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Oiled Air Filter

Part Number: 537186301
Husqvarna
Availability: 25+ in stock
Price: $5.79
Ships within 1 business day

*This part replaces obsolete part #: 5038881-01 and 503888101.

Product Information
Manufacturer: Husqvarna
Product Number: 537186301
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Description:
This is a genuine OEM replacement part designed for use with some Husqvarna Trimmers and Brushcutters. This filter is made out of Foam and it is sold individually.
The purpose of this filter is to keep dirt and other small particles from entering the carburetor and engine and causing internal engine damage. Once this type of filter gets clogged or dirty it should be changed (Not Cleaned). This is to prevent restricted air flow and foreign matter from entering the engine.
Compatibility

This part is compatible with the following machines:

Husqvarna
325 LX (2000-10) Trimmer
325 LXT (2000-01) Trimmer
325 RX (2002-01) Trimmer
325 RXT (2002-01) Trimmer
325 RDX (2002-01) Trimmer
325 RJX (2002-01) Trimmer
323 P4 (2002-05) Pole Saw
323 P4 (2002-05) Pole Saw
325 P4 X-Series (2001-02) Pole Saw
325 P4 X-Series (2001-02) Pole Saw
325 P4 X-Series (2002-05) Pole Saw
325 P4 X-Series (2002-05) Pole Saw
325 P5 X-Series (2002-05) Pole Saw
325 P5 X-Series (2002-05) Pole Saw
322 C (1999-03) Line Trimmer
322 C (2000-04) Line Trimmer
322 L (2000-01) Line Trimmer
322 L (2000-04) Line Trimmer
322 R (106 25 68-62) (1999-03) Line Trimmer
325 CX (2000-04) Line Trimmer
325 LX (106 25 68-62) (1999-03) Line Trimmer
325 LX (2000-01) Line Trimmer
325 LX (2000-04) Line Trimmer
325 LXT (2000-04) Line Trimmer
325 RJX (2000-01) Line Trimmer
325 RX (106 25 68-62) (1999-03) Line Trimmer
325 E X-Series (2001-01) Edger
325 E X-Series (2006-04) Edger
323 HE 3 (2005-02) Hedge Trimmer
323 HE 3 (2005-02) Hedge Trimmer
323 HE 3 (2005-09) Hedge Trimmer
323 HE 3 (2005-09) Hedge Trimmer
323 HE 3 (2005-10) Hedge Trimmer
323 HE 3 (2005-10) Hedge Trimmer
323 HE 3 (2007-01) Hedge Trimmer
323 HE 3 (2007-01) Hedge Trimmer
325 HDA 55 X-Series (2003-01) Hedge Trimmer
325 HDA 55 X-Series (2003-01) Hedge Trimmer
325 HDA 55x (2005-02) Hedge Trimmer
325 HDA 55x (2005-02) Hedge Trimmer
325 HDA 55x (2005-09) Hedge Trimmer
325 HDA 55x (2005-09) Hedge Trimmer
325 HDA 55x (2005-10) Hedge Trimmer
325 HDA 55x (2005-10) Hedge Trimmer
325 HDA 65X (2007-01) Hedge Trimmer
325 HDA 65X (2007-01) Hedge Trimmer
325 HE 3 (2001-01) Hedge Trimmer
325 HE 3 (2001-01) Hedge Trimmer
325 HE 3 (2001-05) Hedge Trimmer
325 HE 3 (2001-05) Hedge Trimmer
325 HE 3 X-Series (2003-01) Hedge Trimmer
325 HE 3 X-Series (2003-01) Hedge Trimmer
325 HE 3x (2005-02) Hedge Trimmer
325 HE 3x (2005-02) Hedge Trimmer
325 HE 3x (2005-10) Hedge Trimmer
325 HE 3x (2005-10) Hedge Trimmer
325 HE 3X (2007-01) Hedge Trimmer
