AP0503 - UltraGuard™ - 64oz Bottle KENWORTH Lowest warranty rates within the

Lowest warranty rates within the industry

The Alliant Power AP63430 engine cooling fan clutch is designed for Ford® 6

Corrosion-resistant materials ensure long-term reliability

This specialty tool holds the water pump pulley in place during fan clutch removal and installation

3L (1998–2003)

AP0503 - UltraGuard™ - 64oz Bottle KENWORTH Lowest warranty rates within theUltraGuard 64oz Bottle (Treats 250 Gallons) AP0503 UltraGuard Diesel Additive is a premium fuel treatment designed to optimize the performance and longevity of diesel engines. This 64oz bottle treats up to 250 gallons of diesel fuel, providing exceptional protection against fuel degradation, contamination, and injector fouling. With UltraGuard, you can boost fuel economy, enhance combustion, and reduce emissions for trucks, heavy equipment, and other