Feature 1Applicable Model: The electric stepper motor is a replacement for the AMP Research electric stepper motor. Please confirm whether it matches the product you want before purchasing to avoid unnecessary returns. 2OE Number: The part numbers for reference are 800312990, A10049113 800312990. Please confirm whether it matches the OE you need to avoid wrong purchases and other problems. 3Smoother Operation: The stepper motor ensures stable operation and a long service life, effectively reducing noise and improving vehicle performance. 4Responsive Start: The electric side stepper motor features fast speed and responsive performance, enabling smooth starting even in extreme weather conditions, greatly improving the driving experience. 5High Strength: The motor is made of high-strength materials, sturdy and wear-resistant, and ensures a long service life. It is easy to install, no complicated tools are required. Item Type: Electric Side Stepper Motor OE Number: 80-03129-90, A10049-113, 800312990 Fitment: Replacement for AMP Research Electric Stepper Motor Package List 1 x Electric Side Stepper Motor 3 x Screws 3 x Washers Note Please check the part number of your item, the matching information is just for reference.