2019–2021 Arrow Manufacturing Ram 4500, 2019–2021 Arrow Manufacturing Ram 5500 Recall: Rear brake caliper flexible line may contact a suspension component…
NHTSA campaign 21V974000 · Service Brakes, Hydraulic · filed Dec 16, 2021 · verified Jul 30, 2026
The defect
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.
The risk
A brake fluid leak may cause partial or complete loss of the rear brakes, increasing the 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
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.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Arrow Manufacturing | Ram 4500 | 2019, 2020, 2021 |
| Arrow Manufacturing | Ram 5500 | 2019, 2020, 2021 |
Source: NHTSA recall database, campaign 21V974000. Data last verified Jul 30, 2026.