Mechanical Water Seal 3/4 with cap for Diesel pump sb20

.🔧 3/4 WITH CAP 3X3 or 2x2 Mechanical Water Seal 🔧Perfect for Robin Gasoline Pumps and other brands of gasoline pumps, this high-quality mechanical water seal ensures optimal performance for your water pump system.Key Features:Fits shaft size of 21mm (inside diameter)Specifically designed for water pump applicationsSuitable for a variety of gasoline pump brands📏 Please refer to the product images for exact size reference. ⚙️ Important: Compare our measurements with your existing sample to ensure a perfect fit.For inquiries, feel free to send us a private message. We're here to help! 💬#mechanicalseal #waterpump