Campbell Hausfeld VT911200AV Piston Ring Set

VT911200AV is a two-set piston ring kit from Campbell Hausfeld designed for the TQ300000AV and TQ3010 pump assemblies. The kit provides two complete piston ring sets, intended to replace worn rings on both pistons of these Campbell Hausfeld pumps. By restoring the piston sealing surface and ring contact, this kit helps maintain compression and proper pumping action during operation. The VT911200AV part is documented in Campbell Hausfeld repair manuals as "Piston Ring Sets (two sets) VT911200AV," with explicit compatibility for the TQ3010 and TQ300000AV models, confirming its role in official rebuilds and service for these pumps. This OEM kit is a precise, factory-approved option when servicing these Campbell Hausfeld pumps and is listed among related components in the same manuals, such as cylinder VT040915AV, illustrating its place in the broader repair kit ecosystem.