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The BD Diesel Roadmaster 66RFE transmission and converter package for 2012–2018 Ram 2500/3500 4WD with 5.7L/6.4L HEMI addresses common 66RFE failures. It uses an upgraded valve body with a billet steel‑sleeved SSV bore and a gasketed separator plate to prevent cross‑leaks, plus a line pressure booster and BD ProForce torque converter. The assembly is fully remanufactured with new seals, bearings and a deep sump for better cooling.
BD Diesel 12-18 RAM 2500/3500 5.7L/6.4L HEMI 4WD (66RFE) Roadmaster Transmission & Converter Package
