2021 Heartland Mallard, 2020–2021 Heartland North Trail, 2021 Heartland Trail Runner and 1 other model Recall: LP gas lines may not have been tightened properly on the outside cooktops…
NHTSA campaign 21V453000 · Equipment · filed Jun 17, 2021 · verified Jul 30, 2026
The defect
Heartland Recreational Vehicles, LLC (Heartland) is recalling certain 2021 Mallard, Wilderness, Trail Runner and 2020-2021 North Trail trailers. The LP gas lines may not have been tightened properly on the outside cooktops, which could result in a gas leak.
The risk
A gas leak can increase the risk of a fire.
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 will inspect and tighten the LP gas lines, and test the propane system for leaks, free of charge. Owner notification letters were mailed August 10, 2021. Owners may contact Heartland customer service at 1-877-262-8032.
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
Related recalls
More Heartland Mallard recalls
- 2023–2024 Heartland Big Country and 16 other models — LED backlight circuit board in the cooktop range may fail…
- 2022–2023 Heartland Bighorn and 14 other models — Electric retractable awning has a welded seam on the fabric…
- 2021 Heartland Mallard and 1 other model — Refrigerator roof vents were not routed properly during…
- 2018–2021 Cruiser Shadow Cruiser and 9 other models — Regulator may fail, causing an increase in propane pressure
- 2021 Heartland Mallard — These units had incorrect axle, rims, and tires installed…
Other campaigns involving Heartland vehicles
Source: NHTSA recall database, campaign 21V453000. Data last verified Jul 30, 2026.