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Homelite UT20773 trimmer/brushcutter Parts
Here are the diagrams and repair parts for Homelite UT20773 trimmer/brushcutter, as well as links to manuals and error code tables, if available.
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Browse Parts for UT20773 Line Trimmers
Flex Shaft
In Stock$36.16
Qty
Air Filter
In Stock$25.22QtyHandle
In Stock$18.20QtyEngine internal diagram
Gasket
In Stock$26.06QtyShaft/spool/string/grass deflector diagram
Shaft
Part #UP04891Replaced by #UP04891A
Manufacturer substitutionThis part replaces UP04891. Substitute parts can look different from the original.In Stock$45.09QtyWing Nut
Part #UP04893Replaced by #PS02453
Manufacturer substitutionThis part replaces UP04893. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16QtyShort Block
Part #UP02994Replaced by #984525001
Manufacturer substitutionThis part replaces UP02994. Substitute parts can look different from the original.In Stock$111.38QtyHead Spring
Part #UP06526Replaced by #06713
Manufacturer substitutionThis part replaces UP06526. Substitute parts can look different from the original.In Stock$25.57QtyShaft/spool/string/grass deflector diagram
Washer
Part #UP04129Replaced by #04409
Manufacturer substitutionThis part replaces UP04129. Substitute parts can look different from the original.This item is not returnableIn Stock$2.74QtyAir Baffle
Part #UP03013Replaced by #PS00326
Manufacturer substitutionThis part replaces UP03013. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16Qty
Most common symptoms to help you fix your line trimmers
Choose a symptom to see related grass line trimmer repairs.
Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…
Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…
Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…
Repair guides for gas line trimmers
These step-by-step repair guides will help you safely fix what’s broken on your grass line trimmer.
How to replace a line trimmer fuel line
The fuel line on a grass line trimmer deteriorates with time and eventually can split or crack. You can replace it yours…
Repair time and Difficulty
15 minutes or less
How to replace a line trimmer carburetor
If the line trimmer won't start even though there's fuel in the tank, the carburetor could be the problem. Follow these …
Repair time and Difficulty
15 minutes or less
How to rebuild a line trimmer carburetor
If the line trimmer engine won't start even though there's fuel in the tank, the carburetor could be the problem. Follow…
Repair time and Difficulty
15 minutes or less
Effective articles & videos to help repair your line trimmers
Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.
Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…
Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…
Wondering if your weed whacker can pick up the slack for your broken lawn mower? You're not alone. In this guide, we bre…
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