The McCormick 3694352M91 Sleeve is an authentic OEM engine component specifically designed for various McCormick tractor models. This critical sleeve ensures proper engine function and is compatible with a wide range of CX, MC, MTX, XTX, and ZTX series tractors, serving within the engine assembly for both Tier 2 and Tier 3 engines. Utilizing this genuine McCormick part guarantees optimal performance, precise fitment, and long-lasting durability for your agricultural machinery.