Stens Air Filter 100-160 Instruction Manual

1. Product Overview

The Stens 100-160 Air Filter is a high-quality replacement component designed to protect your engine from harmful contaminants. This filter ensures optimal engine performance and longevity by providing clean air for combustion. It is engineered to meet or exceed OEM specifications for various outdoor power equipment.

Image 1: Top view of the Stens 100-160 Air Filter, showing the blue frame and pleated filter media.

2. Product Features and Dimensions

The Stens 100-160 Air Filter features a robust design for effective air filtration. Key dimensions are as follows:

• Width with Tab: 6 3/8 inches
• Height: 1 3/16 inches
• Length: 8 5/16 inches
• Width: 3 3/4 inches

Image 2: Angled view of the Stens 100-160 Air Filter, highlighting its rectangular shape and integrated tab.

3. Compatibility

This air filter is compatible with a range of outdoor power equipment. Please verify your equipment's OEM part number for exact fitment.

Replaces OEM Part Numbers:

• Ariens: 21538200
• Craftsman: 20556
• Cub Cadet: 490-200-0004
• Gravely: 21538200
• John Deere: M137556
• Kawasaki: 11013-7002

Fits Models:

• Cub Cadet: 1500 series tractors
• Gravely: 988104, 988108, 988109, 988117, 988123, 988124, 988125, 988126, 988127, 991026 and 991032
• John Deere: 325, GT235, GX325, LT180, LT190, LX277, LX280 and LX288 with Kawasaki engines
• Kawasaki: FH451V, FH500V, FH580V and FH680D engines

Image 3: Stens 100-160 Air Filter shown in its retail packaging.

4. Installation (Setup)

Proper installation of the air filter is crucial for engine protection and performance. Always refer to your equipment's specific service manual for detailed instructions.

1. Locate the Air Filter Housing: Identify the air filter housing on your engine. It is typically a plastic or metal cover secured with clips or screws.
2. Remove the Housing Cover: Carefully unfasten the clips or screws and remove the air filter housing cover.
3. Remove the Old Filter: Take out the old air filter. Note its orientation for correct installation of the new filter.
4. Clean the Housing: Inspect the air filter housing for any debris, dust, or dirt. Clean it thoroughly before installing the new filter to prevent contamination.
5. Install the New Filter: Insert the Stens 100-160 Air Filter into the housing, ensuring it fits snugly and is correctly oriented. The filter must create a tight seal to prevent unfiltered air from entering the engine.
6. Replace the Housing Cover: Securely reattach the air filter housing cover, ensuring all clips or screws are properly fastened.

Important: An improperly installed filter can allow dirt and debris into the engine, leading to significant damage.

5. Operation

The air filter functions by trapping airborne particles such as dust, dirt, and debris before they can enter the engine's combustion chamber. This process is vital for maintaining engine efficiency, preventing wear on internal components, and ensuring consistent power output.

6. Maintenance

Regular inspection and replacement of your air filter are essential for optimal engine performance and longevity. A dirty or clogged air filter can restrict airflow, causing reduced engine power, increased fuel consumption, and potential engine damage.

• Inspection: Periodically inspect the air filter for signs of dirt, debris, or damage. The frequency of inspection depends on the operating conditions and environment (e.g., dusty conditions require more frequent checks).
• Replacement Schedule: Replace the air filter according to your equipment manufacturer's recommendations, or more frequently if operating in harsh or dusty conditions. Some equipment, like cut-off saws, may require very frequent filter changes.
• Pre-Filter: If your equipment uses a pre-filter (e.g., Stens 100-168 Pre-Filter), ensure it is also cleaned or replaced as needed.

7. Troubleshooting

If your engine experiences performance issues, a clogged or improperly installed air filter could be a contributing factor. Consider the following:

• Reduced Engine Power: A dirty air filter restricts airflow, leading to a lack of power. Inspect and replace the filter if it appears clogged.
• Increased Fuel Consumption: An engine struggling to draw air through a dirty filter may consume more fuel.
• Engine Misfires or Rough Running: Inconsistent air supply can cause the engine to run poorly. Ensure the filter is clean and properly seated.
• Visible Dirt in Carburetor/Engine: If dirt is visible past the filter, it indicates an improper seal or a damaged filter. Reinstall the filter correctly or replace it if damaged.

8. Specifications

9. Warranty and Support

Stens products are designed for quality and reliability. For specific warranty information or technical support regarding your Stens 100-160 Air Filter, please refer to the official Stens website or contact their customer service directly. Always ensure you are using genuine Stens replacement parts for optimal performance and to maintain any applicable warranties.