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Key 3/16 sq x 1

Keystock 1/4x2

Key-square

Key 3/16 sq x 1.50

Key-square

Square key, drive pulley
Ensure the optimal performance of your Craftsman pressure washer with genuine OEM square key replacements from Repair Clinic. These essential components are designed to maintain the manufacturer's warranty by providing a precise fit for your specific pressure washer model. A well-functioning square key is crucial for the transfer of power from the engine to the pump, enabling your pressure washer to deliver the necessary pressure for effective cleaning. If your pressure washer won't start or runs rough, a damaged square key could be the culprit. By replacing it with an OEM part, you can restore your equipment's efficiency. Visit our replacement parts page to order replacement parts online. For more specific needs, explore our range of Craftsman Pressure Washer Parts and ensure that your machine operates at peak performance.
Learn how to maintain your Craftsman pressure washer and ensure optimal performance with square key replacement tips and more.
To replace the square key, first turn off the pressure washer and disconnect it from the power source. Remove the pump housing and locate the flywheel. The square key is positioned between the flywheel and crankshaft. Slide out the old key and insert the new one, ensuring it's properly aligned. Reassemble the pump housing and test the washer.
Yes, a worn or damaged square key can lead to engine misalignment, causing performance issues like stalling or rough running. Replacing the key can restore proper function and prevent further damage.
You can purchase genuine Craftsman pressure washer parts from Repair Clinic. They offer a wide selection of parts with a price match guarantee and 365-day return policy. For more Craftsman parts, visit Craftsman Pressure Washer Parts.


Ensure your Craftsman pressure washer operates smoothly with a reliable square key replacement. These essential components secure the flywheel to the crankshaft, preventing engine malfunctions. Ordering your Craftsman pressure washer square key replacement online is simple, offering the convenience of model number lookup to find compatible parts quickly. Benefit from same-day shipping to get your pressure washer up and running without delay. Plus, enjoy peace of mind with our No-Hassle 365-Day Returns and Price Match Guarantee. Visit our Pressure Washer Repair Help page for troubleshooting tips and repair guidance. Additionally, check out our Craftsman Pressure Washer Parts for a comprehensive selection of genuine replacements to address common issues like a pressure washer that won't start or runs rough. Get your Craftsman pressure washer back to peak performance with easy online ordering today.
Finding the model number is crucial for ordering the correct replacement parts, whether you need a Craftsman pressure washer square key replacement or other parts. Typically, the model number is located on a label or plate on the pressure washer. Check the frame, base, or near the motor housing for this label. Once located, use this number to search for pressure washer parts online, ensuring you get the perfect match for repairs. For a broader range of Pressure Washer Parts, explore our extensive catalog.

At Repair Clinic, we are dedicated to helping you find the right replacement parts for your Craftsman Pressure Washer. Our customer service team is available seven days a week, offering live chat support to assist you quickly and efficiently. Whether you're looking for square key replacements or other essential pressure washer parts, our user-friendly model/part number lookup simplifies the process. We ensure a seamless ordering experience and provide expert troubleshooting assistance. Trust in our genuine OEM parts, backed by a price match guarantee and hassle-free 365-day returns. For common issues like a square key failure, make sure to check the flywheel key for wear and replace it with our durable options. Our goal is to support homeowners and professional technicians alike, so feel free to reach out with any questions or for guidance in ordering pressure washer parts online.

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