Today I rebuild and R&R my Maxx Jaxx auto lift cylinders using affordable seal and wear rings, wipers from Hercules sealing products with great service and fast shipping, I will leave links. https://www.herculesus.com/index.php?... st-150-xl rw-93ure-150x1.875x0.88 is the wiper seal pu18-1.62-31 pus-90ure-1 5/8x2x5/16 is the u-seal always measure all critical sizes and verifiy what you have to make sure it fits.