Product type: Replacement alternator assembly and voltage regulation unit compatible with the following part numbers: AL9935X, IA0989, TY6778, TY6779, AL67176, TY6792, AL81437, AL60033, 686696091623, 0120484016, AL78690, DRA3128, 0120484003, IA0592, 0120484003, 0120484002, 0120484016, 120484002 Why customers need this product Restores reliable charging to the vehicle electrical system after alternator failure or intermittent charging problems. Prevents repeated battery drain and starting issues by providing consistent voltage output to recharge the battery while the engine runs. Provides a direct replacement option when matching any of the listed part numbers is required for fit and function. Key benefits and problem solving Direct compatibility: Designed to units referenced by the listed part numbers, reducing fitment issues and simplifying installation. Restores system reliability: Reestablishes proper charging and electrical system performance so lights, electronics, and ignition function correctly. Time and cost efficient: Replacing a faulty unit with a compatible assembly avoids repeated battery replacements and diagnostic time. Main features and important attributes Function: Alternator assembly with integrated voltage regulation to convert engine mechanical energy into electrical power and maintain correct system voltage. Compatibility: Crosscompatible with the full list of provided part numbers for straightforward replacement and fitment where those numbers are used as references. Construction: Built as a complete unit designed to mount and connect using existing vehicle brackets, electrical connectors, and pulley interfaces associated with the original part numbers. Performance: Engineered to restore expected charging capability for the vehicle application referenced by the listed part numbers, supporting battery charge and vehicle electrical loads. Size and mounting: Form factor and mounting points match the referenced replacements to allow plugandplay installation without modification. Practical applications and installation scenarios 1) Battery replacement and charging system When a vehicle exhibits battery drain, dim or flickering lights, or difficulty starting, replacing the failed alternator assembly with this compatible unit restores charging capability and resolves related electrical faults. 2) Engine rebuild or accessory replacement Use as part of an engine reassembly or when replacing engine accessories to ensure the charging system is fully functional and correctly matched to the vehicle connections referenced by the part numbers. 3) Fleet maintenance and parts consolidation Ideal for maintenance shops and fleet managers who need a single, crosscompatible alternator unit that corresponds to multiple reference numbers, simplifying inventory and service turnaround. Installation tips Verify the vehicle reference or original part number matches one of the listed numbers before installation. Inspect wiring harness, battery terminals, and belt condition when replacing the alternator to ensure reliable operation. Tighten mounting hardware to manufacturer torque specifications and confirm electrical connections are secure. What makes this unit stand out Crossreference coverage: Supports a wide range of reference numbers to reduce the need to find an exact match and to simplify replacement decisions. Complete replacement assembly: Delivered as a readytoinstall unit intended to restore charging system function without additional components. Practical for shops and DIY installers who require a compatible alternator assembly that aligns with common reference numbers. Compatibility reminder Confirm compatibility by matching the vehicle or original part number to one of the listed references prior to or installation. Contents One alternator assembly and integrated voltage regulation unit compatible with the listed part numbers. Installation hardware and additional components are not included unless specified by the seller. This description is intended to help identify the correct replacement alternator assembly for vehicles or equipment that reference the provided part numbers.