Dolly caster wheels for the model Rainbow Rexair D4C SE (Special Edition), D4C, D3C, D3A, D2A, D2, and D Rainbow vacuum. Also fits E2 Silver (E2 Type 12), E2 Gold (E2 Type 12), ESERIES (E-2), E2 Blue (Platinum / Silver), E2 Gold (Two Speed), E2 Two Speed, E Series (E2 One Speed / E2 Gold One Speed), SE Performance (SE PE), SE, D4 (D4C). If you are replacing the whole dolly assembly, you would need to buy 4 of these wheels and D2, D4, D3 Dolly How to remove the wheel? Put a flat head screwdriver between the dolly and the wheel base. Carefully pry it and it will get separated. DO NOT put too much pressure as that may break the dolly. How to repair the old caster wheel? It is hard to get the wheel off from the base if it is stuck and there is too much lint and dust gone after years of use. Try spraying the WD40 on the wheel stem and leave it for couple of hours. If it comes out, then you can just order and new wheel and use its stem on the old one. Otherwise whole caster wheel unit has to be purchased
