AA AEG Steel Motor Pinion – Type O Hardened steel motor pinion engineered by Action Army for standard AEG gearbox drive systems. This O-type component interfaces with round motor shafts and meshes precisely with sector gear teeth, optimizing torque transfer and minimizing drivetrain friction. CNC-precision machining ensures consistent engagement geometry across high-torque and high-speed motor configurations. Direct replacement for worn or damaged pinions without motor disassembly. Compatible with all standard AEG motor variants. Installation requires threadlocker application to prevent shaft slippage under sustained load. Taiwan-manufactured. Essential wear item for maintaining gearbox efficiency and longevity.