325 HE 3X (2007-01) Hedge Trimmer
325 HE 4 (2001-01) Hedge Trimmer
325 HE 4 (2001-01) Hedge Trimmer
325 HE 4 (2001-05) Hedge Trimmer
325 HE 4 (2001-05) Hedge Trimmer
325 HE 4 X-Series (2003-01) Hedge Trimmer
325 HE 4 X-Series (2003-01) Hedge Trimmer
325 HE 4x (2005-02) Hedge Trimmer
325 HE 4x (2005-02) Hedge Trimmer
325 HE 4x (2005-09) Hedge Trimmer
325 HE 4x (2005-09) Hedge Trimmer
325 HE 4x (2005-10) Hedge Trimmer
325 HE 4x (2005-10) Hedge Trimmer
325 HE 4X (2007-01) Hedge Trimmer
325 HE 4X (2007-01) Hedge Trimmer
HA 850 (2005-10) Hedge Trimmer
HA 850 (2005-10) Hedge Trimmer
HA 850 Attachment (2005-09) Hedge Trimmer
HA 850 Attachment (2005-09) Hedge Trimmer
HA 850 Attachment (2007-01) Hedge Trimmer
HA 850 Attachment (2007-01) Hedge Trimmer
223L (2006-01) Brushcutter
223R (2006-01) Brushcutter
322R (1999-03) Brushcutter
322R (2000-05) Brushcutter
322R (2001-02) Brushcutter
323R (2002-01) Brushcutter
323R (2004-03) Brushcutter
323R (2005-05) Brushcutter
323R (2006-04) Brushcutter
323R (2007-01) Brushcutter
323R (2008-03) Brushcutter
323RJ (2002-01) Brushcutter
323RJ (2005-05) Brushcutter
323RJ (2008-03) Brushcutter
325RJX (2005-05) Brushcutter
325RJX (2002-01) Brushcutter
325RJX (2008-03) Brushcutter
325RJX (2000-01) Brushcutter
325RX (1999-03) Brushcutter
325RX (2000-05) Brushcutter
325RX (2008-03) Brushcutter
326RJX (2004-03) Brushcutter
326RJX (2006-04) Brushcutter
326RJX (2007-01) Brushcutter
326RX (2004-03) Brushcutter
326RX (2006-04) Brushcutter
326RX (2007-01) Brushcutter
322L (1999-03) Line Trimmer
123L (2004-03) String Trimmer
323L (2008-03) Light Weight Trimmer
323L (2005-05) Trimmer
325 P5 (2002-05) X-Series Saw Attachment
323 LD (2005-05) Trimmer
325 RJ X-SERIES (2000-01) Brushcutter
325 HDA65 X-SERIES (2009-03) Hedge Trimmer
325 HDA65 X-SERIES (2007-01) Hedge Trimmer
323P (2002-05) 4 Saw Attachment
323P (2002-01) 4 Saw Attachment
323P (2006-07) 4 Pole Pruner
323P (2004-06) 4 Pole Pruner
325P (2004-06) 5 X-Series
325P (2006-07) 5 Pole Pruner
325P (2002-05) 4 X-Series Saw Attachment
325P (2002-01) 4 X-Series Saw Attachment
325P (2001-02) 4 X-Series
325 P5 (2002-05) X-Series Saw Attachment
323 C (2008-03) Trimmer
323 EX Trimmer
323 LD (2008-03) Trimmer
325 LDX (2008-03) Trimmer
326 LDX (2007-01) Trimmer
326 LDX (2006-04) Trimmer
326 LDX (2004-03) Trimmer
326 LS (966763205) (2007-01) Trimmer
123 C (2004-03) Trimmer
123 LD (2004-03) Trimmer
322 E (2001-01) Trimmer
322 E (1999-10) Trimmer
322 T (2001-02) Trimmer
322 T (2000-05) Trimmer
323 C (2005-05) Trimmer
323 C (2002-01) Trimmer
323 E (2002-03) Trimmer
323 LD (2005-05) Trimmer
323 LD (2002-01) Trimmer
325 E (2002-03) X-Series
325 E (2001-01) X-Series
325 E (1999-10) X-Series
325 L (2002-01) Trimmer
325 LDX (2005-05) Trimmer
325 LDX (2002-01) Trimmer
325 TX (2001-02) Trimmer
Expand the 150+ compatible machines
Products Compatibility

