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This genuine Transpo 8RD3025A voltage regulator is a high-quality New Old Stock (NOS) component specifically designed for heavy-duty 24V charging systems. Proudly Made in the USA, this T5-161 series regulator is an essential replacement for maintaining consistent electrical output in demanding commercial and industrial environments. It is a factory-correct solution for various heavy trucks, marine vessels, and industrial generators, ensuring the reliable voltage regulation required to protect your vehicle's expensive electrical components and battery systems.
| Make | Model | Year | Notes |
|---|---|---|---|
| Heavy-Duty | Commercial Trucks (Semi-Trucks) | Various | Used in 24V charging systems |
| International | Medium/Heavy Trucks | Various | Models equipped with 24V alternators |
| Construction | Excavators, Loaders, Dozers | Various | For 24V heavy equipment |
| Marine/Industrial | Ships, Generators, Fleet Vehicles | Various | For 24V charging systems |
Various
Actual Item Photos: Please look over the pictures carefully, as they depict the exact item you will receive. We utilize high-resolution photos of our current physical inventory rather than generic stock images so you can verify the specific condition, markings, and authenticity of this vintage part prior to purchase.
A Note on Fitment Accuracy: We manually research and cross-reference our fitment data using vintage manufacturer catalogs. While we strive for 100% accuracy, these decades-old resources—and the humans reading them—can occasionally contain errors. Additionally, these parts may fit other vehicles and years not explicitly listed in our data. To ensure a seamless restoration, we kindly ask that you perform your own due diligence and verify that this specific part number is correct for your application prior to purchase.
As with all vintage New Old Stock (NOS) parts, this item may show "shelf wear" such as light surface oxidation, dust, or minor finish imperfections from decades of storage in original packaging. These characteristics are typical of authentic vintage components and do not affect the functionality of the part. Our pricing reflects the rarity and historical value of these original American-made treasures.