Small Engine Filter-Airflow 11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551
Kawasaki compatible inner and outer air filter set for lawn mower engines with blue end caps and pleated paper media.
Inner and outer air filter set for Kawasaki lawn mower engines, including one inner and one outer filter element.
Close-up of Kawasaki lawn mower air filter components showing filter paper, rubber seal, and metal mesh protection.
Dimensional diagram showing inner and outer air filter replacement parts for Kawasaki lawn mower engines.
BlueStars 2508301-S cylindrical lawn mower air filter with 99% particle trapping efficiency graphic.
Replacement outer air filter for Kawasaki lawn mower engines with maintenance symptom infographic.
Cross-reference chart for 11013-7044 and 11013-7045 air filter set compatibility and replacement part numbers.
Compatibility chart for Kawasaki, John Deere, Toro, Ariens, and Gravely lawn mower air filter models.
Close-up of a Kawasaki lawn mower air filter installed in an engine housing with 5-minute installation instructions.
Kawasaki compatible inner and outer air filter set for lawn mower engines with blue end caps and pleated paper media.
Inner and outer air filter set for Kawasaki lawn mower engines, including one inner and one outer filter element.
Close-up of Kawasaki lawn mower air filter components showing filter paper, rubber seal, and metal mesh protection.
Dimensional diagram showing inner and outer air filter replacement parts for Kawasaki lawn mower engines.
BlueStars 2508301-S cylindrical lawn mower air filter with 99% particle trapping efficiency graphic.
Replacement outer air filter for Kawasaki lawn mower engines with maintenance symptom infographic.
Cross-reference chart for 11013-7044 and 11013-7045 air filter set compatibility and replacement part numbers.
Compatibility chart for Kawasaki, John Deere, Toro, Ariens, and Gravely lawn mower air filter models.
Close-up of a Kawasaki lawn mower air filter installed in an engine housing with 5-minute installation instructions.

11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551

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11013-7044 & 11013-7045 Inner & Outer Air Filter

Key Features

  • Package includes one (1) outer air filter (11013-7044) and one (1) inner air filter (11013-7045).
  • Dual-stage filtration system for enhanced engine protection.
  • Outer Filter Dimensions: 10.75 in. height, 4 in. outer diameter, 2.5 in. inner diameter.
  • Designed to meet or exceed original equipment manufacturer specifications.

Replaces / Cross-Reference Part Numbers

  • Outer Filter ( 11013-7044): 11013-7020, 25-083-01-S, P821575, 841497, 841237, MIU12457, M131802, M144100, 103-1327, 108-3810
  • Inner Filter (11013-7045): 11013-7019, 25-083-04-S, P822858, 841238, 821136, MIU12458, M131803, M144098, 103-1326, 5101542

Compatibility & Fitment

  • Fits Specific Kawasaki Engines:
    • FD Series: FD731V, FD750D, FD791D
    • FH Series: FH601V, FH641V, FH680V, FH721V
    • FX Series: FX651V, FX691V, FX730V, FX751V, FX801V, FX850V, FX1000V
  • Fits Specific Kohler Engines (16-26 HP):
    • C Series: C940-C980
    • CH Series: CH18-CH1000
    • CV Series: CV16-CV1000
    • LH Series: LH630-LH775
    • LV Series: LV625-LV680

When to Replace

  • Replace according to the service interval specified in your engine's owner manual.
  • Inspect filters periodically; replace sooner if operating in exceptionally dusty or debris-heavy conditions.
  • Replace immediately if filters show signs of damage, tearing, or heavy soiling.
  • A noticeable decrease in engine performance can indicate a clogged filter.

Installation Tips

  • Ensure the engine is off and cool before servicing the air filter.
  • Carefully remove the air filter cover and old filters.
  • Wipe the inside of the air filter housing and cover clean of any dirt or debris.
  • Install the new inner filter (11013-7045) first.
  • Install the new outer filter (11013-7044) over the inner filter.
  • Secure the air filter cover to ensure an airtight seal.
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 1
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 2
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 3
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 4
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 5
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 6
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 7
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 8
11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 9
  • 11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 1

    EXACT REPLACEMENT

    Fits model B&Stra 540000 and 610000 series; John D Z810A, Z820A, Z840A, 647A, 657A, 667A, 717A,727A and 997 ZTrak mowers, and more.
  • 11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 2

    PREMIUM QUALITY

    This product adopts excellent filter paper for superior filtration and a sturdy metal mesh for added protection, offering remarkable durability
  • 11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 3

    SAVING SOLUTION

    Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble
  • 11013-7044 Outer & 11013-7045 Inner Air Filter - Fits Kawasaki 25-083-01-S 25-083-04-S 841497 821136 AF25552 AF25551 4

    SIMPLE INSTALLATION

    The installation just takes a few minutes and will save you at least a hundred bucks in labor

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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Manufacturer
‎BlueStars
Brand
‎BlueStars
Model
‎11013-7044 & 11013-7045 Inner & Outer Air Filter
Item Weight
‎13.7 ounces
Package Dimensions
‎10.59 x 4 x 3.98 inches
Manufacturer Part Number
‎11013-7044 11013-7045 25 083 01-S
OEM Part Number
‎11013-7044 & 11013-7045 25 083 01-S 25 083 04-S 841497 821136 AF25552 AF25551 P821575 P822858 M131802

FAQs

This filter set is compatible with a wide range of engines, including Kawasaki FX651V, FX691V, FX730V, FX751V, FX801V, FX850V, FX1000V, FD731V, FD750D, FD791D, FH601D, FH601V, FH641D, FH641V, FH680D, FH680V, FH721D, FH721V, and FH770D. It also fits various Kohler models including the CH and CV series (CH18-CH1000, CV16-CV1000) and LH/LV series.
These filters replace Kawasaki 11013-7044, 11013-7045, 11013-7020, and 11013-7019. They also cross-reference with Kohler 25-083-01-S, 25-083-04-S, 841497, and 821136; John Deere M131802 and M131803; Donaldson P821575 and P822858; and Fleetguard AF25552 and AF25551.
You should replace your air filters if you notice a loss of engine power, increased fuel consumption, or black smoke from the exhaust. If the outer filter appears heavily clogged with dust, debris, or oil, it is time for a change. We recommend inspecting the filter every 50 hours of operation, or more frequently if you are mowing in dry, dusty conditions.
Yes, we strongly recommend replacing both the inner (safety) filter and the outer (primary) filter as a set. The inner filter acts as a final barrier to protect the engine if the outer filter is compromised. Replacing both ensures your engine maintains optimal airflow and maximum protection against debris ingestion.
Before installing the new set, thoroughly clean the inside of the air filter housing with a damp cloth to remove any loose dirt or debris. Ensure the housing seal is clean and free of cracks. Never use compressed air to clean the housing, as this can push debris into the intake manifold.
The installation is straightforward and typically requires no specialized tools. Most air cleaner housings are secured with simple clips or wing nuts. The process usually takes less than 10 minutes. Ensure that the new filters are seated firmly against the housing base to create an airtight seal; an improper seal can allow unfiltered air to enter the engine, which can cause internal damage.