Part Location Diagram of 503717901 Husqvarna Stop Switch
See part I-13 in the diagram
( Grid squares measure 1x1 inch )

Stop Switch 503717901

Manufactured by:
Husqvarna
ERP Number:
ERP8991581
Part Number:
503717901
Original Equipment Manufacturer ?
  Works with your model  50SPECIAL!
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

30 - 60 mins 

(4 rated repairs) ?
  Works with your model   50SPECIAL!

Product Description

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This switch is specially designed to stop the engine when you move it to the stop position/setting. It is an authentic replacement item that is supplied from original equipment manufacturer for use with Husqvarna chainsaws. Includes one (1) switch per order. To replace this stop switch you will need a screwdriver. • Make sure to disconnect spark plug and drain fuel • Remove screws from the housing • Separate housing pieces • Disconnect wires from the old switch • Secure new stop switch in place • Reconnect the wires • Reassemble and test the new switch

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Husqvarna
  • Craftsman
This part works with the following products:
  • Chainsaw
  • Concrete Saw
Part# 503717901 replaces these:
501526601, 501633801, 501815201, 503089701, 503089702, 503717901,

Customer Part Reviews

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5.0
Average Rating (out of 5):
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(3 Reviews)
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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

30 - 60 mins 

(4 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

cutoff switch broke

stevan from cumming , Georgia

1 person found this instruction helpful.
Difficulty Level:
Difficult
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Wrench set
Parts Used:
503717901
WAS NOT A DROP IN REPLACEMENT FOR MY HUSKY RANCHER MODEL 61 as listed -
had to DRILL A HOLE IN THE SAW - and put a mouting screw into the frame - TO PROVIDE A GROUND-

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The fuel line and filter were completely junk....I decided to go through the entire saw

Robert from Fairhaven, Massachusetts

1 person found this instruction helpful.
Difficulty Level:
A Bit Difficult
Total Repair Time:
1- 2 hours
Tools:
Nutdriver, Pliers, Screw drivers, Socket set
1. I completely stripped the saw, by taking all the parts apart.
2. Cleaned all of the parts in solvent and used compressed air where necessary
3. Dismantled Walbro carburetor to inspect and clean
4. Reassembled carburetor installed new spark plug
5. Swapped out parts and installed the chain brake on the new clutc h cover
6. Fine tuned the carburetor after warm up.

Runs like a champ!
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Ignition hot lead was broken and grounding out and stop switch ground strap broken in two.

Allen from Albany, Oregon

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Screw drivers
Parts Used:
501839702, 503717901, 501839803
1- Removed top cover
2- Disconnect spark plug boot
3- Remove recoil starter cover and plastic flywheel/coil module cover
4- Remove hot lead wire from ignition module to coil
5- Re-route new hot lead wire and re-connect
6- Remove stop switch and ground strap screw then ground wire from module to stop switch