8987387-1-M-Briggs and Stratton-491588S-Filter- A/C Cartridge
Part Location Diagram of 491588S Briggs and Stratton Filter- A/C Cartridge
See part B967 in the diagram
8987387-1-S-Briggs and Stratton-491588S-Filter- A/C Cartridge 360 view
( Grid squares measure 1x1 inch )
8987387-1-S-Briggs and Stratton-491588S-Filter- A/C Cartridge 8987387-2-S-Briggs and Stratton-491588S-Filter- A/C Cartridge 8987387-3-S-Briggs and Stratton-491588S-Filter- A/C Cartridge 8987387-1-S-Briggs and Stratton-491588S-Filter- A/C Cartridge 360 view
Part Location Diagram of 491588S Briggs and Stratton Filter- A/C Cartridge
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Filter- A/C Cartridge 491588S

 Fits your 20331!
★★★★★
★★★★★
4 Reviews

Rated by 2 customers 

Easy 

1- 2 hours 

Ratings submitted by customers like you who bought this part.

$ 7.06
  In Stock

Get this part fast! Average delivery time for in-stock parts via standard shipping: 1.8 days.

 Fits your 20331!
PartSelect Number PS8987387
Manufacturer Part Number 491588S
Manufactured by Briggs and Stratton for Briggs and Stratton, Toro, Lawn Boy, Craftsman
Product Description

Filter- A/C Cartridge Specifications

This is a replacement air filter/AC cartridge for your small engine. The air filter prevents dirt and debris from entering the engine. Over time, the air filter can become clogged or damaged, and this can lead to reduced performance. This air filter is approximately 4 inches wide and approximately 5 inches long. To replace the air filter, locate the air filter cover on the side of the engine, unscrew it, and remove the old filter. Be sure to clear out any dirt, clippings, or other debris that has found its way into the air filter assembly before you insert the new filter. Reattach the air filter cover, and secure it with the screws. This product is sold individually.
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Troubleshooting
This part fixes the following symptoms:
Will Not Start
This part works with the following products:
Engine, Lawn Mower, Pressure Washer, Generator.
Part# 491588S replaces these:
491588S
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Customer Reviews
Average Rating:
★★★★★
★★★★★
4 Reviews
3.5
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★★★★★
★★★★★
Leslie P - October 7, 2019
  Verified Purchase
Sticker covered the part
Part is fine but my issue is they put a sticker covering the entire back of the filter with their part number. I couldn't get that sticker off so I do wonder if it is impairing the filter as it is covering the holes. Kind of stupid that they did that.
★★★★★
★★★★★
Johnnie E M - February 25, 2019
  Verified Purchase
Right one
It was the part that my motor needed !! Thank You !!
★★★★★
★★★★★
Kathleen W - May 29, 2018
  Verified Purchase
The part didn't fit the lawnmower
Even though we looked it up for the make and model of the lawnmower, this air filter didn't fit!
★★★★★
★★★★★
Daniel G - January 31, 2018
  Verified Purchase
Troy Bilt Mower Parts
Items were exactly as described and arrived in a timely fashion.
  • 1
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Customer Repair Stories
 Average Repair Rating: 2.7 / 5.0, 2 reviews. What's this?
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Mower was submerged in Hurricane Matthew
Total disassemble, clean out water and any rust. hone cylinder, wire brush where needed,reassemble with new rings,gaskets and seals and lucas oil product. Started on second pull. Mowed lawn. If you have never done this sort of work before, probably should not attempt.
Other Parts Used:
Ring Set (Standard) Engine Gasket Set Filter- A/C Cartridge Filter-A/C Foam
  • Morris from HOPE MILLS, NC
  • Difficulty Level:
    A Bit Difficult
  • Total Repair Time:
    More than 2 hours
  • Tools:
    Wrench set
22 of 48 people found this instruction helpful.
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replaced gasket that go's between the air cleaner housing and carb. cleaned housing and reinstalled with new air filter
Also replaced fuel tank , the built in fuel shut off started leaking , had to replace the tank. Ordered a new one Briggs & Stratton original equipment fit perfect . This is a 25 year old Briggs & Stratton lawn mower 3.5 HP, Runs perfect, starts by the 2nd crank every time. First time I ever had to spend money on it since I bought it new in 1991
Read less
Other Parts Used:
Filter- A/C Cartridge Gasket-Air Cleaner
  • Barry from FRANKFORT, KY
  • Difficulty Level:
    Really Easy
  • Total Repair Time:
    15 - 30 mins
  • Tools:
    Nutdriver, Pliers, Screw drivers
12 of 14 people found this instruction helpful.
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Questions and Answers

