Zodiac Polaris 9400–9550 Wheel Cover (R0540300) controlsystemparts making it essential to both

making it essential to both hydraulic performance and structural support

or no longer sealing well

A micro filter bag is useful because it helps capture smaller particles than a more general-use bag

Part GLX-PCB-TROL-RJ can help restore normal function when the original board fails or no longer controls the chlorination system correctly

or no longer holding the wheel components with confidence

Zodiac Polaris 9400–9550 Wheel Cover (R0540300) controlsystemparts making it essential to bothThe Zodiac Polaris 94009550 Wheel Cover (R0540300) is a replacement cosmetic and protective cover for compatible Polaris robotic pool cleaner wheel assemblies. The cover helps shield the wheel area from debris contact while giving the cleaner a finished, properly assembled appearance. If the original cover is cracked, missing, loose, or damaged during service, replacing it helps protect nearby components and keeps the cleaner easier to handle and