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$1.90

Primer bulb. The primer bulb draws fuel into the carburetor to make the engine easier to start.

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$3.66

Small engine primer bulb. The primer bulb draws additional fuel into the carburetor to help start the engine.

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$3.36

Champion spark plug (RCJ6Y). The spark plug ignites the fuel and air mixture in the engine's cylinder to power the engine. If the spark plug is has fouled (if the tip of the spark plug is burnt or damaged), the engine may not start or may run rough.

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$2.63

Walbro primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.

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$5.67

Air filter. If the air filter is clogged or dirty, the engine may not start or may run rough.

$14.39

Fuel tank assembly. This part includes a new tank, fuel line, fuel filter, and cap.

$1.37

If the air filter is clogged or dirty, the engine may not start or may run rough.

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$1.95

Homelite fuel filter. If the fuel filter is clogged, it will restrict the flow of fuel to the carburetor. As a result, the engine may not start.

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$26.52

Carburetor for two-cycle engine. If the carburetor is clogged, the engine won't get enough fuel. As a result, the engine may not start or may run rough. The carburetor can often be cleaned or rebuilt, but sometimes it may need to be replaced.

$17.42

String trimmer bump knob (or spool retainer) with left-hand threads. Color: red.

$19.28

String trimmer bump knob (or spool retainer). Color: black. This part is equipped with right-hand threads.

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Quality Homelite String Trimmer Parts From Repair Clinic

Homelite string trimmers, like the popular Homelite UT33650 straight shaft gas model, make it easy to put the finishing touches on a well-maintained yard by cutting back grass and weeds around trees, edging, and other areas difficult to reach. But if a faulty ignition coil or a damaged trimmer head has grounded your trimmer, Repair Clinic has the fix. We stock the specific replacement parts that fit your Homelite product, including engine components from Zama and Walbro, along with the right fuel tank, bump knob, throttle trigger and cable to put your string trimmer back into action. Just enter the full model number of your Homelite string trimmer into our website’s search bar to find a complete list of compatible parts. You can narrow that list down to the exact part you need by using the part category and part title filters. Having trouble identifying the right part? Reach out to our Customer Service Team for help - 1-800-269-2609.

Repair Clinic believes we all have a little DIY in our DNA. While you’re here, take a look at some of our repair help videos, articles, and model-specific schematics to learn how easy it can be to fix your outdoor power equipment, appliances, and heating and cooling products yourself. With support from Repair Clinic, the confidence you gain will be matched by the money you save.