Aftermarket Denso Voltage Regulator IN439

Specifications MFR:DENSO DIM 1:63.5mm Mtg. Length FEATURE 1:100% New  NOTE 1:Standard lamp function - no output. NOTE 2:*Replaces Denso 126000-1640 w/ 14.1 Vset NOTE 3:**Replaces Denso 126000-1670 w/o LRC SPECS FOR:Denso IR/IF Alternators SPECS:12 Volt, A-Circuit, S-IG-L Terminals, 14.6 Vset, w/ LRC USED ON Chevrolet (1998-2002) ** Geo (1993-1997) ** Lexus (1993-1997) ** Toyota (1993-2002) LESTER NUMBERS 12473, 13457, 13482, 13492, 13495, 13496, 13499, 13500, 13501, 13502, 13503, 13537, 13546, 13551, 13553, 13556, 13557, 13668, 13711, 13754, 13756, 21336, 22597, 22613, 23038 Replaces Denso 126000-1580, 126000-1640, 126000-1660, 126000-1670, 126000-2820, GM 94854171, 94857219, Toyota 27700-35040, 27700-46050, 27700-74030, 27700-74040, 27700-78700-71 Vehicle Application Caterpillar Ag. & Ind. Excavator 304E Mini Excavator C2.4 146ci, 2.4L Caterpillar 2012-2014 305.5E Mini Excavator C2.4 146ci, 2.4L Caterpillar 2012-2014 305E Mini Excavator C2.4 146ci, 2.4L Caterpillar 2012-2014 Toyota Forklift 7FG10 5K Engine 1998-2001 7FG14 5K Engine 1998-2001 7FG15 4Y Engine 1998-2001 7FG15 5K Engine 1998-2001 7FG18 4Y Engine 1998-2001 7FG18 5K Engine 1998-2001 7FG20 4Y Engine 1998-2001 7FG20 5K Engine 1998-2001 7FG23 4Y Engine 1998-2001 7FG23 5K Engine 1998-2001 7FG25 4Y Engine 1998-2001 7FG25 5K Engine 1998-2001 7FG28 4Y Engine 1998-2001 7FG30 4Y Engine 1998-2001 7FGJ35 4Y Engine 1998-2001 7FGK20 4Y Engine 1993-2001 7FGK20 5K Engine 1993-2001 7FGK23 5K Engine 1998-2001 7FGK25 4Y Engine 1993-2001 7FGK25 5K Engine 1993-2001 7FGK30 4Y Engine 1993-2001 7FGK30 5K Engine 1993-2001 Toyota Car Paseo L4 1.5L 1497cc 1994-1995 Celica L4 1.8L 1762cc 107cid 1994-1997 Corolla L4 1.6L 1587cc 1993-1997 Corolla L4 1.8L 1762cc 107cid 1993-1997 Camry V6 3.0L 2959cc 1993 Camry L4 2.2L 2164cc 1993-1996 MR2 L4 2.0L 1998cc 122cid 1993 MR2 L4 2.0L 1998cc 122cid 1993-1995 MR2 L4 2.2L 2164cc 1993-1995 Celica L4 2.2L 2164cc 1994-1999 Supra L6 3.0L 2997cc w/Twin Turbo 1993-1998 Tercel L4 1.5L 1497cc 1998-1999 Camry L4 2.2L 2164cc 1997-2001 Camry V6 3.0L 2959cc 1992 Solara L4 2.2L 2164cc 1999-2001 Geo Car Prizm L4 1.6L 1588cc 98cid 1993-1997 Prizm L4 1.8L 1762cc 107cid 1993-1997 Toyota Truck 4Runner L4 2.4L 2366cc 1993-1995 Pickup L4 2.4L 2366cc 1993-1995 4Runner V6 3.0L 2959cc 1993-1995 Pickup V6 3.0L 2959cc 1993-1995 T100 V6 3.0L 2959cc 1993-1994 RAV4 L4 2.0L 1998cc 122cid 1996-2000 Lexus Car ES300 V6 3.0L 2959cc 1993 LS400 V8 4.0L 3969cc 1993-1994 SC400 V8 4.0L 3969cc 1995-1997 Toyota - Europe Car Camry 2200 1992-2001 Carina E 2000 1992-1997 Picnic 2000, 3S-FE 1997-2001 MR2 2000 1992-1999 Previa 2400, TCR, 2TZ-FE 1993-2000 Carina E 2000 1992-1996 Corolla (E11) 2000, 2CE 1998-2000 Corolla (E10) 2000, 2C 1992-1997 Toyota - Europe Truck Rav 4 Mk1 2000, 3S-FE 1994-2000 Toyota Van Previa L4 2.4L 2438cc 1993 Previa L4 2.4L 2438cc wo/Supercharger 1994-1995 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.