491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack
Two rectangular blue lawn mower air filters and one J19LM spark plug for push mowers.
491588S air filters and 5062K spark plug set for lawn mower engine maintenance and performance.
Dimensional diagram of 491588S air filter and 5062K spark plug for lawn mower engines with labeled measurements.
491588S air filter and spark plug replacement kit with compatibility and part number information graphic.
491588S lawn mower air filter showing 99% filtration efficiency and high dust-loading capacity.
Infographic showing premium material details of 491588S air filter and 5062K spark plug for lawn mowers.
491588S air filters and 5062K spark plug kit for push lawn mowers with engine symptom troubleshooting guide.
Four-step installation guide for lawn mower air filter and spark plug replacement.
Two 491588S lawn mower air filters and one 5062K spark plug on a BlueStars branded promotional background.
Two rectangular blue lawn mower air filters and one J19LM spark plug for push mowers.
491588S air filters and 5062K spark plug set for lawn mower engine maintenance and performance.
Dimensional diagram of 491588S air filter and 5062K spark plug for lawn mower engines with labeled measurements.
491588S air filter and spark plug replacement kit with compatibility and part number information graphic.
491588S lawn mower air filter showing 99% filtration efficiency and high dust-loading capacity.
Infographic showing premium material details of 491588S air filter and 5062K spark plug for lawn mowers.
491588S air filters and 5062K spark plug kit for push lawn mowers with engine symptom troubleshooting guide.
Four-step installation guide for lawn mower air filter and spark plug replacement.
Two 491588S lawn mower air filters and one 5062K spark plug on a BlueStars branded promotional background.

491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack

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491588S Air Filter & 5062K Spark Plug

Key Features

  • Package includes: 2 x 491588S Air Filters, 1 x 5062K Spark Plug.
  • Flat-panel paper filter with a large surface area for effective particle capture.
  • Durable pleated media design protects the engine from dirt and debris.
  • Platinum-electrode spark plug provides reliable ignition and extended service life.
  • Kit provides essential components for a standard engine tune-up.

Replaces / Cross-Reference Part Numbers

  • Air Filter: 491588, 491588S, 399959, 5043K, PT15853, LG491588, 102-549, 30-710, 2838
  • Spark Plug: 5062K, RJ19LM, 802592S, 5095, 5095H

Compatibility & Fitment

  • Designed for select Briggs & Stratton 3.5-6.5 HP Quantum engines and 625-875 series engines.
  • Fits specific lawn mower models from brands including Craftsman, Toro, and Troy-Bilt.
  • Commonly used in push lawn mowers and other small-engine equipment.
  • To ensure fitment, verify the part numbers listed in your equipment's owner's manual.

When to Replace

  • Engine experiences hard starting, runs rough, or stalls.
  • Noticeable decrease in engine power and fuel efficiency.
  • Engine emits excessive black smoke during operation.
  • Air filter element is visibly dirty, clogged, or damaged.
  • Spark plug electrode is fouled, corroded, or worn.
  • Recommended as part of an annual maintenance schedule.

Installation Tips

  • Disconnect the spark plug wire before performing any service.
  • Clean the air filter housing area of any loose debris before installing the new filter.
  • Ensure the air filter is seated correctly to provide a complete seal.
  • Check the spark plug gap against your engine's specifications before installation.
  • Do not over-tighten the spark plug; tighten to the manufacturer's recommended torque.
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 1
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 2
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 3
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 4
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 5
491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 6
  • 491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 1

    FIXING SYMPTOMS

    Engine Won't Start | Clogging Airflow | Poor Fuel Efficiency | Excessive Smoke
  • 491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 2

    DURABLE MATERIAL

    This Air Filter is made of high-quality pleated paper filter that traps dirt and debris while maintaining airflow
  • 491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 3

    BEST SOLUTION

    Enjoy the great feeling when your lawn tractor is repaired and works like before - BlueStars brings DIY solutions to help you deal with any trouble
  • 491588S Air Filter & 5062K Spark Plug - Fits 491588 399959 625-675 Troy-Bilt TB110 TB230 TB210 725ex - 2 Pack 4

    SIMPLE INSTALLATION

    The Air Filter Kit is designed to be easily removed and replaced, allowing for quick and convenient maintenance
FRESH GARDEN, MEMORABLE MOMENTS!

FRESH GARDEN, MEMORABLE MOMENTS!

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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Model
‎491588S Air Filter with Spark Plug
Item Weight
‎5.5 ounces
Package Dimensions
‎5.94 x 5.39 x 1.77 inches
Manufacturer Part Number
‎491588S 399959

FAQs

This kit is designed for a wide range of push lawn mowers equipped with Briggs & Stratton engines, including models from Troy-Bilt (TB110, TB210, TB230), Toro (such as the 20332), and Craftsman (including 33644). It is specifically engineered for engines in the 625-675 series, 725ex, 675ex, and 625e lines.
The air filter replaces OEM numbers 491588S, 491588, and 399959. The included spark plug replaces OEM number 5062K. Additional cross-references for the air filter include 4101, 493537S, 5043K, 5064K, PT15853, and Lesco 050007.
You should consider replacing these parts if you notice your mower is struggling to start, running roughly, experiencing a loss of power, or consuming more fuel than usual. A clogged air filter prevents the engine from 'breathing' properly, while a fouled or worn spark plug leads to incomplete combustion and misfires.
Installation is straightforward and typically takes less than 10 minutes. For the air filter, you generally only need to unclip the air cleaner cover by hand to swap the element. For the spark plug, you will need a 5/8-inch spark plug socket and a ratchet to remove the old plug and seat the new one. Be careful to thread the new plug by hand first to avoid cross-threading the cylinder head.
Air filters fail by becoming saturated with dust, grass clippings, and debris, which restricts airflow and causes the engine to run 'rich.' Spark plugs degrade due to carbon buildup on the electrode and the natural erosion of the firing tip over many hours of operation. Regular replacement is the most effective way to maintain engine compression and fuel efficiency.
While replacing the air filter and spark plug, it is a good time to check your engine oil level and condition. If the oil is dark or gritty, perform an oil change. Additionally, inspect the fuel line for any signs of cracking or leaks, as old fuel can degrade the internal components of the carburetor.