Premium 4-Inch Dust Cap for Fuel Oil Tank Truck Fittings
Heavy-duty brass construction ensures corrosion resistance and long-term durability in harsh environments. Precision-engineered threading guarantees a secure, leak-proof seal for fuel tank fittings. Ideal for fuel oil tank trucks, agricultural machinery, and industrial fuel storage systems. Protects against dust, debris, and moisture to maintain fuel purity and equipment integrity. Smooth matte finish with reinforced edges for easy handling and tool-free installation. Compatible with standard 4-inch fittings, offering universal adaptability. Direct bulk pricing with global shipping—wholesale quantities available for fleet operators and industrial suppliers.