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NHTSA campaign 21V194000 · Isuzu campaign V2103

Isuzu Technical Center of America, Inc. Recall 21V-194: Rear Axle U-Bolt Not Properly Tightened

NHTSA recall 21V194000 (Isuzu campaign V2103) was reported by Isuzu Technical Center of America, Inc. on March 19, 2021, with 258 vehicles potentially affected (per NHTSA). NHTSA's record lists the Isuzu NRR, Isuzu NPR HD, Isuzu NPR XD and more for model years 2015–2021. Owners were notified on April 23, 2021, per NHTSA.

Updated daily from NHTSA's recall files

Is my vehicle included?

This page lists, by model year, the vehicles NHTSA's recall record names for campaign 21V194000 in the model years try.vin imports (1995 and later); NHTSA's own record can list more. A model year on the list doesn't mean every vehicle of that year is included, and some may already have been repaired.

To see whether a specific vehicle is included and still needs the repair, enter its VIN at nhtsa.gov/recalls.

Free VIN check: decode a VIN to see its year, make and model.

Key facts

NHTSA campaign
21V194000 (also written 21V-194 or 21V194)
Filed by
Isuzu Technical Center of America, Inc.
Isuzu campaign number
V2103
Report received
Potentially affected
258 vehicles (per NHTSA)
Component
Suspension — Rear — Springs — Leaf Spring Assembly — U-Bolt, Leaf Spring to Axle
Owners notified

Repair completion: 74.03% (latest rate the manufacturer reported to NHTSA; dataset updated October 21, 2026)

NHTSA cautions against comparing completion rates across recalls or manufacturers. How try.vin reads them.

Vehicles listed for this recall

NHTSA's recall record lists these vehicles for recall 21V194000. try.vin imports model years 1995 and later, so NHTSA's own list can be longer. Model years with a try.vin recall page link to it. Build dates are NHTSA's range for a model year (per NHTSA); a vehicle built in that range is not necessarily included.

Chevrolet

All Chevrolet recalls

International Motors

  • International Motors Chevy 4500HD

  • International Motors Chevy 5500HD

All International Motors recalls

Isuzu

All Isuzu recalls

NHTSA's recall notice

As NHTSA's recall record states it for campaign 21V194000.

Defect description

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2015-2017 Isuzu NPR, Reach, 2016-2020 Isuzu NPR XD, NPR HD, NQR, 2016-2021 Isuzu NRR, 2017-2020 Chevrolet 4500XD, 4500HD, 5500HD, and 2020 Chevrolet 5500XD vehicles. The U-bolt nuts for the rear axle may not have been properly tightened and may loosen, causing the axle to misalign.

Safety consequence

The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.

Manufacturer remedy

Isuzu will notify owners, and dealers will inspect and, if needed, replace and tighten the rear axle U-bolt nuts, free of charge. The recall began on April 23, 2021. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu's number for this recall is V2103.

Notes

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.

Sources

Official NHTSA notice for recall 21V194000

Campaign details come from NHTSA's recall files, which try.vin imports once a day. The plain-language subject and the completion rate come from the U.S. Department of Transportation's Recalls Data dataset. How try.vin reads recall data.