Replace the weak factory alternator in your 1989-1993 Dodge 5.9L 12V Cummins with a high-quality upgrade. Auxiliary equipment such as off-road lighting, winches, and snowplows can be extremely taxing on the factory charging system and is more than it was originally designed to support. In most applications, the alternators offered feature a direct-fit installation with no modifications required. They are engineered to mount in the factory location and re-use the stock belt and electrical connections. High-output Alternators are available that offer up to twice the amps of the factory units they replace. Rest assured knowing that you will be able to keep the battery fully charged, regardless of your increased power requirements. Upgrade the alternator in your vehicle today. Shop all the top brands including XDP, Mean Green, Leece-Neville, and more!