.296in I.D. x .574in O.D. Improved Design
Injector to Fuel Rail Fluoroelastomer
.291in I.D. x .585in O.D. Old Design
Fluoroelastomer
Browse our selection of quality fuel injector o-ring kit parts designed specifically for your GMC C5500 Topkick. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
