2018–2021 11 models Equipment Recall 21V428000
NHTSA recall 21V428000 covers about 22,326 2018–2021 11 models vehicles (equipment), filed with NHTSA Jun 4, 2021. There is no do-not-drive or park-outside advisory.
Source: NHTSA campaign 21V428000 · Data as of Nov 6, 2026 · By CarWhere Research
What's recalled
Component: Equipment (recreational vehicle/trailer, lpg systems)
Heartland Recreational Vehicles, LLC. (Heartland) is recalling certain 2018-2021 Mallard, Shadow Cruiser, Sundance XLTTT, Wilderness, Prowler, Trail Runner, 2018-2019 Pioneer, Terry Classic, 2020-2021 Lithium, and 2021 North Trail trailers equipped with a Winntec model 6020 two-stage propane regulator. The regulator may fail, causing an increase in propane pressure.
The risk
Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire.
The remedy and its status
Dealers will replace the regulator and test the propane system for leaks, free of charge. Owner notification letters were mailed August 3, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
Status: NHTSA lists Aug 3, 2021 as the owner-notification date for this campaign.
Affected models and years
Models and model years NHTSA lists for this campaign. Not every vehicle of a listed model and year is included; check by VIN.
| Vehicle | Model years | More |
|---|---|---|
| Heartland Lithium | 2020–2021 | — |
| Heartland Mallard | 2018–2021 | — |
| Heartland North Trail | 2021 | — |
| Heartland Pioneer | 2018–2019 | — |
| Heartland Prowler | 2018–2021 | — |
| Heartland Sundance | 2018–2021 | — |
| Heartland Terry Classic | 2018–2019 | — |
| Heartland Trail Runner | 2018–2021 | — |
| Heartland Wilderness | 2018–2021 | — |
| Cruiser Redundant Shadow Cruiser | 2019–2020 | — |
| Cruiser Rv Shadow Cruiser | 2018, 2021 | — |
Key dates
- Report filed with NHTSA
- Jun 4, 2021
- Owner notification
- Aug 3, 2021
- Recall initiated by
- the manufacturer
- Filed by
- Heartland Recreational Vehicles, LLC
Check your VIN for 21V428000
- Find the 17-character VIN on the driver-side dashboard (visible through the windshield), the door-jamb sticker, or your registration.
- Enter it in NHTSA's free VIN recall lookup. It shows every open recall on that exact vehicle, including this one if it applies and hasn't been repaired.
- If 21V428000 is open, call any Heartland dealer's service department and give them the recall number. The repair is free.
Not sure of the exact model or year? Decode it first with the free VIN decoder.
Frequently asked questions
What is recall 21V428000?
NHTSA recall 21V428000 covers about 22,326 2018–2021 11 models vehicles (equipment), filed with NHTSA Jun 4, 2021. There is no do-not-drive or park-outside advisory. It covers certain 2018-2021 Mallard, Shadow Cruiser, Sundance XLTTT, Wilderness, Prowler, Trail Runner, 2018-2019 Pioneer, Terry Classic, 2020-2021 Lithium, and 2021 North Trail trailers equipped with a Winntec model 6020 two-stage propane regulator.
Is it safe to drive a vehicle with recall 21V428000?
NHTSA's record for 21V428000 carries no do-not-drive or park-outside advisory. The risk NHTSA lists is: "Increased propane pressure can enlarge the flames in gas appliances, increasing the risk of a fire." Get the free repair as soon as it is available for your vehicle.
How do I know if my vehicle is affected by 21V428000?
Only a VIN lookup can tell you. Not every vehicle of the listed models and years is included, and repaired vehicles drop off. Enter your 17-character VIN in NHTSA's free recall lookup at nhtsa.gov/recalls, or ask any Heartland dealer to check it.
What is the fix for recall 21V428000, and is it free?
NHTSA's record says: "Dealers will replace the regulator and test the propane system for leaks, free of charge." NHTSA lists Aug 3, 2021 as the owner-notification date for this campaign. Safety-recall repairs are done free of charge at authorized dealers.
Sources and method
- NHTSA recall record for 21V428000, from NHTSA's public recall campaign database. Problem, risk and remedy text is NHTSA's own wording.
- "Vehicles affected" is NHTSA's potential-units-affected count for the whole campaign.
- Data as of Nov 6, 2026. NHTSA updates campaigns as manufacturers file amendments, so check the official record for the latest.
Related recalls
- 24V236000: 2023–2024 Heartland (17 models) equipment (Mar 27, 2024)
- 22V591000: 2022–2023 Heartland (15 models) equipment (Aug 8, 2022)
- 22V432000: 2022 Heartland (16 models) equipment (Jun 17, 2022)