The hydraulic power unit, or HPU, on your Boss 4ft or 5ft ATV/UTV Straight Blade is made up of hydraulic pumps, hydraulic pump motor, seal kits, relief valves and filler caps that not only allow you to have a proper flow of hydraulic fluid throughout all hydraulic components, but also have precise stopping power and overall force of your snow plow. Purchase replacement parts such as the hydraulic pump or pump motor if you are having large issues, or the seal kit and relief valve if you only need to replace certain parts on your HPU. Get your parts fast!

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