O'Donnell Glow Plugs

Race-proven quality and performance.

Developed for the harshest racing environments, patented O'Donnell plugs use the highest quality materials for top performance in your car, airplane, helicopter, or boat. In addition to lasting longer than typical glow plugs, they provide quicker starts, superior idling, better acceleration, and improved engine tuning. See the listings below for an O'Donnell plug that's perfectly suited for your needs, such as the Medium/Hot Red, Medium Purple or Cold Blue.