Replacement alternator regulator and rectifier assembly compatible with part numbers 11983677200, LR140714, 11983677200, 15006640100, LR140714, 686696107164, LR140721C, 15006640100, LR140721C, AM880733 Key benefits Restores stable charging: Replaces a worn or failed regulator to stabilize alternator output and protect the battery and electrical system. Direct replacement: Designed to match original dimensions and electrical connections for straightforward fit and installation using the listed part numbers. Reliable performance: Engineered to handle varying engine speeds and electrical loads to reduce flickering lights, erratic instrument behavior, and charging interruptions. Durable construction: Built with heatresistant housing and corrosionresistant terminals for longterm operation in underhood environments. Time and cost efficient: Quick swap installation reduces labor time compared to troubleshooting multiple components. What this part does Controls alternator voltage and directs current flow through a rectifier bridge to convert alternating current to the vehicle electrical system direct current. Prevents overcharging and undercharging by maintaining system voltage within specified limits. Replaces failed semiconductor and brush assemblies to restore normal charging function. Compatibility and fit Supplied to units identified by part numbers 11983677200, LR140714, 11983677200, 15006640100, LR140714, 686696107164, LR140721C, 15006640100, LR140721C, AM880733. Compact design and standard mounting pattern allow plugandplay installation where these part numbers are referenced. Intended for use in alternators and charging systems that call for any of the listed part numbers. Confirm match with vehicle or equipment service documentation before . Key attributes Function: Alternator voltage regulator and rectifier assembly for charging system control and AC to DC conversion. Compatibility: Matches the listed part numbers for direct replacement. Size: Compact footprint engineered to match original unit dimensions for straightforward installation. Material: Heatresistant polymer housing and corrosionresistant electrical contacts for durability. Performance: Stable voltage regulation across engine speed range, robust diode rectification, improved charging reliability. Typical use scenarios a failed regulator after dashboard battery warning, dimming lights, or repeated jumpstarts to restore reliable starting and charging. Service or maintenance replacement during alternator rebuilds to ensure the charging system meets original operating behavior. Stocking for vehicle shops as a directfit replacement part when diagnosing charging system faults tied to the listed part numbers. Installation notes Verify the vehicle or equipment calls for one of the listed part numbers before installation. Follow standard safety procedures when working with the electrical system and battery. If unsure about fit or installation, consult a qualified technician or service manual. This replacement regulator and rectifier assembly provides a practical, directfit option to restore proper charging system function for applications referencing part numbers 11983677200, LR140714, 11983677200, 15006640100, LR140714, 686696107164, LR140721C, 15006640100, LR140721C, AM880733.