## Oil Seals 139FMB 50 4T AC - Reliable Sealing for Your Engine Ensure optimal performance for your 139FMB 50 4T AC engine with these high-quality oil seals. This set of various sized o-rings guarantees a tight seal and prevents oil leaks, resulting in a longer engine life and trouble-free riding. ### Technical Specifications: The set includes o-rings with the following outer and inner dimensions: * 12mm / 8mm * 15.5mm / 11.5mm * 18.5mm / 15mm ### Why choose these oil seals? * **Perfect Fit:** The o-rings are precisely manufactured to perfectly fit the 139FMB 50 4T AC engine. * **High-Quality Materials:** Made from durable and oil-resistant material, they guarantee long-lasting sealing. * **Complete Set:** The variety of sizes in the set allows for sealing various engine components. * **Easy Installation:** Replacing the o-rings is quick and easy, saving you time and money. Investing in high-quality oil seals is an investment in the long and trouble-free operation of your 139FMB 50 4T AC engine.