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Air Filter - Felt

Part Number: 503818004
Availability: 1 in stock
Price: $26.67
Ships within 1 business day

*This part replaces obsolete part #: 5038180-01 and 503818001.

Product Information
Manufacturer: Husqvarna
Product Number: 503818004
Classification: Part
Weight: 0.10 lbs.
Shipping: Ships Worldwide
This replacement air filter is supplied by the original equipment manufacturer for use with Husqvarna chainsaws. Its purpose is to remove dust and other harmful contaminants from the air that goes through the unit, over time it will get clogged eventually requiring a replacement to ensure the proper air flow. This high-quality filter is made of felt material and it is sold individually.

This part is compatible with the following machines:

Expand the 90 compatible machines
Products Compatibility

This item works with the following types of products:

  • • Chain Saw
  • • Saw
Questions & Answers

Need a air filter
greg for model number 372XP 965 70 23-00 i think it a 01 asked on 2018-11-16
Hi Greg, thank you for your question. You have five different air filters, one of which is no longer available. I have listed them all down below for you. I hope that helps. Good luck with your repair.
Repair Instructions: Submitted by Customers Like You
1 of 1 people found this instruction helpful
Tool Type:
Chain Saw
Parts Used:
Starter Rope - 501201502
Air Filter - Felt - 503818004
Ignition Module - 544047101
Repair Difficulty:
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Socket set, Allen Wrench Set, C-Type Vice Grips
I had to replace the initiation, c.saw was not firing. While I was replacing the ignition, I replaced the pull rope, air filter and spark plug.
Actually this was the second time into this repair. I had purchased an "aftermarket" ignition previously, big mistake. Another lesson learned, ALWAYS USE PROPER REPAIR PARTS. It will save a lot of time and make your repair jobs go much smoother. FYI - The saw is a Husqvarna 372, 24" Bar

I simply removed cover that holds the pull rope and gained access to the ignition area. Tightening down the new ignition while maintaining a gap between the ignition and the "flywheel", using a business card.
I used the vice grips to hold the tightened spring in place while replacing the pull rope, I find it makes it easier to replace the rope, you just have to be careful not to put too much pressure on the vice grips because the reel that holds the rope is plastic, although a very tough plastic, it's still plastic. Put it all back together.
Pulled the rope and was ready to start cutting. Runs like a new saw!

I have had this saw for at least 10 years, it was purchased with a group of saws at a pawn shop. I think I got at least 10 different saws for under $1,000,00. There were two of these saws in the "package". This one saw has been worth the amount paid for all, it is used quite a lot and with the PROPER repair parts will be used a lot more.

Thanks, I'll be back
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Product Information
Manufacturer: Husqvarna
Product Number: 503818004
Classification: Part
Weight: 0.10 lbs.
Shipping: Ships Worldwide
7036 South High Tech Dr.
Midvale, UT 84047
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