Aftermarket Denso Voltage Regulator IN373

Specifications MFR:DENSO DIM 1:63.5mm Mtg. Length FEATURE 1:100% New FEATURE 2:Ignition activated FEATURE 3:Shorted field, lamp & choke protection NOTE 1:Active lamp function - with output. NOTE 2:D-terminal has no function. SPECS FOR:Denso IR/IF Alternators SPECS:24 Volt, A-Circuit, D-IG-L Terminals, 28.4 Vset Replaces Denso 126000-3730 LESTER NUMBERS 11837, 13144, 21531 UNIT NUMBERS Denso 102211-2820, 102211-2850, 102211-2851, 102211-9060; Komatsu 600-861-3411, 600-861-3420, 600-861-3610 Vehicle Application Komatsu Crawler Excavator HB215LC-1 L4 4.5L 272cid Komatsu SAA4D107E 2010–2019 PC60-7 L4 3.9L 239cid Komatsu S4D102E 1994–2011 PC70-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2007–2014 PC75UD-3 L4 3.9L 239cid Komatsu S4D102E 1997–2006 PC78MR-6 4D95LA Komatsu Eng. 0000 PC78MR-6 L4 3.3L 3260cc 199cid Komatsu S4D95LE 2003–2010 PC78US-6 4D95LA Komatsu Eng. 0000 PC78US-6 L4 3.3L 3260cc 199cid Komatsu 4D95LE 2001–2008 PC78US-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2008–2017 PC78UU-6 4D95LA Komatsu Eng. 0000 PC78UU-6 L4 3.3L 3260cc 199cid Komatsu 4D95LE 2004–2011 PC78UU-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2008–2017 PC88MR-8 4D95LA Komatsu Eng. 0000 PC88MR-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2008–2017 PC88MR-10 L4 3.3L 199cid Komatsu SAA4D95LE 2014–2019 PC120-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC120-6E0 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC120H-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC120J-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC120LC-6 L4 3.9L 239cid Komatsu S4D102E 1995–2007 PC120LC-6E0 L4 3.9L 239cid Komatsu S4D102E 1995–2007 PC120S-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC120SC-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC128US-2 L4 3.9L 239cid Komatsu S4D102E 1999–2005 PC128UU-2 L4 3.9L 239cid Komatsu S4D102E 1995–2006 PC130-6 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC130-6E0 L4 3.9L 239cid Komatsu S4D102E 1980–2010 PC130-7 4D95LA Komatsu Eng. 0000 PC130-7 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2004–2011 PC130-7K L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2004–2011 PC130-8 4D95LA Komatsu Eng. 0000 PC130-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2008–2020 PC138US-2 4D95LA Komatsu Eng. 0000 PC138US-2 L4 3.9L 239cid Komatsu S4D102E 2002–2007 PC138US-2 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2006–2008 PC138US-8 4D95LA Komatsu Eng. 0000 PC138US-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2008–2011 PC138USLC-2 L4 3.9L 239cid Komatsu S4D102E 2002–2007 PC138USLC-2 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2004–2007 PC138USLC-8 L4 3.3L 3260cc 199cid Komatsu SAA4D95LE 2007–2014 PC138USLC-10 L4 3.3L 199cid Komatsu SAA4D95LE 2013–2017 PC160LC-7 L4 3.9L 239cid Komatsu SAA4D102E 2003–2012 PC160LC-7-E0 L4 4.5L 272cid Komatsu SAA4D107E 2009–2018 PC160LC-8 L4 4.5L 272cid Komatsu SAA4D107E 2009–2015 PC180LC-7-E0 L4 4.5L 272cid Komatsu SAA4D107E 2009–2018 PC180LC-7K L4 3.9L 239cid Komatsu SAA4D102E 2003–2012 PC180NLC-7-E0 L4 4.5L 272cid Komatsu SAA4D107E 2009–2018 PC200-6Z L6 5.9L 359cid Komatsu S6D102E 1980–2001 PC200-7 L6 5.9L 359cid Komatsu SAA6D102E 2003–2011 PC200-8 L6 6.7L 408cid Komatsu SAA6D107E 2007–2016 PC200LC-6 L6 5.9L 359cid Komatsu S6D102E 1980–2001 PC200LC-7 L6 5.9L 359cid Komatsu SAA6D102E 2003–2011 PC200LC-8 L4 4.5L 272cid Komatsu SAA4D107E 2014–2016 PC210-6 L6 5.9L 359cid Komatsu S6D102E 1994–1999 PC210-7 L6 5.9L 359cid Komatsu SAA6D102E 2002–2011 PC210-10 L6 6.7L 408cid Komatsu SAA6D107E 2012–2018 PC210I-10 L6 6.7L 408cid Komatsu SAA6D107E 2015–2018 PC210LC-6 L6 5.9L 359cid Komatsu S6D102E 1994–1999 PC210LC-7 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 PC210LC-10 L6 6.7L 408cid Komatsu SAA6D107E 2012–2018 PC220-6 L6 5.9L 359cid Komatsu SA6D102E 1986–2004 PC220-7 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 PC220-8 L6 6.7L 408cid Komatsu SAA6D107E 2007–2011 PC220LC-6 L6 5.9L 359cid Komatsu SA6D102E 1986–2002 PC220LC-7 L6 5.9L 359cid