Buy this link you will get a HD33 original color wheel same like my pictures.

all color degree is the same like your old one, you projector will get perfect image.

Color glass broken or motor get noisy, then you need exchange a new color wheel,

Other problem like flicker, it is not color wheel problem. If color flicker then check sensor board; if brightness flicker, then check lamp or power supply.

Light tunnel, resin lens, photo sensor board and other parts also available. feel free to ask.