Lawn Mower Air Filter: Air filter approximate size: ID: 4" x 2-3/4", OD: 5-3/4" x 4-3/8", Height: 3-1/8" Factory Lawn mower engine air filter pre-filter, durable and excellent filter paper, metal mesh design, protecting engine, eliminate contaminating of dirt, dust and debris from the carburetor and engine,improves air flow and prevents dirt and dust. Replacement for part #: 063-8080-00 Air Filter pre cleaner oil fuel filter spark plug Tune Up Maintenance Kit Compatible with: Bad Boy ZT CZT With 27 HP Kohler Courage Mowers Engine 2013 & Older Air filter spark plug fuel filter tune up kit easy to install. It is a great and inexpensive kit for your Lawn Mower machine to run smoothly. Replaced the air fitler spark plug fuel filter tune up kit for your engien every 3 months to ensure peak performance of your engine, extend your engine life. Package included: 1 x air filter with pre filter 1 x fuel filter 1 x oil filter 2 x spark plug 2 x clamps Note: This is Non original aftermarket Replacement Parts, please check the size and the pictures carefully for compatibility before ordering it. TIP: Air Filter helps eliminate contaminating of dirt, dust and debris from the carburetor and engine. It provides excellent protection against ingested dirt, improves airflow and prolongs engine life by providing clean filtered air while running. A dirty air filter can cause the engine from not operating properly. The air filter should be checked if the engine drops in power. We recommend replacing your filters every 3 month for best performance .