Quantum R-4000 Parts

This page lists replacement parts for the Quantum R-4000 power chair. We carry battery packs and 24 volt battery chargers, 14"x3" (3.00-8) tires, tubes and flat-free wheel assemblies, rear anti-tip wheels, VR2 and Q-Logic joystick parts, motor brushes, leg rests and footrests, armrests and armrest pads, Tru-Balance 3 seating accessories, cushions, hardware and saddle bags.

For power, we list a Group 24 (75 Ah) 24 volt AGM battery pack and 24 volt 8.0 amp XLR chargers. The 14"x3" flat-free 5-spoke wheel assembly is shared with the Quantum Q600, Q600XL and Q6000Z, the rear anti-tip wheel with the Jazzy 1450 and Quantum Q1450, and the upper leg rest with the Q6 Edge. Match joystick parts to your VR2 or Q-Logic controller. Look for the model number on the frame label, usually under the seat. As an authorized Pride Mobility dealer, we supply genuine OEM Quantum 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.