+3 Glow Plug Controller Solenoid Relay for 1987-1994 6.9l 7.3l IDI Ford Diesel KB-7.3lIDI-GPC $74.95 In stock Quantity: 1 Add to Bag Product Details Cross Reference:: DRX01001 New Glow Plug Controller Fits: 1987-1994 6.9l & 7.3l IDI Ford diesel engines. Save this product for later Favorite