Key benefits Protects your engine by trapping dust and debris before they reach the carburetor and internal components, helping maintain power, fuel efficiency, and engine life. Direct replacement design ensures a correct fit and consistent airflow for reliable performance without modification. Simple, tool installation lets you the filter in minutes, reducing downtime and making routine maintenance easy for DIY users and technicians. What this product is and how it works This listing is for replacement inner and outer air filters designed to filter intake air for small diesel/gas engines used on tractors and utility vehicles. The filters capture airborne particles that can cause wear, reduce performance, and increase fuel consumption. Compatibility and part numbers (do not add or omit) Replacement for: 1023E, 1026R, 1200, 1200A, 1720, 1725, 1730, 1750, 1765, 1770, 1775, 1780, 4100, 4010, 4115, ProGator 2020 & 2023 Replacement for John Deere X495 lawn and garden tractor Part Numbers: 702911013 (outer), 704811013 (inner) Equivalent to: Inner Air Filter for M123378, Outer Air Filter for M113621 Not compatible with: 1023E Tractor PC16357 More models may be listed in the complete product descriptions below; confirm fit with listed part numbers before . Features and attributes Function: Inner and outer air filter set designed to prevent contaminants from entering the engine intake. Fit: Engineered as a directfit replacement for the models and part numbers listed above to avoid performance issues due to incompatibility. Performance: Maintains proper airflow while providing effective particle capture to protect engine components and preserve fuel economy. Installation: Designed for quick replacement without specialized tools or technical training. Practical use scenarios 1) Routine lawn care: the air filters on your garden tractor between mowing seasons or after heavy, dusty use to restore engine efficiency and reduce smoke or sputtering. 2) Commercial grounds maintenance: Keep a fleet of ProGators or John Deere utility tractors running reliably by stocking these replacement filters for scheduled checks and fast field swaps. 3) Offseason storage prep and inspection: Install a inner and outer filter before storing equipment for winter to prevent contaminants from accumulating and to simplify spring startup. Why choose this replacement Directfit compatibility with the specified John Deere models and part numbers reduces the risk of incorrect installation or poor engine performance. Clear equivalence to OEM part numbers (M123378 inner, M113621 outer) and the listed replacement numbers helps ensure you are ordering the correct filters for your equipment. Designed for easy, fast replacement to keep maintenance simple and inexpensive. Installation notes Replacement is straightforward and intended for DIY installation; most users can complete the swap in minutes. Verify model and part number compatibility before installation. Do not use on 1023E Tractor PC16357. If you need to confirm fit for additional models, check the full product description or compare the listed part numbers (702911013, 704811013, M123378, M113621) with your equipment documentation.