This item works with the following types of products:

  • • Edger
  • • Hedge Trimmer
  • • Pole Saw
  • • Saw
  • • Trimmer
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
1 of 1 people found this instruction helpful
Tool Type:
Blower
Parts Used:
Knob - 502204001
Screw - 502206503
Air Filter Cover - 503888001
Oiled Air Filter - 537186301
Air Filter Element - 531009637
Harness - 531009506
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Wrench Set, None
Replace worn and missing parts.
Piece of cake. Good as new again!
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Tool Type:
Trimmer
Parts Used:
Line Cutter - 503798802
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Socket set
Filter was dirty and line cutter had dulled
Removed air filter cover and replaced with new foam filter. The line cutter was held on by one bolt and it was an easy fix.
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Tool Type:
Trimmer
Parts Used:
Fuel Tank Bushing - 580457501
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Pliers, Allen wrench
Gas leak when inverted
Removed upper cawling
Removed fuel filter
Removed fuel line & bushing
Placed fuel line through bushing and ran it through the port on tank.
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Tool Type:
Trimmer
Parts Used:
Air Purge - 503936601
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver
Air purge was deteriorated.
Removed cover pulled out the air purge and replaced it. Installed the air filter.
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Tool Type:
Trimmer
Parts Used:
Knob - 502204001
Screw - 502206503
Air Filter Cover - 503888001
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, No tools required
Air filter parts came loose and fell off and could not find.
Simply installed the parts into the Husquvarna Trimmer. Parts were an exact replacement and everything went perfect. Order to parts delivery time was excellent. Thanks!
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Tool Type:
Trimmer
Parts Used:
Cover - 503887901
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Socket set, Allen Wrench
Broken air intake cover and dirty air filter
Repair was on a Husqvarna Straight Shaft Trimmer
1. Housing cover was removed - 3 allen head screws
2. Cleaned Dirt and Debris from inside housing cover and area around carburetor.
3.Performed routine maintenance / Inspections. Inspected Fuel Lines and primer bulb with cover removed - still serviceable. Replaced Spark Plug. These components are easily accessible with housing cover removed.
4. Removed broken intake cover and snapped a new cover in place.
5. Reapplied light lubricant to linkages
6. Reinstalled housing cover
7. Accessed Air Filter by removing cover - knob type screw.
8. Lightly Oiled and replaced air filter
9. Reinstalled air filter Cover
10. Test run Trimmer - Repair / Maintenance complete.
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Tool Type:
Trimmer
Parts Used:
Fuel Filter - 591375401
Gasket - 503497101
Oiled Air Filter - 537186301
Carburetor - 588171156
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Gasket scraper
Would not accelerate bogged down
Simple removal a few screws holding carb down disconnect gas lines disconnect throttle cable install reverse removal steps
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Tool Type:
Trimmer
Parts Used:
Fuel Filter - 591375401
Air Purge - 503936601
Hose - 537042401
Hose - 537052301
Oiled Air Filter - 537186301
Repair Difficulty:
Medium
Time Spent Repairing:
30-60 minutes
Tools Used:
, 5/32 hex key
Fuel line had hardened and split. Could not prime carburetor.
1. Dismantled outer cover and pull rope assembly to allow fuel tank to come loose.
2. Had ordered all fuel lines, fuel filter, primer bubble, and air filter from eReplacementParts, not just the one fuel line that had split.
3. Was a wise choice because another fuel line split during disassembly.
4. Model 322L trimmer fuel filter must first be pulled from fuel tank and cut off before fuel line can be removed. Be careful not to disrupt the rubber bushings in the fuel tank the fuel lines pass through. I had not ordered those. The bushings seal the fuel lines to prevent leaks. Mine didn't leak, but I had known, it would have been a good idea to have ordered the tank bushings as a good measure and reassurance you get no leaks.
5. When replacing all fuel lines remember to make a sketch where each fuel line connects. This is important. I should have listed this first. Two lines go to the carburetor and to go to the primer bubble. Don't trust your memory. Make the sketch.
6. The longer fuel line must be pushed into the tank and brought out the fuel cap opening first before you install the filter. Push the fuel filter and rest of fuel line back into the tank. Some fuel line may have to be trimmed.
7. I replaced the other fuel lines trimming off excess, making sure there were no kinks or pinched segments.
8. I reassembled the fuel tank making sure the tank tabs fit snugly into their respective slots on the trimmer body as well as the pull rope assembly. All the while making sure the fuel lines remained routed properly.
9. Finally I verified none of the fuel lines had come undone and reassembled the outer housing. The carburetor air filter was shipped pre oiled and was easily installed.
10. I installed a new spark plug that I had purchased locally.
Pay attention to the assembly before servicing. Clean your trimmer while it's apart with rags and WD40 or some other oil solvent cleaner.
I started the trimmer and it ran great. No leaks from fuel system. Ready to go.
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Tool Type:
Trimmer
Parts Used:
Cover - 503887901
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver
Trimmer was bogging down under a full load (as soon as I would give it gas it wanted to cut out)
I removed the outer cover, and then replaced both the broken cover and the old dirty (ready-oiled) filter.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
Tool Type:
Trimmer
Parts Used:
Knob - 502204001
Screw - 502206503
Air Filter Cover - 503888001
Oiled Air Filter - 537186301
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Knob and air filter cover were lost in the field
I thought I was going to have to take a couple of things off. but I was able to shake the nut back into place and then simply replace the last parts.
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Reviews
4.9
Average Rating (out of 5):
7 Reviews
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  • Quick fix
    Part fit my weed eater and I’m running again.
    Guest - 10 days ago Verified Purchase
    Easy shopping on the website
    The part was just what I needed. Ez to shop on the website
    Guest - May 12, 2021 Verified Purchase
    great part and easy repair
    this part was perfect and did the job it was ment too do.
    Guest - October 29, 2019 Verified Purchase
    Weed eater parts
    Easy to find the part and order!
    Guest - August 17, 2019 Verified Purchase
    OLD WEEDEATER WORKS NOW
    NEEDED 5 PARTS , GOT ALL 5 AND ALL WORKED.... THANK YOU
    Guest - June 27, 2019 Verified Purchase
    Easy repair OEM replacement.
    Arrived here quickly and the string trimmer is up and running. Thanks for filling the order so quickly.
    Guest - April 23, 2019 Verified Purchase
    Great quality, Great fit, A little pricier than I would like
    Great quality, Great fit, A little pricier than I would like.
    Guest - July 2, 2019 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Husqvarna
    Product Number: 537186301
    Classification: Part
    Weight: 0.01 lbs.
    Shipping: Ships Worldwide
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