Heater Glow Plug — 0.9 V, 7 A SKU: QT3992

This heater glow plug helps diesel engines light off cleanly in cold starts by delivering reliable preheat at the intake. It’s a practical replacement when hard starting, white smoke, or long crank times point to a weak or failed element.

Built for farm conditions, the heating element and shell are designed for repeatable heat cycles under vibration and dust so your equipment starts predictably and gets to work sooner.

• Electrical rating: 0.9 volts, 7 amps for consistent cold-start preheat
• Thread major diameter: 0.71 in (18.0 mm)
• Thread pitch: 0.059 in (1.50 mm)
• Durable element suitable for repeated cold-weather use

Installation Tip: Disconnect the battery, clean the seat, and tighten to the specified torque; verify voltage and wiring before energizing and allow the plug to cool before rechecking tightness.

A dependable preheat solution that helps your diesel start cleaner and faster through cold mornings and long workdays.