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1 question answered by our experts.
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Jack
March 15, 2022
Will part no. 491588S air filter work for model 123K02-0193-E1 B&S engine
For model number 123K02-0193-E1
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Hello Jack, Thank you for contacting us. We have researched the model you have provided and have found the part you are looking for is PartSelect Number PS8987387. If you need help placing an order, customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS8987387
Manufacturer Part Number: 491588S
Brand
Model Number
Description
Briggs and Stratton
01050-0
Pressure Washer - Briggs & Stratton Pressure Washer Model 01050-0 (010500, 01050 0) Parts
Briggs and Stratton
01052-0
Pressure Washer - Briggs & Stratton Pressure Washer Model 01052-0 (010520, 01052 0) Parts
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Briggs and Stratton
01053-0
Pressure Washer - Briggs & Stratton Pressure Washer Model 01053-0 (010530, 01053 0) Parts
Briggs and Stratton
01133-0
Generator - Briggs & Stratton Generator Model 01133-0 (011330, 01133 0) Parts
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01282-0
Pressure Washer - Briggs & Stratton Pressure Washer Model 01282-0 (012820, 01282 0) Parts
Briggs and Stratton
01433-0
Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-0 (014330, 01433 0) Parts
Briggs and Stratton
01433-1
Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-1 (014331, 01433 1) Parts
Briggs and Stratton
01433-2
Pressure Washer - Briggs & Stratton Pressure Washer Model 01433-2 (014332, 01433 2) Parts
Briggs and Stratton
030728-04
Generator - 030728-04- 6,250 Watt Storm Generator, Briggs & Stratton 49 State
Briggs and Stratton
030728-05
Generator - 030728-05- 6,250 Watt Storm Generator, Briggs & Stratton 49 State
Briggs and Stratton
030728V-00
Generator - 030728v-00- 6,250 Watt Storm Generator, Briggs & Stratton 49 State
Craftsman
0457-0-580751510
Pressure Washer - 0457-0 - 580.751510, 1,800 Psi Craftsman
Craftsman
0505-0-580741380
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Briggs and Stratton
0647-0
Generator - 2,000 Watt Portable Generator
Craftsman
0647-0-580327700
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Craftsman
0795-0-580677220
Pressure Washer - 0795-0 - 580.677220, 2,250 Psi Craftsman
Briggs and Stratton
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080202-1835-99
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080202-1864-99
Engine - Engine
Briggs and Stratton
080202-1898-99
Engine - Engine
Briggs and Stratton
080202-2201-01
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Briggs and Stratton
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Briggs and Stratton
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Briggs and Stratton
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Filter- A/C Cartridge
$ 7.06
  In Stock
✖
Stock Status
 In Stock

Item is in stock and will ship today if your order is placed before 4:00 PM Eastern Standard Time.

If your order is placed after 4:00 PM EST, the in stock items will ship on the next business day.

 On Order

Item is not in stock and usually ships 3-5 business days from the time you place your order.

 Special Order

Item is not in stock and usually ships 10-15 business days from the time you place your order.

 NLA - No Longer Available

This item is no longer being made by the manufacturer, and cannot be added to your shopping cart.