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Toro 51974 (310000001 AND UP) trimmer Parts
Here are the diagrams and repair parts for Toro 51974 (310000001 AND UP) trimmer, as well as links to manuals and error code tables, if available.
By Schematic
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Browse Parts for 51974 (310000001 AND UP) Line Trimmers
Trimmer head/straight shaft/guard diagram
Adapter
Part #678019003Replaced by #678019001
Manufacturer substitutionThis part replaces 678019003. Substitute parts can look different from the original.This item is not returnableIn Stock$2.89
Qty
Muffler/carburetor/fuel tank/housing diagram
Spark Plug
Part #870174001Replaced by #870174002
Manufacturer substitutionThis part replaces 870174001. Substitute parts can look different from the original.In Stock$28.70QtyTrimmer head/straight shaft/guard diagram
Screw (10-
Part #660736001Replaced by #983774003
Manufacturer substitutionThis part replaces 660736001. Substitute parts can look different from the original.This item is not returnableIn Stock$2.16QtyMuffler/carburetor/fuel tank/housing diagram
Screw, M6
Part #6635301
The manufacturer no longer makes this part, and there's no substitute part
Muffler/carburetor/fuel tank/housing diagram
Line Trimmer Recoil Starter Assembly
Part #308430001
The manufacturer no longer makes this part, and there's no substitute part
Muffler/carburetor/fuel tank/housing diagram
Screw
Part #660344003
The manufacturer no longer makes this part, and there's no substitute part
Muffler/carburetor/fuel tank/housing diagram
Ignition
Part #290178006
The manufacturer no longer makes this part, and there's no substitute part
Powerhead/upper shaft/handle diagram
Screw 8-1
Part #660669001
The manufacturer no longer makes this part, and there's no substitute part
Powerhead/upper shaft/handle diagram
Nut
Part #81068
The manufacturer no longer makes this part, and there's no substitute part
Trimmer head/straight shaft/guard diagram
Storage En
Part #518019002
The manufacturer no longer makes this part, and there's no substitute part
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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