NHTSA recall · Reported December 2, 2021
HYUNDAI 2021: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil sea…
Hyundai recalled Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake mas….
HYUNDAI 2021: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER was recalled by Hyundai in December 2, 2021. Reason: Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may hav…. Remedy: Dealers will replace the brake master cylinder, free of charge. Owner notification lette…. Verify recall #21V937000 with the NHTSA before acting.
The recall
Hyundai issued this NHTSA recall-Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may hav….
- None
- agency class
- December 2, 2021
- reported
Sourced from official NHTSA enforcement records. Verify recall #21V937000 with the agency before acting. Full product description, hazard, remedy, and related recalls are below.
Recall Insight
The number of affected units is not disclosed in the agency filing, which is common for drug and food recalls where lot-level tracking supersedes unit counts. Distribution scope (see Distribution below) directly affects the consumer exposure window and determines whether a recall remains regional or escalates into a nationwide advisory. Consumers holding this product should act on the agency's documented remedy above rather than relying on general guidance.
Within the same product category the archive holds 6 closely related recalls, 3 from NHTSA - clustering in a narrow category often points to a systemic quality-control or supplier issue rather than a one-off defect. Always verify the recall number against the official agency record before acting.
Vehicles recalls over time
Where this recall sits in its category - 7,783 vehicles recalls on record
Product description
Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.
Reason for recall
Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.
Hazard
Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy, what to do
Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed February 10, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 213.
Recall Profile
| Attribute | Value |
|---|---|
| Agency | National Highway Traffic Safety Administration |
| Severity class | Not classified by agency |
| Status | Active |
| Recall number | 21V937000 |
| Date reported | December 2, 2021 |
| Date initiated | December 2, 2021 |
| Recalling firm | Hyundai |
| Affected scope | Not disclosed |
| Distribution | United States |
| Official source | NHTSA notice → |
Profile values are sourced directly from the official NHTSA enforcement record. Source: National Highway Traffic Safety Administration.
What to do with this recall
Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed February 10, 2022. Owner…
- Check the recall number (21V937000) and product description against the item you own. Search the archive
- Confirm the current status and remedy on the official NHTSA notice before acting. NHTSA notice
- Follow the documented remedy (refund, replacement, repair, or disposal) rather than general advice. What to do next
This page summarizes the official NHTSA record for research and awareness; it is not legal, medical, or safety advice. Verify with the issuing agency before acting.
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Nationwide recalls with similar severity or category timing
Vehicle and equipment notices outside this manufacturer and filing state, matched by archive severity grade and report timing.
Similar severity · nearest report date
Same archive severity grade, closest by report date among other firms and states.
Similar Vehicles · nearest report date
Same product category, closest by report date among other firms and states (deduped against the severity set).
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Methodology · Corrections · Archive as of August 2026