Replacement Pinion Gears from Hobby Lobby!

Replacement Pinions for MP Jet Gearboxes

Brass pinion gears for the nylon gearboxes include thread lock compound to secure gear to the motor shaft. Steel Pinion gears for Planetary Gearboxes also include a tiny tube of lubricant.

MJ8020 9 Tooth Pinion (2mm hole) for SPEED 280/300 Gearbox, 5:1 ...... $ 2.40
AVAILABLE NOW

MJ8021 10 Tooth Pinion (2mm hole) for SPEED 280/300 Gearbox, 4.5:1 ...... $ 2.40
AVAILABLE NOW

MJ8022 11 Tooth Pinion (2mm hole) for SPEED 280 Gearbox, 4.1:1 ...... $ 2.40
AVAILABLE NOW

MJ8023 12 Tooth Pinion (2mm hole) for SPEED 280 Gearbox, 3.75:1 ...... $ 2.40
AVAILABLE NOW

MJ8024 13 Tooth Pinion (2mm hole) for SPEED 280 Gearbox, 3.5:1 ...... $ 2.40
AVAILABLE NOW

MJ8026 11 Tooth Pinion (2.3mm hole) for SPEED 400 Gearbox, 4.1:1 ...... $ 2.60
AVAILABLE NOW

MJ8027 13 Tooth Pinion (2.3mm hole) for SPEED 400 Gearbox, 3.5:1 ...... $ 2.60
AVAILABLE NOW

MJ8028 15 Tooth Pinion (2.3mm hole) for SPEED 400 Gearbox, 3.1:1 ...... $ 2.60
AVAILABLE NOW

MJ8029 18 Tooth Pinion (2.3mm hole) for SPEED 400 Gearbox, 2.33:1 ...... $ 2.60
AVAILABLE NOW

MJ8080 18 Tooth Pinion (2.3mm hole) for SPEED 400 Planetary Gearbox, 3.33:1 ...... $ 4.40
AVAILABLE NOW

MJ8081 18 Tooth Pinion (3.2mm hole) for SPEED 480/500/600 Planetary Gearbox, 3.33:1 ...... $ 4.40
AVAILABLE NOW

MJ8082 15 Tooth Pinion (2.3mm hole) for SPEED 400 Planetary Gearbox, 3.8:1 ...... $ 4.40
AVAILABLE NOW

MJ8083 15 Tooth Pinion (3.2mm hole) for SPEED 480/500/600 Planetary Gearbox, 3.8:1 ...... $ 4.40
AVAILABLE NOW

MJ8108 11 Tooth Pinion (3.2mm hole) for SPEED 480 Gearbox, 4.1:1 ..... $ 2.70
AVAILABLE NOW

MJ8109 13 Tooth Pinion (3.2mm hole) for SPEED 480 Gearbox, 3.5:1 ..... $ 2.70
AVAILABLE NOW

MJ8110 15 Tooth Pinion (3.2mm hole) for SPEED 480 Gearbox, 3:1 ...... $ 2.70
AVAILABLE NOW

MJ8111 18 Tooth Pinion (3.2mm hole) for SPEED 480 Gearbox, 2.33:1 ...... $ 2.70
AVAILABLE NOW