CAT BA-921/922

Fleet Products offers a comprehensive selection of Bendix BA-921 1 Piston 92mm NO Rod Bearings # Begin with 501, K0, and BA-922 2 Pistons 92mm NO Rod Bearings # Begin with 501, K0, 15.8 CFM and 31.6 CFM air compressors specifically designed for Caterpillar (CAT) engines, C7, C9, C11, C13, C15, and C18. These compressors are engineered to meet the rigorous demands of heavy-duty trucks and buses, ensuring reliable performance and longevity.​ Our inventory includes both new and remanufactured BA-921 AND 922 compressors, compatible with various CAT engine configurations. Standard BA-921 heads use a 4-bolt pattern and can be aluminum or cast iron, while Closed Room BA-921 heads use a 6-bolt aluminum head with a different matching gasket, cooling plate, and valve plate set. Although both are water-cooled designs, the Closed Room version has a different casting and different port and hardware layout for air, coolant, governor, and safety valve connections. The two head styles are not interchangeable. Closed Room heads are commonly used on industrial applications in these BA-921 references, especially the Tier 4 industrial app compressors shown for C7 & C9, C13, C15 & C18, and C18 2.8 BM Gear.​

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