NHTSA campaign 21V974000
Arrow Manufacturing Recall 21V-974: Brake Line Routing May Cause Brake Fluid Leak
NHTSA recall 21V974000 was reported by Arrow Manufacturing, Inc. on December 16, 2021, with 20 vehicles potentially affected (per NHTSA). NHTSA's record lists the Arrow Manufacturing Ram 4500 and Arrow Manufacturing Ram 5500 for model years 2019–2021.
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 21V974000 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
- 21V974000 (also written 21V-974 or 21V974)
- Filed by
- Arrow Manufacturing, Inc.
- Report received
- Potentially affected
- 20 vehicles (per NHTSA)
- Component
- Service Brakes, Hydraulic — Foundation Components — Disc — Caliper
- Safety standard
- FMVSS 105
Repair completion: 100% (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 21V974000. 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.
NHTSA's recall notice
As NHTSA's recall record states it for campaign 21V974000.
Defect description
Arrow Manufacturing, Inc. (Arrow) is recalling certain 2019-2021 Ram 4500 and 5500 cab chassis equipped with LiquidSpring Compressible Liquid Adaptive Suspension Systems (C.L.A.S.S.). The rear brake caliper flexible line may contact a suspension component, causing a brake fluid leak.
Safety consequence
A brake fluid leak may cause partial or complete loss of the rear brakes, increasing the risk of a crash.
Manufacturer remedy
Dealers installed a kit to modify the rear brake caliper flexible line mounting, and inspected and replaced worn brake lines as necessary, free of charge. All affected vehicles have been repaired and therefore no owner notification letters will be sent. Owners may contact Arrow Manufacturing customer service at 1-712-261-3157.
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.nhtsa.gov.
Sources
Official NHTSA notice for recall 21V974000
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.