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Craftsman 257798040 weed & grass trimmer Parts

Here are the diagrams and repair parts for Craftsman 257798040 weed & grass trimmer, as well as links to manuals and error code tables, if available.

Craftsman 257798040 weed & grass trimmer
By Schematic
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Browse Parts for 257798040 Line Trimmers

  • Insert for Craftsman 257798040 - Part 7191-05

    Drive shaft and head assembly diagram

    Insert

    Part #7191-05

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

  • Tube for Craftsman 257798040 - Part 6962

    Drive shaft and head assembly diagram

    Tube

    Part #6962

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

  • Screw for Craftsman 257798040 - Part 7747-1

    Drive shaft and head assembly diagram

    Screw

    Part #7747-1

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

  • Harness for Craftsman 257798040 - Part 7981

    Drive shaft and head assembly diagram

    Harness

    Part #7981

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

  • Pivot for Craftsman 257798040 - Part 6777-05

    Drive shaft and head assembly diagram

    Pivot

    Part #6777-05

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

  • Field Assembly for Craftsman 257798040 - Part 2270-1

    Motor assembly diagram

    Field Assembly

    Part #2270-1

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

  • Tube for Craftsman 257798040 - Part 6828-1

    Drive shaft and head assembly diagram

    Tube

    Part #6828-1

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

  • Guard for Craftsman 257798040 - Part 6852-25

    Drive shaft and head assembly diagram

    Guard

    Part #6852-25

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

  • Trigger for Craftsman 257798040 - Part 6780-04

    Drive shaft and head assembly diagram

    Trigger

    Part #6780-04

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

  • Spring for Craftsman 257798040 - Part 6792

    Drive shaft and head assembly diagram

    Spring

    Part #6792

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

Most common symptoms to help you fix your line trimmers

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…

Effective articles & videos to help repair your line trimmers

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Line trimmer: Preventing fuel vapor lock in hot summer conditions

Vapor lock can stop your trimmer cold in summer heat. Learn how to prevent it and keep your lawn looking sharp…

Straight shaft vs curved shaft trimmers: What’s the difference?

Straight shaft vs curved shaft trimmers: What’s the difference?

Trying to decide between a straight shaft and curved shaft trimmer? This guide compares both designs to help you underst…

Can you cut grass with a weed whacker?

Can you cut grass with a weed whacker?

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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