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    Oil Additive

    New Product Filters!
    Give the engine in your 4BT 3.9L Diesel the stabilizing, stiction eliminating, performance, or zinc break-in Oil Additives it needs. These additives safeguard and clean surfaces inside the engine while assisting the recovery of power and compression. Engine-specific products and general-purpose products are offered. Shop for premium brands of additives at XDP, including Lucas Oil, Hot Shot's Secret, Rev-X, XDP, and Hamilton Cams.
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