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    B&M Diesel Shifters & Differential Covers

    B&M has built transmission and drivetrain hardware for performance vehicles for decades, and parts like its cast-aluminum differential covers, deep transmission pans, and precision shifters have found their way into heavy-duty truck builds. CFM Diesel Performance stocks B&M drivetrain components for Ram Cummins and GM Duramax trucks that need stronger, cooler-running hardware behind the engine, whether you are towing, racing, or both. It is time to win with CFM.

    B&M

    Why Diesel Owners Trust B&M

    B&M is a longtime name in performance drivetrain parts, known industry-wide for shifters, torque converters, and transmission hardware sold through outlets like Holley and major performance retailers.

    Its cast-aluminum differential covers, Hi-Tek deep transmission pans, SFI-certified flexplates, and SuperCooler transmission coolers give heavy-duty trucks tougher, better-cooled drivetrain hardware than the factory parts they replace.

    CFM Diesel Performance stocks a growing selection of B&M drivetrain parts for Ram Cummins and GM Duramax trucks � differential covers, transmission pans, and coolers below. Building something specific? Contact our team and we'll help track down the right part for your build.