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The Heil Co. manual cylinder valves may develop stress corrosion cracks in the bottom plugged port, causing a leak.

NHTSA campaign 25V-749 · Reported October 31, 2025 · 50 vehicles affected

AFFECTED MODELS
The Heil Co.
VEHICLES AFFECTED
50
REMEDY
Agility will replace the valves, free of charge.
COST
Free

The short version

The Heil Co. reported a problem with the fuel system, other. Here is what owners need to know.

WHAT

The manual cylinder valves may develop stress corrosion cracks in the bottom plugged port, causing a leak.

WHY IT MATTERS

A natural gas leak in the presence of an ignition source increases the risk of a fire.

WHAT TO DO

Agility will replace the valves, free of charge.

Affected vehicles

These model years are included in NHTSA campaign 25V-749.

YEAR RANGEMODEL
—See NHTSA record 25V-749

What changed

Newest first. The record shows both when the recall began and what has changed since.

  1. Recall reported to NHTSA. LATEST

Drive one of these? Check your VIN to see if your specific vehicle is affected.

Check your VIN

What this record means

Data from the NHTSA recall database. A clean VIN check means no open federal recalls for that vehicle — not that it never had one.

Not affiliated

MyAutoRecalls is not affiliated with The Heil Co. or the National Highway Traffic Safety Administration.