Cummins Isb6.7, Cummins Isc8.3, Cummins Isl9, Cummins Isx11.9, Cummins Isx15, model year 9999. Filed by Cummins Inc. and reported to NHTSA on 8 August 2011. 11,860 vehicles potentially affected.
What the notice says Cummins is recalling certain isb6.7, isc8.3, isl9, isx11.9, and isx15 engines shipped from september 2010 through december 2010 to various vehicle manufacturers. these engines were installed in recreational vehicles, emergency vehicles, buses, and certain truck applications. the v-band clamp assembly, part numbers …
Is your vehicle included? Check with your VIN at NHTSA, or ask a dealer. This page is an independent copy of the notice, kept so you can see what changed after it was published. It is not the authority, and the authority’s own text is the one to act on.
What owners ask about this recall
- Which vehicles does recall 11E031 cover?
- Cummins Isb6.7, Cummins Isc8.3, Cummins Isl9, Cummins Isx11.9, Cummins Isx15.
- What is wrong with them?
- CUMMINS IS RECALLING CERTAIN ISB6.7, ISC8.3, ISL9, ISX11.9, AND ISX15 ENGINES SHIPPED FROM SEPTEMBER 2010 THROUGH DECEMBER 2010 TO VARIOUS VEHICLE MANUFACTURERS. THESE ENGINES WERE INSTALLED IN RECREATIONAL VEHICLES, EMERGENCY VEHICLES, BUSES, AND CERTAIN TRUCK APPLICATIONS.
- What can happen if it is not put right?
- IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH COMPLETELY, CREATING A ROAD HAZARD.
- Is there a fix yet?
- CUMMINS IS WORKING WITH THE VEHICLE MANUFACTURERS TO IDENTIFY AND NOTIFY OWNERS. THE SAFETY RECALL BEGAN ON OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR THEIR VEHICLE MANUFACTURER.
- What should I do now?
- Check your own vehicle by its VIN with NHTSA, which is the record to act on.
Answered from the register this site holds. NHTSA is the record to act on.
What the authority says can happen if this is not fixed: “IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH…”
affected
in the notice
caught
| Campaign | 11E031 |
|---|---|
| Filed by | CUMMINS INC. |
| System at fault | Engine And Engine Cooling |
| Reported to NHTSA | 8 August 2011 |
| Model years | 9999-9999 |
| Vehicles named | CUMMINS ISB6.7, CUMMINS ISC8.3, CUMMINS ISL9, CUMMINS ISX11.9, CUMMINS ISX15 |
What the notice says today
The consequence
IF THE INLET OR OUTLET SECTIONS DISCONNECT, HOT EXHAUST GASES CAN VENT PRIOR TO EXITING THE TAILPIPE, CREATING THE RISK OF COMBUSTION AND A FIRE. IF BOTH CLAMPS FAIL, THERE IS A RISK IN SOME APPLICATIONS THAT THE DOC/DPF HOUSING MAY DETACH COMPLETELY, CREATING A ROAD HAZARD.
The remedy
CUMMINS IS WORKING WITH THE VEHICLE MANUFACTURERS TO IDENTIFY AND NOTIFY OWNERS. THE SAFETY RECALL BEGAN ON OCTOBER 10, 2011. OWNERS MAY CONTACT CUMMINS AT 1-812-377-5000 OR THEIR VEHICLE MANUFACTURER.
What it said before
This campaign is in the register but not yet in the dated wording archive, so we cannot yet say whether its text has moved. It enters the archive on the next pass.
This is one of 588 notices in the record whose component field names engine and engine cooling. Across that group the median wait before owners were written to was 47 days.
Last checked . No change has been recorded in the wording.
How to cite this record
Quoting the wording on this page means quoting a version, so the date belongs in the citation:
CarsMultiverse, recall 11E031, wording as read on 17 September 2026. https://carsmultiverse.com/recall/11e031/
The cross-border matches used on this site are deposited as a citable dataset: doi:10.5281/zenodo.22087136. The recall wording itself is published by the national authority named above and is theirs, not ours.
The recall record and its wording are published by the US National Highway Traffic Safety Administration and are US Government public domain. The dated archive, the comparison and any before-and-after above are CarsMultiverse. How fresh every engine behind this page is, is public on the status page. To check a specific vehicle, use NHTSA’s own VIN lookup.
Other Cummins notices we hold
- 26E011: PD7000 Electric Drive, part number BES CM0904 EV104B
- 25E018: the high voltage battery packs in certain PowerDrive 7000 electric drivetrains
- 25E004: L9 diesel engines, part number D563027BX03
- 24V934: 2022-2024 Power Generation C275D2RE trailer-mounted generators
- 24V192: 2023-2024 Power Generation C275D2RE trailers
- 24E106: B6.7 Diesel Engines part numbers RA11741 and RA11769, and F3
- 24E038: Cummins L9 diesel engines with part number D563027BX03
- 23E080: L9N Natural Gas Engines, part number D883007BX03
All 45 Cummins campaigns we hold · Every manufacturer in the record
The fingerprint of this notice
We take a SHA-256 of each of the three blocks of text the authority publishes and keep the first eight characters. As we last read campaign 11E031 on 17 September 2026, they were:
- Defect summary
3619d3a5 - Consequence
1491100f - Remedy
a033aba7
We first read this notice on 21 August 2026. It has not moved since. If it ever does, these characters will not match, and the change will be dated here.
The wording we hold for 11E031 · how the whole register is watched
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