Enhance the performance of your John Deere 4.5L 4045ST engine with the precision-engineered New Borgwarner Turbocharger (Model: S1B). This turbocharger, backed by a 1-year manufacturer's warranty, is designed to deliver optimal power and efficiency. Designed for engines manufactured between 1997 and 2011, this turbocharger ensures a perfect fit and seamless integration into your system. The cross-reference compatibility with part numbers 316101 and RE71550 further attests to its quality and reliability. Unleash an additional 90HP and experience improved torque and overall engine efficiency. Whether you're upgrading your existing turbocharger or looking to boost the performance of your 4.5L 4045ST engine, this New John Deere 4045T Turbocharger by BORGWARNER is the ideal choice. Invest in quality, durability, and increased power with the S1B Turbocharger. Elevate your engine's capabilities and tackle challenging tasks with confidence.