Meritor KIT225291 Retrofit Kit is a complete air disc brake upgrade kit designed for heavy-duty transit bus applications, primarily for rear or center axle configurations (Nova Bus / similar platforms). It includes EX225 air disc brake calipers, brake pads, and mounting hardware, allowing conversion from drum brakes to modern air disc systems. Cross-Reference / Related Parts: KIT225291CF, KIT225291-RR, KIT225290, KIT225290CF, KIT225292, KIT2252H2CG, KIT2252H2DD






