Merits M419/M439 Manual Wheelchair Parts

This page lists replacement parts for the Merits M419/M439 manual wheelchair. We carry solid urethane rear tires, front caster wheels, and accessories such as wheelchair covers, an under-seat bag, a seatback bag, an oxygen tank holder and handle grips.

The M419/M439 uses 8"x2" front casters and 24"x1-3/8" main wheels. The rear tire we list is a 24"x1-3/8" (37-540) solid urethane tire with street tread, and the universal 8"x2" (200x50) caster has 608Z bearings. The model number is on a label on the frame, often on the crossbrace. As an authorized Merits dealer, we supply genuine OEM Merits parts, with compatible alternatives on select items. Can't find your part? Contact us with your model number and a photo of the old part, and our team will help track it down.