Titan 762-103 Lower Seal is an OEM part.
It is compatible with: GPX 85 Gas Piston Pump, PowrLiner 2850, PowrLiner 1800M 2800M, Advantage GPX Series,Advantage GPX 85, Advantage 600, Elite G40, 1100xc Airless Sprayer, 740ix Digital Airless Sprayer, 740i Airless Sprayer