New Ford Aerostar Explorer Ranger Starter 2.9L 4.0L100% New OE performance torque & output High performance rare earth magnets Field case assys. are 100% tested on a computerized gaussmeter to measure magnet strength & position. Zinc plated field case, solenoid, C.E. cover & hardware Armatures are precision balanced & feature banded hairpins Commutators are stake-welded & polished for longer brush life Carbon brushes are welded - same as OE Planetary gears feature needle bearings (rather than bushings) Solenoids feature late style S-t
