1、Fitment: Alternator rectifier is replacement for Denso, replacement for Arrowhead, replacement for Celica, replacement for Accord, fit for J N Automotive. 2、OE Number: Alternator regulator replace part number are 31127 PT0 003, 31127 PT2 013, 31127PT20130, 27357 16310, 27357 55080, 27357 74160 for reference. 3、Part Number: For Denso replace part number are 021580 4510, 021580 4630, 021580 4760, for Arrowhead is AND1216, for J N Automotive is 172 52002. 4、Performance: Helps dissipate excess voltage and prevents overcharging of the battery. Effectively improves heat sink and charging. 5、Excellent Features: Aluminum alloy material, firm and precise, safe and durable, flexible and sensitive, stable and reliable.