Intake Valve Intake valves open and close to allow fuel-air mixture to flow into cylinders Attributes: Cat parts are manufactured to precise specifications and are built for durability, reliability, productivity, less environmental impact, and reuse. SPECIFICATIONS Height (in): 2.1 Length (in): 8.1 COMPATIBLE MODELS Wheel-Type Loader 966H 972H Engine - Truck C13 C11 Engine - Generator Set C13 XQ375 C13 XQ425 C13 XQ350 Petroleum Products CX31-C11I TH35-C13I CX31-C13I CX31-P600 TH35-E81 TH35-C11I Engine - Industrial C13 C11 Articulated Dump Truck 730 725 Road Reclaimer RM-300 Motor Grader 16M 14M Forest Products 345C Wheeled Excavator W345C MH Excavator 345C 345D L 349D L 345C L 345C MH 345D L VG 345D Track-Type Tractor D8N Load, Haul, Dump R1700G