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Fuel line. The fuel line allows fuel to travel from the fuel tank to the carburetor and from the primer bulb to the fuel system. If the fuel line is leaking, replace it.

Line fuel return

Fuel line kit

.25 inner diameter .50 outer diameter

Hose-fuel low permeation
Ensure your Troy-Bilt string trimmer runs smoothly with genuine OEM fuel line parts from Repair Clinic. Our replacement fuel line parts are designed to help support proper fit and performance and deliver a precise fit for your specific trimmer model. A faulty or cracked fuel line can lead to leaks and performance issues. By using genuine Troy-Bilt replacement parts, you can prevent these problems and extend the life of your equipment. Visit our replacement parts page to order the parts you need, or browse other Troy-Bilt string trimmer parts to keep your machine in top condition.
Need help with your Troy-Bilt String Trimmer fuel line replacement? Find essential information here to ensure your trimmer operates smoothly.
To replace the fuel line, first ensure the trimmer is off and cool. Remove the fuel tank cap and drain any remaining fuel. Disconnect the old fuel lines from the carburetor and tank, noting their positions. Install new lines, ensuring they are securely connected. Refill the tank with fresh fuel before starting the trimmer.
Common signs include fuel leaks, cracks, or brittleness in the line. A faulty fuel line may also cause the trimmer to stall, have difficulty starting, or run rough due to improper fuel flow.
You can purchase genuine Troy-Bilt fuel line parts at Repair Clinic, a trusted retailer for Troy-Bilt String Trimmer Parts. They offer a price match guarantee and a 365-day return policy, helping you shop with confidence and support.


Keep your Troy-Bilt string trimmer running smoothly by ordering genuine fuel line replacement parts online. We offer a wide selection of Troy-Bilt string trimmer parts, ensuring compatibility and quality. With same-day shipping, you can quickly receive the parts you need to get your trimmer back in action. Utilize our model number lookup to easily find the exact fuel line replacement for your trimmer. Benefit from our No-Hassle 365-Day Returns and Price Match Guarantee to ensure you get competitive pricing. Common issues such as a string trimmer running rough or stalling can often be traced back to faulty fuel lines. By replacing worn or damaged fuel lines, you can restore optimal performance to your equipment. Visit our Troy-Bilt String Trimmer Parts page for more related items. For more tips on maintaining your trimmer, check out our String Trimmer Repair Help section.
On Troy-Bilt string trimmers, look for the model number on a label attached to the main housing near the engine or along the shaft. Some models place the identification label near the rear handle, so check both areas and clear away dirt or grass if needed. The model number may appear alongside the serial number, but enter the complete model number, including letters and numbers. Type it into our model number lookup and the catalog narrows to parts made for your unit. This filters the full Troy-Bilt string trimmer parts selection, not just fuel lines, to parts matched to your exact model. You get parts that fit the first time.

Troy-Bilt String Trimmer problems usually trace back to a handful of common causes, and Repair Clinic's online resources help you find them fast. Symptom articles, diagnostic videos, and part testing walkthroughs guide you through the checks that isolate the failed part. Once identified, look it up by model number and follow the installation guide to complete the fix.

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