Komatsu SAA6D102E 2002–2011 PC220LC-8 L6 6.7L 408cid Komatsu SAA6D107E 2006–2016 PC228US-1 L6 5.9L 359cid Komatsu S6D102E 1997–1999 PC228US-2 L6 5.9L 359cid Komatsu S6D102E 1999–2003 PC228US-3 L6 5.9L 359cid Komatsu SAA6D102E 2001–2006 PC228US-8 L6 6.7L 408cid Komatsu SAA6D107E 2007–2014 PC228USLC-1 L6 5.9L 359cid Komatsu S6D102E 1997–1999 PC228USLC-2 L6 5.9L 359cid Komatsu S6D102E 1999–2003 PC228USLC-3 L6 5.9L 359cid Komatsu SAA6D102E 2001–2006 PC228USLC-8 L6 6.7L 408cid Komatsu SAA6D107E 2006–2016 PC228UU-1 L6 5.9L 359cid Komatsu S6D102E 1997–1999 PC250-6 L6 5.9L 359cid Komatsu SA6D102E 1999–2005 PC250HD-6Z L6 5.9L 359cid Komatsu SA6D102E 1999–2005 PC250LC-6 L6 5.9L 359cid Komatsu SA6D102E 1999–2005 PC270-7 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 PC270-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2011 PC270LC-8 L6 6.7L 408cid Komatsu SAA6D107E 2006–2011 PC290LC-8 L6 6.7L 408cid Komatsu SAA6D107E 2006–2011 Komatsu Excavator PC78-6 4D95LA Komatsu Eng. 0000 Komatsu Forklift FD35-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD35-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD35Z-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD35Z-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD40-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD40-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD40Z-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD40Z-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD45-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD45-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD50-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD50-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD50A-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD50A-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD60-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD60-8 L6 5.9L 359cid Komatsu S6D102E 2005–2014 FD60-10-EC L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD60-10-US L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD70-7 L6 5.9L 359cid Komatsu 6D102E 2005–2014 FD70-8 L6 5.9L 359cid Komatsu S6D102E 2009–2016 FD70-10-EC L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD70-10-US L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD80-7 L6 5.9L 359cid Komatsu S6D102E 1994–2001 FD80-8 L6 5.9L 359cid Komatsu SA6D102E 2005–2014 FD80-10 L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD80-10-EC L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD80-10-US L4 3.3L 199cid Komatsu SAA4D95LE 2012–2024 FD100-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2019 FD115-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2019 FD135-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2019 FD150E-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2014 FD160E-8 L6 6.7L 408cid Komatsu SAA6D107E 2009–2014 FH35-1 L4 3.3L 199cid Komatsu SAA4D95LE 2019–2024 FH40-1 L4 3.3L 199cid Komatsu SAA4D95LE 2019–2024 FH45-1 L4 3.3L 199cid Komatsu SAA4D95LE 2019–2024 FH50-1 L4 3.3L 199cid Komatsu SAA4D95LE 2019–2024 Komatsu Grader GD405A-3 L6 5.9L 359cid Komatsu SAA6D102E 1984–1988 Komatsu Wheel Loader WA80-3 4D95LA Komatsu Eng. 0000 WA80-3 L4 3.3L 3260cc 199cid Komatsu S4D95LE 2004–2006 WA100-5 L4 3.9L 239cid Komatsu SAA4D102E 2005–2010 WA100M-3 L4 3.3L 3260cc 199cid Komatsu S4D95LE 1997–2004 WA150-5 L4 3.9L 239cid Komatsu SAA4D102E 2004–2011 WA150L-5 L4 3.9L 239cid Komatsu SAA4D102E 2004–2011 WA150PZ-5 L4 3.9L 239cid Komatsu SAA4D102E 2005–2010 WA200-5 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 WA200L-5 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 WA200PT-5 L6 5.9L 359cid Komatsu SAA6D102E 2004–2011 WA250-5 L6 5.9L 359cid Komatsu SAA6D102E 2003–2011 WA250L-5 L6 5.9L 359cid Komatsu SAA6D102E 2003–2011 WA250PT-5 L6 5.9L 359cid Komatsu SAA6D102E 2005–2010 WA270-5 L6 5.9L 359cid Komatsu SAA6D102E 2005–2010 WA300L-3 L6 5.9L 359cid Komatsu SA6D102E 1999–2002 WA320-5 L6 5.9L 359cid Komatsu SAA6D102E 2004–2016 WA320L-5 L6 5.9L 359cid Komatsu SAA6D102E 2004–2016 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.