Cummins 4BT Conversion Engine Mounts (87-95 Jeep Wrangler YJ)Find parts that fit my vehicle

Premium Vibration‑Controlling Mounts. The Cummins 4BT Conversion Engine Mounts are designed specifically to support a 4BT diesel swap into 1987–1995 Jeep Wrangler YJ models. They precisely position isolators above the crank centerline at a 45° angle and are centered front‑to‑back on the motor, reducing the notorious “paint shaker” vibration common in 4BT swaps. These mounts make the engine run smoother, protecting your bellhousing and improving overall ride quality.

Construction And Appearance. Constructed of heavy‑duty steel brackets with integrated urethane isolators, these mounts are finished in durable powder‑coat black to resist corrosion and engine‑bay debris. They come with all necessary hardware, including high‑grade bolts and nuts, ensuring a robust, factory‑quality installation.

Installation. Installing the Cummins 4BT Conversion Engine Mounts requires moderate fabrication skills. Welding mounts to the YJ frame is required, and at least a 1-inch body lift is often needed for transmission tunnel clearance. Basic drilling is minimal, but precise alignment and welding are key for optimal isolator placement.

Warranty. These mounts come with a 3‑year warranty from the date of purchase.

Application. The Cummins 4BT Conversion Engine Mounts fit 1987–1995 Jeep Wrangler YJ models.

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