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Popular MTD String Trimmer Parts

Fuel Return Line – Part Number: 791-181086
Your Price
$5.21
Fuel Return Line
(2)
PartSelect Number PS9137685
Manufacturer Part Number 791-181086
The OEM fuel return line, or fuel return tube, is a clear plastic line that returns fuel from the primer bulb back into the fuel tank of your engine. You will know your fuel return line is in need of replacement if cracks or leaks have begun appearing, and fuel is leaking from your carburetor. This part is sold individually, and you will know if it is right for your engine by checking your model number or owners manual. One end of the line will attach to the primer bulb, and the other to the fuel tank; make sure all fuel lines are tight when completing this repair, to prevent leaks and fire hazard risks. Most customers rated this repair as easy.
Fixes these symptoms
No Symptoms for this part
Installation Instructions
Howard from NEWBURGH, IN says,

Dry rot hoses
Took off old and new parts went right in place....read more

Bump Head Knob Assembly – Part Number: 791-153066B
Your Price
$11.82
Bump Head Knob Assembly
(2)
PartSelect Number PS9306452
Manufacturer Part Number 791-153066B
This genuine bump head knob assembly, sometimes known simply as the bump head, is black and approximately 2 inches long. Sold individually, this plastic part releases the cutting line. Over time, this part may break due to wear, and you will know it is broken because it will completely stop functioning. A troubleshooting tip is to tap the part on theg round to see if the cutting line advances. This is an easy repair to make, and does not require any tools. You will need to look for the bump head attachment point on the bottom of the cutting head assembly.
Fixes these symptoms
No Symptoms for this part
Hex L-Nut 5/16-18 Thd. – Part Number: 912-0429
Your Price
$2.99
Hex L-Nut 5/16-18 Thd.
PartSelect Number PS9164534
Manufacturer Part Number 912-0429
Fixes these symptoms
No Symptoms for this part
Fuel Line and Filter – Part Number: 791-682039
Your Price
$11.67
Fuel Line and Filter
(1)
PartSelect Number PS10014709
Manufacturer Part Number 791-682039
This OEM fuel line and filter supply fuel from the tank of your engine to its carburetor. Made of clear plastic and sold individually, the fuel line may end up clogged or cracked, causing fuel to leak as a result of general wear and tear. The filter may also end up damaged or clogged over time, and shold be replaced regularly as a part of proper engine maintenance. Luckily, this is an easy repair that requires no tools to carry out.
Fixes these symptoms
No Symptoms for this part
Installation Instructions
Howard from NEWBURGH, IN says,

Dry rot hoses
Took off old and new parts went right in place....read more

Primer and Hose Assembly – Part Number: 791-683974B
Your Price
$15.64
Primer and Hose Assembly
PartSelect Number PS10014772
Manufacturer Part Number 791-683974B
This manufacturer-certified primer and hose assembly includes the primer bulb, the primer bulb housing, and the fuel line. Any or all of the clear plastic parts in this assembly may experience wear and tear over time that cause fuel to leak due to cracking or blockages. If they are not functioning, these parts will fail in their function of supplying fuel from the tank to the carburetor. This is an easy repair, which can be made by identifying the location of the parts, between the fuel tank and the carburetor, and reinstalling them with no special tools required. When installing, make sure the fuel lines are tight to prevent leaks and fire hazards.
Fixes these symptoms
No Symptoms for this part
Lawn Mower Ground Drive Belt – Part Number: 954-04032B
Your Price
$15.31
Lawn Mower Ground Drive Belt
(1)
PartSelect Number PS9172714
Manufacturer Part Number 954-04032B
3/8 x 36-1/8-inch This ground drive belt (part number 954-04032B) is for lawn mowers. Ground drive belt 954-04032B drives the transmission, which propels the lawn mower wheels. Wear work gloves to protect your hands when installing this part.
Fixes these symptoms
No Symptoms for this part
Washer-Lock 5/16 – Part Number: 936-0119
Your Price
$3.99
Washer-Lock 5/16
PartSelect Number PS9311087
Manufacturer Part Number 936-0119
This Washer-Lock 5/16 is a silver, metal part that is sold individually and comes direct from the manufacturer. With a 5/16 Inch Interior Diameter and 1/2 Inch Outside Diameter, it is used to prevent the nut from backing off and becoming loose on the pulley shaft, and is attached to the drive belt pulley assembly. You will know if you need this because your owners manual will specify it, or the model number of your machine will correspond with this part. If the part is broken due to fatigue, the shafts will free spin when they should be locked together, and must be replaced.
Fixes these symptoms
No Symptoms for this part
Carburetor – Part Number: 753-06190
Your Price
$24.91
Carburetor
(3)
PartSelect Number PS9119300
Manufacturer Part Number 753-06190
It is an authentic manufacturer-sourced replacement part that i supplied for Craftsman trimmers. The function of a carburetor is to mix the air and the gas into a highly combustible mix before it goes into the engine, over time components may wear out eventually requiring a replacement to ensure peak performance. It is a high-quality metal body carburetor with included rubber primer bulb, please note this assembly is sold individually. When replacing a carburetor it is advised to replace the gaskets as well to ensure the proper seal, keep in mind gaskets are sold separately.
Fixes these symptoms
Will Not Start


Installation Instructions
William from PALMETTO, FL says,

Carburetor replacement
Removed 2 screws securing the air cleaner and carburetor to the engine using a T25 Torx driver. then removed the throttle cable from the carb.Then removed the o ring gasket from the engine and replace...read more

Line Trimmer Spool – Part Number: 753-1155
Your Price
$19.11
Line Trimmer Spool
(1)
PartSelect Number PS9119496
Manufacturer Part Number 753-1155
This spool is for line trimmers. Spool houses the cutting line and fits inside the cutting head to cut grass and weeds. Wear work gloves to protect your hands when installing this part.
Fixes these symptoms
No Symptoms for this part
Bearing .62&#34 I.D. x 1.38&#34 O.D. x .437&#34 Thk. – Part Number: 941-0155
Your Price
$17.33
Bearing .62" I.D. x 1.38" O.D. x .437" Thk.
PartSelect Number PS9167498
Manufacturer Part Number 941-0155
This authentic OEM bearing measures 0.62 inches inside diameter, and 1.38 inches outside diameter, and is 0.436 inches thick. Silver and balck in color and sold individually, the bearing is comprised of steel and rubber. This bearing allows the input shaft to rotate freely inside the gear box, and over time can become worn or damaged. You will know your bearing is damaged if it is making a growling, grinding, or squealing sound. This is an easy repair, and requires a bearing puller tool to carry out. Locate the bearing inside the gear box on each end of the input shaft, ensuring you have confirmed this is the part you need by verifying your model number or using your owners manual.
Fixes these symptoms
No Symptoms for this part