GY20661 Air Filter and Oil Filter Tune-Up Kit

Key Features

• Complete kit for routine engine maintenance.
• Includes main air filter, foam pre-cleaner, and oil filter.
• Pleated-paper air filter media captures dust and debris to protect the engine.
• Foam pre-cleaner traps larger particles, extending the service life of the main filter.
• Spin-on oil filter provides consistent filtration and engine protection.

Replaces / Cross-Reference Part Numbers

• Air Filter Kit (Filter and Pre-Cleaner): John Deere GY20661
• Air Filter Element: John Deere M145944, Kohler 12 083 10-S, 12 083 16-S
• Pre-Cleaner Element: John Deere M131303

Compatibility & Fitment

• John Deere Lawn Tractors: L110, LT160, LX266
• Kohler Command Engines: CV13S, CV13T, CV14, CV16S, CV490, CV491, CV492, CV493
• Note: Always verify fitment by comparing the part number on your existing component with the numbers listed.

When to Replace

• During scheduled engine maintenance intervals as specified by the manufacturer.
• If the engine exhibits reduced power, rough idling, or increased fuel consumption.
• When the air filter element is visibly clogged with dirt, damaged, or saturated with oil.

Installation Tips

• Disconnect the spark plug wire before beginning service.
• Thoroughly clean the air filter housing and cover before installing the new filter.
• Ensure the new filter is seated correctly to form a complete seal.
• Lightly coat the new oil filter gasket with fresh engine oil before threading it on.