Find the right part faster
Multiple models matched. Select your model to confirm fit.

Key-hi-pro

Woodruff key

Key-woodruff

Key-woodruff

Woodruff Key. Aligns the timing gear on the crankshaft
Ensure your MTD String Trimmer operates at peak performance with genuine OEM Woodruff Key parts from Repair Clinic. These specific replacement String Trimmer parts are engineered to maintain the manufacturer's warranty, guaranteeing a precise fit for your model. The Woodruff Key is essential for securing the rotating components of your trimmer, enabling efficient power transmission. If your trimmer head won't spin, a damaged Woodruff Key may be the culprit. By choosing genuine replacement weed eater parts, you ensure reliability and longevity. Visit our replacement parts page online for same-day shipping and expert guidance. For other MTD String Trimmer needs, explore our extensive inventory of Dolmar String Trimmer Parts to complete your repair projects with confidence.
The Woodruff key is an important component in MTD string trimmers, ensuring the proper functioning of the engine. If you're experiencing issues with your trimmer, such as it not starting or the head not spinning, a faulty Woodruff key might be the culprit.
If your MTD string trimmer won't start, or if the trimmer head won't spin, inspect the Woodruff key. Look for signs of wear or damage. Replacing it with a genuine OEM part can resolve these issues effectively.
You can find a wide selection of MTD string trimmer parts, including Woodruff keys, at Repair Clinic's lawn equipment parts section. Repair Clinic offers genuine OEM parts with a price match guarantee and fast shipping.
First, disconnect the spark plug for safety. Remove the trimmer head and housing to access the flywheel. Align the flywheel with the Woodruff key slot on the crankshaft, then install the new key. Reassemble the parts and test the trimmer. For more detailed guidance, refer to Repair Clinic's resources or your trimmer's manual.
For additional support, visit Repair Clinic for Craftsman string trimmer parts and more.


Ensure your MTD string trimmer operates smoothly with genuine Woodruff key replacement parts. These small but vital components are essential for maintaining proper engine function. Ordering online is a breeze, allowing you to quickly find the exact Woodruff key needed using our model or part number lookup. With same-day shipping, you can have your replacement parts delivered promptly, minimizing downtime. Plus, our No-Hassle 365-Day Returns policy and Price Match Guarantee ensure satisfaction and value. If your string trimmer won't start or runs rough, the Woodruff key might be the culprit. Replace it with a reliable part to get back to work efficiently. For more information on tackling common issues like a trimmer that starts then stalls, visit our String Trimmer Repair Help page. For a full selection of MTD string trimmer parts, check our MTD String Trimmer Parts section.
Locating the model number of your string trimmer is crucial for ordering the correct replacement parts like the Woodruff Key. Typically, the model number is found on the engine housing, near the recoil starter, or on a label along the shaft. Once identified, use this model number to easily find replacement string trimmer parts online, ensuring compatibility and a smooth repair process. Our site offers a simple model/part number lookup for quick access to the parts you need, including the MTD String Trimmer Woodruff Key Replacement. For additional parts like Echo String Trimmer Carburetor Parts, explore our extensive catalog for efficient repairs.

At Repair Clinic, we are committed to helping you find the perfect replacement parts for your string trimmer. Whether you need a new Woodruff Key for your MTD model or other string trimmer parts, our customer service team is here to assist you seven days a week. Use our intuitive model/part number lookup to easily identify the parts you need. For quick support, take advantage of our live chat feature, where our dedicated team is ready to help you with expert troubleshooting and order placement. We offer genuine OEM parts and provide a no-hassle 365-day return policy. Access our DIY-friendly repair guides and videos to confidently tackle repairs. Common issues like your trimmer not starting or the head not spinning can be resolved by replacing the spark plug, carburetor, or clutch assembly. Trust Repair Clinic for all your string trimmer part needs and enjoy our price match guarantee, ensuring the best value for your purchase. For more information, visit Repair Clinic.

Learn the correct way to replace your string trimmer line for optimal performance. Follow these simple steps to ensure smooth trimming and prevent frustrating tangles or breakage.

Is your string trimmer head not spinning? Common causes include a worn drive shaft, faulty clutch, broken trimmer head, or tangled line. Diagnose and fix the issue with these expert tips.

A faulty spark plug can cause engine misfires, hard starts, rough idling, or power loss. Learn how to recognize bad spark plug symptoms and when to replace them for smooth operation.