Industrial 1Z943 Ring Set Kit For Speedaire B1 Compressor

1Z943 Ring Set Kit is a rebuild component designed for Champion/Speedaire B1 compressors within the B1/C1 pump family. It is listed as a head rebuild kit for pumps Champion B1 & C1 and Speedaire models 1Z943, 2Z203B, and 1Z945B, signaling cross-compatibility across related pump assemblies. The kit is intended for use with Speedaire B1 units and comprises the ring-set components used during overhaul of the pump’s ring-set assembly, helping maintain proper sealing interfaces and compression characteristics of the B1/C1 lineage. By referencing the head rebuild kit listings, technicians can confirm this part number is appropriate for the B1/C1 family and related Speedaire assemblies, reducing the risk of mismatched components. When selecting this kit, verify the exact Speedaire B1 unit and cross-reference with Champion B1/C1 family parts to ensure proper fit and compatibility with your pump model. Note that catalog entries for this part appear across multiple suppliers, reflecting its role in service and overhaul workflows for older Champion and Speedaire pump lines.