These all NEW (not remanufacturered) replacement starters feature a permanent magnet design for more torque and longer life. They meet OEM specs and meet or exceed OEM output for guaranteed performance. High temperature epoxy coated armatures provides strength to secure and insulate wires. 90/10 copper bushings or heavy duty needle bearings for longer life. All Sierra starters are fully backed by the Sierra warranty. Type New Fits Mercury OEM # 50-86976