See part M-8 in the diagram

Valve, throttle 520978601

$6.47

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This part works with the following brands:

This part works with the following products:

Part# 520978601 replaces these:

5209786-01, 520978601, 5740127-01, 574012701,

This part works with the following models:

ERP Number: ERP8999603
Manufacturer Part Number: 520978601

Brand	Model Number	Description
Husqvarna	325HE3	Hedge Trimmer - 325 He3 (966787601 From 20150100001-Current)
Husqvarna	325HE4	Hedge Trimmer - 325 He4 (966787701 From 20150100001-Current)
Husqvarna	439	Chainsaw - 439
Husqvarna	445E	Chainsaw - 445 E (20103600001-20112700000)
Husqvarna	524L	Trimmer - Trimmer
Husqvarna	525DEPSMADSAW	Pole Saw - 525deps Madsaw
Husqvarna	525ECS	Edger - 525 Ecs
Husqvarna	525ES	Trimmer - Trimmer
Husqvarna	525HF3S	Trimmer - Hedge Trimmer
Husqvarna	525L	Brush Cutter - 525 L (2013-03)
Husqvarna	525LK	Brush Cutter - 525 Lk (2013-03)
Husqvarna	525LS	Trimmer - Husqvarna String Trimmer Model 525LS Parts
Husqvarna	525LST	Trimmer - Husqvarna String Trimmer Model 525LST Parts
Husqvarna	525P4S	Pole Saw - Pole Pruner
Husqvarna	525P5S	Pole Saw - Pole Pruner
Husqvarna	525PT5S	Pole Saw - Pole Pruner
Husqvarna	525RJD	Trimmer - Husqvarna String Trimmer Model 525RJD Parts
Husqvarna	525RJX	Trimmer - Husqvarna String Trimmer Model 525RJX Parts
Husqvarna	525RK	Brush Cutter - 525 Rk (2013-03)
Husqvarna	525RS	Brush Cutter - 525 Rs (2018-02)
Husqvarna	525RX	Brush Cutter - 525 Rx (2013-03)
Husqvarna	525RXT	Brush Cutter - 525 Rxt (2013-03)
Husqvarna	G1	Lawn Mower - Automower G1 (1998-2003)
RedMax	G2500TS	Chainsaw - Chain Saws
RedMax	G3100T	Chainsaw - Chain Saws
RedMax	G310TS	Chainsaw - Chain Saws
RedMax	G3200	Chainsaw - Chain Saws
RedMax	G3200EZ	Chainsaw - Chain Saws
RedMax	GZ3500T	Chainsaw - Chainsaw
RedMax	GZ360	Chainsaw - Chainsaw