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

Combination spark plug tool

Spark plug wrench 5/8" and 3/4"

Spark plug wrench 3/4" and 13/16"
Ensure your MTD string trimmer operates at peak performance with a genuine OEM spark plug wrench from Repair Clinic. These specialized tools are designed to fit your specific MTD model, allowing for efficient maintenance and spark plug replacement. Using the correct wrench helps maintain your trimmer's manufacturer warranty and ensures a precise fit, supporting the longevity and effectiveness of your equipment. If your string trimmer won't start or runs rough, it may be time to inspect and replace the spark plug with a high-quality part. For a comprehensive selection of string trimmer repair parts, visit our replacement parts page. Explore more Echo string trimmer parts to keep your equipment running smoothly.
Find answers to common questions about using the MTD String Trimmer Spark Plug Wrench and other string trimmer parts.
The MTD String Trimmer Spark Plug Wrench is designed to remove or install spark plugs in your MTD string trimmer. It ensures a proper fit and prevents damage to the spark plug or cylinder head.
If your string trimmer won't start, runs rough, or stalls, a faulty spark plug might be the cause. Inspect the spark plug for damage or wear, and replace it if necessary to restore optimal performance.
Yes, Repair Clinic offers a price match guarantee on all genuine OEM replacement parts, including the MTD Spark Plug Wrench. We will match qualifying competitors' prices, ensuring you get the best value.
Visit our lawn & garden equipment parts page for a wide selection of string trimmer parts. For related parts, explore our Troy-Bilt string trimmer parts page.


Ensure your MTD string trimmer operates at peak performance by having the right spark plug wrench on hand. Ordering replacement MTD spark plug wrench parts online is straightforward and quick. With our same-day shipping, your parts will arrive promptly, allowing you to tackle repairs without delay. Our Price Match Guarantee ensures you get the best deal on genuine MTD parts, and our No-Hassle 365-Day Returns provide peace of mind. Easily find the correct part using your string trimmer's model or part numbers. For guidance on fixing common string trimmer issues, such as a trimmer that won't start or stalls, visit our String Trimmer Repair page. For more MTD parts, check out our MTD String Trimmer Parts section. Repair Clinic empowers both DIYers and professionals with reliable parts and resources to keep their equipment in top condition.
When replacing the spark plug in your MTD string trimmer, locating the correct model number is crucial. This number is typically found on the engine housing or near the recoil starter. Identifying this helps you find the appropriate replacement string trimmer parts online. Once you have the model number, you can easily order the correct spark plug and other weed eater replacement parts. If your trimmer won't start, replacing the spark plug could resolve the issue. Additionally, consider checking the air filter and using fresh fuel to ensure optimal performance. For more parts, visit our Stihl String Trimmer Spark Plug Parts page for further assistance.

Need help finding the right MTD String Trimmer parts? Our dedicated customer service team is available seven days a week, ready to assist you with any questions. Utilize our user-friendly model/part number lookup to easily locate the exact replacement part you need, whether it's a spark plug wrench or any other component. Enjoy peace of mind with our no-hassle 365-day returns and price match guarantee on genuine OEM parts. If your String Trimmer won't start, consider replacing the spark plug or cleaning the carburetor. For quick support, take advantage of our live chat feature to connect with an expert instantly. Trust Repair Clinic for all your String Trimmer repair needs and experience the ease of ordering parts online with confidence. Remember, a well-maintained trimmer ensures smooth operation, so don't hesitate to reach out for troubleshooting assistance or to order genuine replacement parts 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.