Cummins 4BT Conversion Engine Mounts (07-18 Jeep Wrangler JK)Find parts that fit my vehicle

Engineered Durability. The Cummins 4BT Conversion Engine Mounts provide a robust, purpose-built solution for installing a 4BT diesel into 2007-2018 Jeep Wrangler JK models without sacrificing vehicle integrity. Designed to match the specific isolator locations of the Cummins flywheel and bell housing, these mounts deliver precise alignment under load. Finished in matte black powder coat with raw metal contact surfaces, they combine strength and corrosion resistance to support heavy drivetrain assemblies in demanding off-road and daily driving scenarios.

Construction and Appearance. Each mount is fabricated from thick, welded DOM steel tubing and plate, configured as frame-side weld-on brackets and a weld-in crossmember plate. The raw metal faces of the isolator pads mate directly to OE-style rubber isolators, ensuring consistent vibration damping. All weld seams are full-penetration TIG welds, and the external surfaces receive a durable black hammertone finish to resist abrasion and environmental exposure. The overall kit presents a professional, industrial appearance that integrates seamlessly with Jeep’s underbody structure.

Installation. This direct replacement kit requires trimming in select areas to clear later model vacuum pump and power steering pump assemblies; plan for minor sheet-metal removal and precise cut-outs. The frame-side brackets are welded into existing Jeep frame rails, and the crossmember plate welds into designated chassis openings. No drilling hardware into body panels is necessary, preserving structural strength. All necessary mounting plates and instructions are included to guide weld setups and ensure accurate isolator placement without guesswork.

Application. This Cummins 4BT Conversion Engine Mounts kit fits 2007-2018 Jeep Wrangler JK models. It enables the installation of 1994-2002 Dodge RAM 2500 Cummins engines with NV4500 or NP241 transmissions by providing correct isolator positioning, improved load support, and durable steel construction for reliable performance in heavy-duty and off-road applications.

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