Cummins L9 — Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe
Published June 30, 2021 · Recall initiated: June 29, 2021
Summary
NHTSA records recall 21E060000, published June 30, 2021 and initiated June 29, 2021. Recalling firm: Cummins, Inc.; Cummins L9 — Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe.
What's the hazard
Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia into the tailpipe exhaust.
What to do
Dealers will recalibrate the engine, free of charge. Owner notification letters were mailed August 20, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
Get an email if CUMMINS has another recall
Free. We only write when there's a new recall that matches. Unsubscribe in one click.
Recall details
- Brand
- CUMMINS
- Model
- L9
- Manufacturer
- Cummins, Inc.
- Lot
- CUMMINS L9
- Risk classification
- E
- Country
- US
Related recalls
- NHTSACummins Pd7000 — Electrical system: propulsion system: traction motor: controller: softwareMarch 16, 2026
- NHTSACummins Accelera Powerdrive 7000 — Electrical system: propulsion system: traction batteryMarch 11, 2025
- NHTSACummins L9 — Fuel system, diesel: delivery: hoses, lines/piping, and fittingsJanuary 17, 2025
- NHTSACummins B6.7 — Engine and engine cooling: cooling system: hoses/lines/piping/fittingsDecember 18, 2024
- NHTSAOxilam Led Headlight Bulb — Exterior lighting: headlights: bulbsJune 30, 2021
- NHTSA2021 East Manufacturing Mmx | 2020 East Manufacturing Mmx | 2019 East Manufacturing Mmx | 2018 EastJune 30, 2021
Questions about this recall
Was Cummins L9 — Engine and engine cooling: exhaust system: manifold/header/muffler/tail pipe recalled?
Yes. NHTSA published recall 21E060000 on June 30, 2021. Reported hazard: Cummins, Inc. (Cummins) is recalling certain L9 Diesel Engines, with part number D563027BX03. The engine calibration software's management of the injection of Diesel Exhaust Fluid can allow excessive ammonia into the tailpipe exhaust.
What should I do if I have this product?
Dealers will recalibrate the engine, free of charge. Owner notification letters were mailed August 20, 2021. Owners may contact Cummins customer service at 1-800-286-6467.
How do I know if my unit is part of the recall?
Compare your product details with the notice. Brand: CUMMINS. Model: L9.