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iRobot Roomba Discovery and Dirt Dog Brush Deck Gears — Picture Coming Soon

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Home & appliance parts

Roomba Discovery & Dirt Dog Brush Deck Gear Set

Replacement Roomba Discovery and Dirt Dog brush-deck gears: two 18-tooth versions and one 32-tooth gear. Match the gearbox; free US shipping.

$19.99 USD

Made to order · Ships within 3 calendar days from California · Free USPS standard shipping within the US

Models and part matching

Roomba Discovery 4200 seriesRoomba Dirt Dog
Match your part
Compare your brush gearbox with the bearing and bushing versions shown for this set. Choose the 18-tooth version that matches the original mounting arrangement.

Product details

Replace damaged brush-deck gears in a Roomba Discovery 4200-series or Dirt Dog gearbox. The set includes two 18-tooth versions and a 32-tooth gear.

Both alternative 18-tooth pieces are supplied so you can select the correct version for the repair. Retain the appropriate original bearing, bushing and shaft components.

What is included

Three replacement gear pieces, including both alternative 18-tooth versions and the 32-tooth gear. Select the appropriate 18-tooth variant for installation; bearings and brush deck are not included.

Part details

Independent replacement part from Jams Engineering. Brand names identify equipment compatibility.

Material: 3D printed polymer
Part reference: JE-ROOMBA-BRUSH-GEARS

Installation & compatibility

Disconnect the equipment from power and follow the manufacturer's service instructions. Keep the original mounting hardware and check that the replacement moves freely after fitting.

Send your model and original-part photos for help

Shipping & returns

US orders ship free by USPS standard shipping from California. Read shipping and return information.

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