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Craftsman
Gas Line Trimmer

Model # 257796030 Official Craftsman weed & grass trimmer

Here are the diagrams and repair parts for Official Craftsman 257796030 weed & grass trimmer, as well as links to manuals and error code tables, if available.

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Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 74 parts  |
Line 85772

#NI

All parts diagram

Line

Part #85772

Replaced by #85604

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Manufacturer substitution
This part replaces 85772. Substitute parts can look different from the original.

Get free shipping with Automatic Reorder

$12.29 | 
14% OFF Phone Price : $14.29
In Stock
Lock Nut 2359-1
#29

Drive shaft and head assembly diagram

Lock nut

Part #2359-1

Replaced by #530403094

?
Manufacturer substitution
This part replaces 2359-1. Substitute parts can look different from the original.
This item is not returnable
$5.54
In Stock
Spool Line 4868-05
Spool line

Part #4868-05

The manufacturer no longer makes this part, and there's no substitute part

Handle R.h./l.h. 6787-25
#4

Drive shaft and head assembly diagram

Handle r.h./l.h.

Part #6787-25

The manufacturer no longer makes this part, and there's no substitute part

Retainer 4874-2
Retainer

Part #4874-2

The manufacturer no longer makes this part, and there's no substitute part

Retaining Ring 747-2
Retaining ring

Part #747-2

The manufacturer no longer makes this part, and there's no substitute part

Retaining Ring 2487
#53

Drive shaft and head assembly diagram

Retaining ring

Part #2487

The manufacturer no longer makes this part, and there's no substitute part

Adapter 5899
Adapter

Part #5899

The manufacturer no longer makes this part, and there's no substitute part

Handle 6834-05
Handle

Part #6834-05

The manufacturer no longer makes this part, and there's no substitute part

Guard 6772-05
Guard

Part #6772-05

The manufacturer no longer makes this part, and there's no substitute part

Symptoms for gas line trimmers

Choose a symptom to see related grass line trimmer repairs.

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Why does my gas line trimmer run rough?

Main causes: stale fuel, clogged fuel filter, faulty spark plug, clogged air filter, cracked fuel lines, clogged carbure…

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Why won't my gas line trimmer start?

Main causes: stale fuel, cracked fuel lines, dirty carburetor, bad spark plug, worn piston rings…

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Why does my gas line trimmer leak gas?

Main causes: cracked fuel lines, bad carburetor seals, leaky fuel tank cap, damaged fuel tank…

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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.

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How to rebuild a line trimmer carburetor

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…

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer carburetor

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 …

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Repair difficulty
Time required
 15 minutes or less
How to replace a line trimmer fuel line

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…

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Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas line trimmers

Use the advice and tips in these articles and videos to get the most out of your grass line trimmer.

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Solving 3 common problems with line trimmer cutting lines

Solving 3 common problems with line trimmer cutting lines

Follow these tips to prevent the cutting line on your grass line trimmer from breaking or feeding out too much or too li…

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How to replace a line trimmer fuel line video

How to replace a line trimmer fuel line video

Follow the steps in this video to replace a leaking fuel line in a line trimmer.…

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