Mopar ECM (2019–2021 Cummins 6.7L) Mopar Part Number: 68363277AACummins Part Number: 4384696 The Mopar ECM (2019–2021 Cummins 6.7L) is an OEM engine control module designed for 2019–2021 Ram trucks equipped with the 6.7L Cummins engine. This controller is widely used as the required replacement unit for 2022–2024 Cummins ECM swap setups when preparing the truck for supported tuning platforms. For 2022–2024 Ram 2500 and 3500 models, the factory ECM cannot be directly calibrated. A 2019–2021 controller must be installed as part of a structured ECM swap process before tuning can be performed. This is the correct OEM solution for that application. Why 2022–2024 Trucks Require This ECM Beginning in 2022, Cummins/Ram introduced controller changes that restrict direct calibration access. To properly prepare the truck for tuning, the process requires: Installing a compatible 2019–2021 ECM Loading the appropriate recovery file Completing immobilizer pairing Flashing supported tuning files This Mopar unit provides the correct hardware foundation for that procedure. Required You will also need the Smart Access Cable A swapped 2019-2021 controller still sits behind the factory security gateway on 2019 and newer RAM trucks. The Smart Access Cable is required before MPVI4 can read or flash the ECM once the swap and immobilizer pairing are done. Add the Smart Access Cable Fitment OEM Direct Application (originally equipped) 2019–2021 Ram 2500 / 3500 / 4500 / 5500 — 6.7L Cummins ECM Swap Application (2022–2024) 2022–2023 Ram 2500 / 3500 / 4500 / 5500 — 6.7L Cummins 2024 Ram 2500 / 3500 — 6.7L Cummins Product Details Genuine Mopar OEM controller Correct hardware for ECM swap procedure Compatible with supported tuning platforms requiring 19–21 controller Required for 2022–2024 MM3 or MPVi4 swap-based tuning setups Sold without core exchange requirement Professional installation is recommended, especially for immobilizer pairing and VIN recovery file procedures. IMPORTANT NOTES NO Core Charge This Mopar ECM is sold outright. We do not charge a core fee and you are not required to return your original controller. This simplifies the 2022–2024 ECM swap process and eliminates downtime. Final Sale Important: This is a final sale product. Due to the nature of this item, no returns, refunds, or exchanges will be accepted.
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