Each kit contains two springs. Used on all 6,000 lb and 9,000 lb Hydraulic Jacks with 13" or 15" stroke. Hydraulic Jack Cylinder Assemblies Using Newmar Part Number 04146 AP0468, AP0498, AP0585, AP0947, AP1042, AP1165, AP1168, AP1197, AP1198, AP1204, AP1613, AP1615, AP1901, AP1927, AP1930, AP1954, AP1955, AP2023, AP2024, AP2025, AP2026, AP2416, AP3898, AP8082, AP8112, AP8164, AP8443, AP8579, AP8587, AP9098, AP9099, AP9306, AP9551, AP9567, AP9867, AP10107, AP10466, AP10717, AP10793, AP10882, AP10908, AP11.
eBay