Freeze Plugs

Our D&J Precision Machine Cummins Billet Freeze Plugs are newly designed and they do not leak. This freeze plug design does not require drilling or tapping of the block. To hold our freeze plug in the block, it uses an o-ring sealed center bolt and a steel tie-bar. We offer a diverse selection of our freeze plugs with a natural finish or anodized black. Whether you are on the search for a single freeze plug or a kit that includes 3 side plugs and one front for your engine, viewing our wide selection is sure to help you make the best choice. Find the product that’s best for you!

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