFXFIT Three Way Catalyst for Cummins ISL-G (CNG) – GESi-601

Part Number: GESi-601

Engine Make/Model: Cummins ISL-G (CNG)

Replaces OEM Three-Way Catalyst Part Numbers:

4969771, 4969771NX, 4969771RX, 4969770, 4969770NX, 4969770RX, Q621799

Aftermarket Three-Way Catalyst Part Numbers:

C0101-ID, 58045, C0101ID

Included With Unit:

Gasket Part Number: 2x G-0002

Clamp Part Number: 2x CL-0002

The DPFXFIT three-way catalyst GESi-601 for Cummins ISL-G CNG applications is a direct-fit aftermarket replacement engineered to OEM specifications. Designed to reduce CO, HC, and NOx emissions in compressed natural gas engines, it delivers reliable emissions performance, durability, and compliance for heavy-duty on-highway and stationary CNG applications.

Design Advantages

•Designed and built in North America
•Exclusive 1-Piece Stainless Steel Canister Design for durability
•Cordierite Substrate manufactured by Tier-1 OEM suppliers
•OEM quality Clamps and Gaskets included
•Exact fit direct replacement
•3-year unlimited mileage warranty