Part number: 590568 box and 84004660 799585 lid Suitable for various Briggs&Stratton engines, including 08P502, 08P602, 09P602, 099P702, as well as E450 and E500 series. Also compatible with engines using 591947 boxes (with 692046 covers) Function: When your tank ruptures, there is a risk of leakage, fire, or engine/motor shutdown during use. Replacing the tank can keep the engine clean, ventilated, and safe, allowing your equipment to operate at optimal performance Please make sure our products fit your model before placing an order.