Engine Cylinder Liner / Salvage Sleeve 4B, 6B

The Interstate-McBee M-3904165 Cylinder Liner is a high-quality replacement engine sleeve designed for Cummins 4B and 6B diesel engines. Manufactured to OEM specifications, this salvage sleeve restores cylinder wall integrity and ensures proper piston fit and compression.

Made from durable alloy cast iron, it provides excellent wear resistance, heat dissipation, and long service life under heavy-duty operating conditions. Ideal for engine rebuilds in construction equipment, generators, industrial machinery, and commercial vehicles.

Interstate-McBee has been serving the diesel industry since 1947 and is known for precision-engineered aftermarket components.