Aftermarket Valeo Voltage Regulator M542

Specifications MFR:VALEO FEATURE 1:100% New FEATURE 2:Stator or Light Activated FEATURE 3:With Soft Start FEATURE 4:With LRC Function FEATURE 5:With Under Voltage & Over Voltage Lamp FEATURE 6:Active Lamp – With Output NOTE 1:Terminal Identification: L-FR Terminals SPECS FOR:Valeo IR/IF Alternators SPECS:12 Volt, B-Circuit, VSet 14.5, High side drive regulator USED ON Chevrolet (2012-2015) ** Citroen - Europe (1996-2016) ** Citroen LCV - Europe (2002-2010) ** Fiat - Europe (2000-2016) ** Fiat LCV - Europe (2000-2012) ** Lancia - Europe (2002-2016) ** Mitsubishi - Europe (2007-2016) ** Peugeot - Europe (1998-2016) ** Peugeot LCV - Europe (2000-2014) ** Pontiac (2004-2005) ** Renault (2007-2009) ** Toyota - Europe (2005-2010) Replaces Fiat 595354, 77364873, Valeo 2542807, 2611164, 593857, 595354 LESTER NUMBERS 20130, 20131, 23227, 23231, 23301, 23857, 23908, 24079, 24080 UNIT NUMBERS Bosch 0986083890, 0986083890; Citroen 5702G8, 96 656177 80, 9665735680; Fiat 71748885, 9646065480, 9646066880, 9646321780, 9646388280, 9649611280, 9655733780, 9661544880; Peugeot 5705NF, 96 656177 80, 9665765680; PSA Peugeot Citroen 5702 C5, 5702 C5 (P), 5702 C6, 5702 C6 (C), 5702 E2, 5702 E3 (C), 5702 H0, 5702G9, 5705 AL, 5705 AL, 5705 AS, 5705 CS, 5705 CT, 5705 EW, 5705 EY, 5705 JF, 5705 JV, 5705CQ, 9655296080, 9655733780, 9662731680; Suzuki 31400-69K00; Toyota 27060-YV010, 27060-YV020; Valeo FG18S017, FG18S048, FGN18S017, FGN18S048, REMAN, TG10B013, TG10B024, TG15C020, TG15C022, TG15C023, TG15C028, TG15C053, TG15C054, TG15C060, TG15C112, TG15C118, TG15C119, TG15C127, TG15C134, TG15C154, TG15C156, TG9B026, TG9B028, TG9B044, TG9B045, TG9B067 Features & Benefits Precision aftermarket replacement part Regulates alternator output voltage Helps maintain proper battery charging Supports stable charging system performance Manufactured to match original specifications Designed for dependable long-term operation Ideal for alternator rebuilding and repair Cross-referenced to OEM and aftermarket part numbers     What Does a Voltage Regulator Do? The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system. A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance.     Common Signs Replacement Is Needed Replace the voltage regulator if you notice: Battery overcharging Battery not charging Low charging voltage High charging voltage Battery warning light illuminated Intermittent charging problems Headlights that brighten or dim with engine speed Charging system failure during testing Voltage regulator failure discovered during alternator rebuilding     Installation Recommendations Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage. Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance.     While You're Rebuilding Inspect other common wear components to help maximize charging system reliability: Bearings Brushes Brush Holder Slip Rings Rectifier Diodes Rotor Clutch Pulley Insulators     Why Buy From RC Auto Electric? RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes.     Disclaimer Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original part, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.   Features & Benefits Precision aftermarket replacement part Regulates alternator output voltage Helps maintain proper battery charging Supports stable charging system performance Manufactured to match original specifications Designed for dependable long-term operation Ideal for alternator rebuilding and repair Cross-referenced to OEM and aftermarket part numbers What Does a Voltage Regulator Do? The voltage regulator controls the alternator's output by regulating current supplied to the rotor field winding. As electrical demand changes, the regulator continuously adjusts field current to maintain the proper charging voltage for the battery and the vehicle's electrical system. A properly functioning voltage regulator helps prevent battery overcharging and undercharging while protecting sensitive electrical components from excessive voltage. Because charging system performance depends on the interaction between the regulator, rotor, stator, rectifier, and battery, replacing a faulty regulator is an important step in restoring alternator performance. Common Signs Replacement Is Needed Replace the voltage regulator if you notice: Battery overcharging Battery not charging Low charging voltage High charging voltage Battery warning light illuminated Intermittent charging problems Headlights that brighten or dim with engine speed Charging system failure during testing Voltage regulator failure discovered during alternator rebuilding Installation Recommendations Installation should be performed by a qualified technician or experienced alternator rebuilder. Before installing the new regulator, inspect the brushes, brush holder, slip rings, rotor, stator, rectifier, wiring, and electrical connections for signs of wear or damage. Always verify connector configuration and mounting style before installation. After assembly, bench-test the alternator to confirm proper charging voltage and overall charging system performance. While You're Rebuilding Inspect other common wear components to help maximize charging system reliability: Bearings Brushes Brush Holder Slip Rings Rectifier Diodes Rotor Clutch Pulley Insulators Why Buy From RC Auto Electric? RC Auto Electric specializes in alternator and starter rebuilding components for professional rebuilders, repair shops, automotive technicians, and DIY enthusiasts. Our extensive catalog includes thousands of OEM and aftermarket electrical components backed by accurate cross-reference information to help simplify part identification and reduce ordering mistakes. Disclaimer Compatibility information is provided as a reference only. Manufacturing revisions, production changes, and previous rebuilding modifications may affect internal alternator components. Always compare the original part, connector configuration, mounting style, voltage specifications, cross-reference numbers, and product photographs before installation. If you are unsure about compatibility, contact RC Auto Electric before ordering.