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

Washer 3/8 Splt Lock

Spring washer

Lock washer

Washer,lock

Washer-lock

Washer-lock

Lock washer 3/8" I.D.

Lock washer 1/4" I.D.

Washer-extern l

Washer.5/16

Washer-external lock

Washer-lock

Lock washer, 7/16
Maintain your Ryobi string trimmer's efficiency with genuine OEM lock washer parts from Repair Clinic. These replacement parts are crafted to ensure the manufacturer's warranty is upheld and provide a precise fit for your specific trimmer model. If your trimmer head won't spin or the line won't feed, a faulty lock washer might be the culprit. Secure your trimmer head with confidence by replacing worn-out lock washers with authentic parts. Explore our extensive inventory of Ryobi string trimmer parts online, including lock washers, to keep your equipment in top working condition.
Visit our replacement parts page to order replacement parts online. For more Ryobi-specific components, check out Ryobi String Trimmer Parts. Trust Repair Clinic's expertise and vast selection to support all your DIY repair needs.
If you're having trouble with your Ryobi string trimmer, replacing a lock washer might be the solution. Lock washers are essential for securing various components on your trimmer. Here are some frequently asked questions to guide you through the process.
To replace the lock washer, first ensure the trimmer is turned off and disconnected from power. Use a wrench to remove the bolt or nut where the washer is located, replace the old washer with a new one, and reassemble the parts securely.
You can find genuine Ryobi replacement parts, including lock washers, at Repair Clinic. They offer a wide selection of lawn equipment parts and provide same-day shipping for most items.
A worn or damaged lock washer can lead to loose components, potentially causing the trimmer to malfunction or even pose safety risks. It's crucial to replace faulty parts promptly to maintain the trimmer's performance and safety.
For more detailed parts and solutions, explore Ryobi string trimmer trimmer head parts at Repair Clinic.


Keep your Ryobi string trimmer in prime condition with genuine lock washer replacements. Ordering replacement parts online ensures you receive compatible, high-quality components that fit perfectly. With same-day shipping, you won't have to wait long to get your trimmer back in action. Take advantage of our model number lookup to quickly find the right lock washer for your specific Ryobi model. Enjoy peace of mind with our No-Hassle 365-Day Returns and Price Match Guarantee, ensuring you get the best deal on OEM parts. Common issues with string trimmers, such as the trimmer head not spinning, can often be traced to a faulty lock washer or drive shaft. Regular maintenance and timely replacement of these parts can prevent costly repairs. For more information on troubleshooting and repairs, check out our String Trimmer Repair Help section. Explore additional resources for Ryobi String Trimmer Parts to ensure your equipment runs smoothly.
Locating the model number on your string trimmer is essential for ordering the correct replacement parts, such as lock washers. Typically, the model number is found on a label or metal plate attached to the trimmer, often near the engine or motor housing. Knowing this number allows you to easily search for replacement string trimmer parts, ensuring compatibility and a secure fit. For hassle-free online ordering, enter the model or part number on a parts retailer site to quickly find what you need.
If you need additional parts, check out our page on Ryobi String Trimmer Parts for a wide selection. Properly maintaining your trimmer will prevent common issues like the trimmer head not spinning or the line not feeding. A simple check can pinpoint problems, often resolved by replacing parts like the clutch or ensuring the line is correctly wound on the spool.

Need a lock washer for your Ryobi String Trimmer? Our outstanding customer support team is here to make finding and ordering parts a breeze. Repair Clinic is your go-to source for genuine OEM replacement string trimmer parts, available for order online 24/7. Our dedicated experts offer live chat support, ready to assist you with model and part number lookups. Enjoy our no-hassle 365-day returns and a price match guarantee on all parts. If your string trimmer won't start, the problem might be a faulty spark plug or dirty air filter. Replace these parts with confidence using our easy DIY guides. Our customer service is available seven days a week, ensuring you have all the help you need. For quick support, use our live chat feature. Trust Repair Clinic to help you keep your equipment running smoothly. Discover the ease of online ordering and expert assistance from our team today.

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.