Replace the rusted or damaged water pump bolts on your Ford 6.4 Powerstroke with the XDP Water Pump Bolt Kit (Black-Phosphate) XD687. These replacement bolts will help secure your water pump and prevent coolant leaks. These bolts have a durable black phosphate coating to resist the elements. This long-lasting coating provides superior anti-galling abilities, increased adhesion, and corrosion resistance. This kit includes 5 replacement bolts.Features: Direct-FitDurable ConstructionDurable Black-Phosphate CoatingIncludes (5) Five Replacement Bolts