Product: Alternator voltage regulator replacement module Key benefits Restores reliable charging system performance by regulating alternator output and maintaining stable system voltage during engine operation. Directfit replacement for alternators that use the listed cross reference part numbers, simplifying installation and reducing time. Durable construction and corrosionresistant electrical contacts provide longterm service in typical engine compartment conditions. What this part does Controls alternator field current to keep charging voltage within the required range for vehicle electrical systems. Prevents undercharging that can lead to a drained battery and prevents overcharging that can shorten battery life or damage electrical components. Interfaces with existing alternator mounting and electrical connectors for straightforward replacement. Compatibility and cross reference Compatible with the following part numbers and equivalent replacements: 0120484016, AL60033, 0120484016, IA0592, AL67176, AL9935X, IA0989, DRA3128, 0120484003, TY6778, AL78690, AL81437, 120484002, 0120484002, 0120484003, TY6779, TY6792. Verify fitment against the original regulator part number or alternator model before ordering. Key attributes Function: Alternator voltage regulation module for automotive charging systems. Compatibility: Cross reference list above for direct replacement applications. Size and form factor: Compact, lowprofile module designed to fit standard alternator housings and connector locations. Material: Durable polymer housing with corrosionresistant metal terminals and internal electronic components sized for vehicle electrical loads. Performance: Engineered to match common alternator voltage regulation requirements and to provide consistent output under normal operating conditions. Installation notes the module with the engine off and battery disconnected to avoid electrical damage. Confirm connector orientation and mounting alignment match the original regulator. If symptoms persist after replacement, inspect alternator brushes, slip rings, and charging wiring for related faults. Typical use scenarios a failed regulator to stop battery warning lights, erratic charging, or repeated battery drain. Use during alternator rebuild or refurbishment to restore correct voltage control. Stock replacement part for fleet maintenance to reduce vehicle downtime and simplify repairs. This replacement module is intended for technicians and vehicle owners who need a reliable, cross referenced alternator voltage regulator that fits alternators using the listed part numbers. Verify compatibility with the original part number before .