Genuine OEM Replacement Parts


Hydro-Gear Parts in Our Catalog

Your #1 stop for all your Hydro-Gear replacement parts straight from the source. Hydro-Gear is an American manufacturer and leader in precision drive solutions. Our selection of Hydro-Gear replacement parts can’t be beaten, whether you’re looking for electric drive systems, hydrostatic transmissions, transaxles, gear reduction drives, variable displacement piston pumps, or wheel motors, Mower Parts USA has it! Find the part you’re looking for with our printable PDF diagram, or simply search by category, below.

Diagram Lookup

Find your equipment by model number and view a printable PDF breakdown.  Once you track down your part number search it in the search bar at the top of the page. Need some help? Take a look at our FAQ section for help on finding your model number.

Diagram Lookup

Shop Categories

Maybe you don’t want to head out to the garage again. We get it. If you know your part number, you can plug it in the search bar at any time, or search our huge selection of Hydro-Gear parts by category below. Be careful, it’s easy to get lost in those part numbers!

Shop Categories


Air Filters

107 products

Auger Parts

29 products


318 products


905 products


76 products


167 products


9 products

Control & Throttle Cables

49 products

Covers & Housings

232 products


319 products

Fuel Tanks

38 products

Gas Caps

28 products


550 products

Ignition Coils

30 products

Oil Filters

4 products

Spark Plugs

10 products

Starter Parts

87 products

Tires & Rims

456 products

Wheel Accessories

4 products


72 products

Can’t find what you’re looking for up there? Sorry about that, we may not have everything categorized yet! Jump down the rabbit hole and view our entire stock of Hydro-Gear parts, here. Don’t forget to check our help section for FAQs and tips.