The Soldier's Sparkplug is a community-created cosmetic item for the Soldier. It is a robotic version of the Soldier's Stogie. It is a spark plug, held in the Soldier's mouth, with smoke coming from one end.
The Soldier's Sparkplug was contributed to the Steam Workshop.
- The Soldier's Sparkplug was added to the game.
- Fixed the Soldier's grenades being hidden when equipping the Soldier's Sparkplug.
- [Undocumented] Added Strange quality.
- The Soldier's Sparkplug makes an appearance in an easter egg in the game The Stanley Parable. Typing "hideous" into the game's console can randomly load this page or the page for the Graybanns, HDMI Patch, Soldered Sensei, Steel Shako, Timeless Topper, Well-Rounded Rifleman, or Western Wear.