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

Switch-seat spring
For those in need of replacement actuator springs for their MTD String Trimmers, Repair Clinic offers genuine OEM parts designed to maintain your equipment's warranty and ensure a precise fit for your specific model. Our selection of actuator springs is crafted to meet the original manufacturer's specifications, providing reliable performance for your weed eater or weed wacker. If your string trimmer isn't functioning as smoothly as it should, a replacement actuator spring could be the solution. Visit our replacement parts page to order the parts you need. For additional MTD String Trimmer parts, explore our range of Craftsman String Trimmer parts. Ensure your string trimmer is always ready for action with Repair Clinic's genuine OEM parts.
Find solutions to common issues and tips for replacing the actuator spring in your MTD string trimmer.
First, ensure the trimmer is turned off and unplugged. Remove the trimmer head cover to access the actuator spring. Carefully detach the old spring and replace it with a new one, ensuring it is secured properly before reassembling the trimmer.
If your string trimmer head does not engage or disengage properly, or if it fails to maintain tension, these could be signs that the actuator spring is worn or damaged and needs replacing.
Repair Clinic offers a wide selection of genuine MTD string trimmer parts, including actuator springs. Enjoy same-day shipping and a 365-day return policy on all purchases. Visit lawn equipment parts to find what you need.
For more detailed repair guides and parts, check our page for Stihl String Trimmer Parts.
Common issues with string trimmers include the trimmer head not spinning or the line not feeding properly. Consider checking the clutch, drive shaft, or trimmer head for faults, and replace them if necessary.


Ensure your MTD string trimmer operates at its best with genuine actuator spring replacement parts. Easily find compatible parts online by using your model or part number. Enjoy the convenience of same-day shipping, ensuring you receive your parts quickly. Our no-hassle 365-day returns and price match guarantee offer peace of mind, knowing you're getting the best deal. Common issues such as a string trimmer that won't start or runs rough can often be resolved by replacing faulty components like the actuator spring. For more comprehensive repair guidance, visit our String Trimmer Repair Help page. Explore our resources for troubleshooting tips and step-by-step repair guides to keep your equipment in top condition.
Finding the model number is crucial for ordering the right replacement parts for your string trimmer, such as actuator springs. Check the engine housing, near the recoil starter, or on the handle for a label displaying the model number. This number is essential for looking up parts online, ensuring you get the precise replacement for your string trimmer. Our website offers easy model number lookup, allowing you to find exact replacement parts swiftly. With our user-friendly ordering system, you can order string trimmer parts online with confidence, knowing they're genuine OEM parts. For more information on other string trimmer parts, visit our page on Toro String Trimmer Parts.

At Repair Clinic, we're committed to providing top-notch customer service for all your String Trimmer parts needs, including replacement actuator springs. Our expert support team is available seven days a week to assist you with finding genuine OEM replacement parts for your string trimmer. Whether you're dealing with a string trimmer that won't start due to a faulty spark plug or a trimmer head that won't spin because of a broken clutch, our live chat feature offers quick solutions. Take advantage of our user-friendly model/part number lookup to effortlessly locate the right parts. Enjoy our no-hassle 365-day returns and price match guarantee on all purchases. Trust our DIY-friendly repair guides and videos to help you tackle common issues such as clogged carburetors or tangled trimmer lines. Reach out with any questions and let us help you maintain your equipment confidently.

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.