Upgrade your 7.3 Powerstroke (1994-2003) with the Diesel RX DRX01004 Glow Plug Controller. Engineered for superior insulation and durability, this high-quality controller ensures reliable performance in all conditions. With a 1-year unlimited mileage warranty, you can trust its longevity and effectiveness. Experience improved cold starts and enhanced engine performance with this essential upgrade for your diesel truck. Don't compromise on quality—choose the Diesel RX Glow Plug Controller for peace of mind on the road.