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

Small engine primer bulb with hose, large diameter. If the engine does not start the primer bulb may be defective and unable to draw additional fuel in to the carburetor to assist with starting the engine.

Bulb-primer
When it comes to maintaining your Troy-Bilt String Trimmer, using genuine OEM primer bulb replacements from Repair Clinic ensures optimal performance and longevity. These high-quality replacement String Trimmer parts are designed to deliver a precise fit, preserving your equipment's manufacturer warranty. A faulty primer bulb can lead to starting issues or rough operation of your trimmer. By choosing OEM parts, you can address common problems like a String Trimmer that won't start due to old fuel or a clogged carburetor. Trust Repair Clinic's extensive inventory to find the right primer bulb for your model and order replacement parts from our replacement parts page today. For more options, explore our Troy-Bilt String Trimmer Parts and keep your trimmer running smoothly.
Explore solutions and tips for replacing the primer bulb on your Troy-Bilt string trimmer. Ensure smooth operation by addressing common issues with genuine replacement parts.
Start by locating the primer bulb on the carburetor. Remove the air filter cover, then remove the screws holding the carburetor to access the primer bulb. Swap the old bulb for a new one and reassemble the parts.
A faulty primer bulb can be due to cracks or wear. If the bulb doesn't fill with fuel, check for leaks or blockages in the fuel line. Replacing the bulb with a genuine Troy-Bilt replacement can resolve the issue.
Purchase genuine Troy-Bilt string trimmer parts online at Repair Clinic. We offer a wide selection of lawn & garden equipment parts, including primer bulbs, with same-day shipping and a 365-day return policy.
For more detailed parts like trimmer heads, visit our Craftsman String Trimmer Trimmer Head Parts page.


Ensure your Troy-Bilt string trimmer is always ready for action with genuine replacement primer bulbs. A functional primer bulb is essential for quick and reliable starts, preventing fuel issues that can lead to engine troubles. Our user-friendly online platform offers a seamless experience for locating the exact Troy-Bilt primer bulb you need. Benefit from same-day shipping to get your equipment back in working order swiftly. Take advantage of our model and part number lookup tool for effortless identification of compatible parts. Enjoy peace of mind with our No-Hassle 365-Day Returns and Price Match Guarantee, ensuring you receive the best value. For additional guidance, explore our String Trimmer Repair Help section, offering expert advice and troubleshooting tips. Secure your Troy-Bilt string trimmer primer bulb today and maintain your equipment's peak performance with ease.
To ensure you're ordering the correct replacement parts for your Troy-Bilt String Trimmer, it's essential to locate the model number. Typically, you can find this number on a label or sticker on the trimmer's engine housing or shaft. Having the model number handy allows you to easily search for Troy-Bilt String Trimmer primer bulb replacements online. With precise model or part number lookup, you can swiftly order the exact replacement parts you need, ensuring quick repairs and minimal downtime. Keep your trimmer in top shape by replacing worn-out parts with genuine Troy-Bilt replacements.
For other repair needs, visit our comprehensive selection of Ryobi String Trimmer Parts to find high-quality components for your equipment.

At Repair Clinic, we're dedicated to helping you find the right replacement parts for your Troy-Bilt String Trimmer, including primer bulbs and more. Our customer service team is available seven days a week to ensure you can confidently order genuine OEM parts online. Utilize our live chat for quick support or explore our user-friendly model/part number lookup tool for hassle-free ordering. Experience the ease of our no-hassle 365-day returns and price match guarantee. For common problems like a String Trimmer that won't start due to a faulty spark plug or clogged carburetor, we offer detailed troubleshooting advice and access to easy-to-follow repair guides. Remember, a dirty air filter or old fuel might also be the culprits. Replace parts like the air filter or spark plug with confidence. Trust Repair Clinic to empower your DIY repair journey and save time and money. Visit our website for more details.

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.