Champion P05050A Rebuild Kit For Champion HR5-8 VR5-8 R15A R15B OSN4 Z764 Z799

P05050A rebuild kit for Champion HR5-8 and VR5-8 air compressors, and for R15A and R15B units, is compatible with OSN4, Z764, and Z799 configurations. The kit is referenced across Champion part cross-references and aftermarket listings as the rebuild option for the HR5-8/VR5-8 family and related R-series units, confirming its applicability to those machines. The part number P05050A ties the kit to these specific designs, so when ordering you should verify that your unit’s designation matches OSN4, Z764, or Z799 to ensure a proper fit. Commonly used during routine maintenance and rebuild projects, the P05050A kit provides the essential assembly for restoring service on Champion air compressors within these model families. By matching the exact model family and configuration—HR5-8, VR5-8, R15A, R15B, OSN4, Z764, Z799—the kit helps technicians avoid part mismatches and streamlines the rebuild process.