Campbell Hausfeld VT911200AV Piston Ring Set is a genuine replacement kit for Campbell Hausfeld VT-series air compressor pumps, compatible with VT4722, VT4822, VT4900, and VT4923 models. The kit includes two piston-ring sets (VT911200AV) to service two pistons in the pump, as referenced in Campbell Hausfeld repair manuals. As an official Campbell Hausfeld part, this piston ring set is designed for use in rebuilding VT-series pumps to restore compression and cylinder sealing in maintenance and repair scenarios for these models.
