Cat fuel injector nozzles utilize specialized product metallurgy, proprietary manufacturing processes and design, to deliver injectors capable of meeting today's performance and injection pressures to meet emission standards. Cat Reman Part Number: 0R-3420 Length (in): 8.0 Length (mm): 203.2 Width (in): 4.9 Width (mm): 124.5 Height (in): 1.3 Height (mm): 33.0 Weight (lbs): 1.6 Weight (kg): 0.8