This set of 2 ring dowels, manufactured in China, are designed to fit 89-23 Dodge RAM 5.9 6.7 and DCEC Cummins Engine models ISDe and ISBe. These dowels are a necessary component for proper engine assembly and are an essential part of maintaining the optimal performance of your truck. With a manufacturer part number of 3949326, these ring dowels are compatible with a variety of other engines and components. Trust in their quality and durability to keep your engine running smoothly.