2015 Mack Granite (gu) Recall: Cummins ISL engines in these vehicles may have been equipped with…
NHTSA campaign 14V554000 · Fuel System, Diesel · filed Sep 11, 2014 · verified Jul 30, 2026
The defect
Mack Trucks, Inc. (Mack) is recalling certain model year 2015 GU trucks manufactured April 28, 2014, to June 19, 2014. The Cummins ISL engines in these vehicles may have been equipped with Fleetguard UFF-XT fuel filters, part number FF63009, whose filter shell may separate from the fuel filter nut plate causing the engine to stall without warning.
The risk
If the engine stalls unexpectedly there is an increased risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Cummins will notify owners, and Cummins Service Centers will replace the fuel filter with a non-defective one, free of charge. The recall began on September 2014. Owners may contact Mack customer service at 1-800-528-6586. Mack's number for this recall is SC0384. Owners may also contact Cummins customer service at 1-800-223-4583.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Mack | Granite (gu) | 2015 |
Related recalls
More Mack Granite (gu) recalls
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- 2015–2023 Mack Granite (GR) and 1 other model — Turn signals may be positioned incorrectly, reducing their…
- 2020–2021 Mack Granite (gu) — Lower rear pivot cap screws may not be long enough to…
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Other campaigns involving Mack vehicles
Source: NHTSA recall database, campaign 14V554000 (manufacturer number SC0384). Data last verified Jul 30, 2026.