4-Piece Grease Seal Replacement Set - You will receive 4 x trailer axle hub wheel grease seals, providing a complete replacement solution for worn, cracked or leaky original seals. Each seal features precise dimensions of 1.719" inner diameter × 2.565" outer diameter for a perfect fit. Multi-Brand Part Compatibility - These grease seals are direct replacements for Dexter part 01001900 (10-19), Transcom 171255TB, and National 473336. They are substitutes for OEM, ensuring seamless compatibility with your existing trailer axle components. Spindle & Axle Specific Fitment - Exclusively designed for 3500 lbs capacity trailer axles with #84 spindles and E-Z Lube systems. This precise fit ensures the seals properly seat in the axle hubs/wheels, preventing grease leakage and protecting wheel bearings from contaminants. Durable & Leak-Proof Construction - Crafted from high-quality, oil-resistant rubber materials with reinforced edges, these grease seals deliver reliable performance under heavy loads and harsh road conditions. They effectively maintain grease retention and extend the service life of your trailer wheel bearings. Trustworthy After-Sales Service - If you encounter any problems regarding compatibility, installation, or product quality, please contact us immediately. Our team is dedicated to providing high-quality customer service and will offer you a satisfactory solution to guarantee a pleasant shopping experience.