Merits Pioneer 3 (S131/S1312/S1313/S132/S135) Scooter Parts

This page lists parts for the Merits Pioneer 3 mobility scooter, models S131, S1312, S1313, S132 and S135. Part types include battery packs and chargers, 3.00-4 tires, tubes and rear wheel assemblies, the motor, brake and transaxle assembly, a Rhino2 DS90 controller, throttle and speed pots, lights and switches.

The S131 requires two 12V U1 batteries, while the S132 and S135 use 50 Ah batteries; we list U1 (32 Ah and 35 Ah) packs and a 50 Ah (45 Ah upgrade) 24V pack. The standard charger is a 24V 5.0 amp off-board unit, with 8.0 amp as a faster upgrade; a 3.0 amp on-board charger (65042003) is also listed. Rear tires are 3.00-4 (260x85). Many parts are shared with the Pioneer 4 (S141). Check the model label on the frame, usually under the seat. 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.