Description:

{Compatible Models Replacement for GMC C4500 C5500 Topkick, Savana 2500 3500 4500 Base, Sierra 2500 HD 3500 HD; Replacement for GMC Sierra 2500 3500 Classic; Replacement for Chevy C4500 C5500 Kodiak, Express 2500 3500 4500 Base, Silverado 2500 HD 3500 HD 2500 3500 Classic. {Part Number 763527-0512, 904-235, 98011739, 98061570, 12643471, 12635324. {Premium Quality Independent product design, core chip independent design and production, optimize engine performance,determine the ignition time and fuel injection time, ensure the safety and stability of the car. {Features Strictly according to the original size, no need to change, direct installation, factory simulated to ensure proper fit and performance.