Huilian SB121 Oil Seal – Premium Excavator Seal Solutions

SB121 Oil Seal by Huilian — Reliable Sealing for Excavators

Product Overview

The SB121 oil seal is engineered to provide superior protection against oil leakage, contamination and wear in hydraulic breaker assemblies and excavator components. Manufactured to tight tolerances, the SB121 oil seal ensures consistent performance under high pressure, shock loads and extreme environments — making it an ideal choice for heavy-duty construction and demolition equipment.

Key Features & Benefits

Huilian's SB121 oil seal offers long service life through High Quality elastomers and reinforced metal cores. Features include excellent abrasion resistance, temperature stability, and reliable sealing under radial and axial movement. Using SB121 oil seal reduces downtime, lowers maintenance costs, and improves overall machine uptime for fleet operators and contractors.

Compatibility & Applications

The SB121 oil seal is compatible with a wide range of hydraulic breakers, pistons, and excavator components. It is commonly used in seal kits, wear bushes, pistons, and valve assemblies. If you operate excavators or breakers, the SB121 oil seal is designed to fit critical sealing points to protect hydraulic fluids and extend component life.

Quality Assurance & Manufacturing

Founded in 2005, Huilian Machine is a leading OEM supplier of excavator parts based in China. Our experienced R&D team and quality control professionals ensure every SB121 oil seal meets strict performance criteria. Huilian manufactures hydraulic breaker hammers, chisels, seals and seal kits, diaphragms, pistons and more — all exported to over 90 countries.

Ordering & Global Support

Huilian provides flexible ordering options for individual SB121 oil seals and comprehensive seal kits. We support distributors and end-users with technical guidance, spare-part recommendations, and after-sales service. Visit https://www.huilianmachine.com/ to request quotes, download catalogs, or apply to become a global distributor.

Why Choose Huilian

Choose Huilian for proven expertise in excavator breaker parts, competitive OEM pricing, and a commitment to sustainable industry development. The SB121 oil seal reflects our dedication to durable, high-performance sealing solutions that keep your equipment working harder for longer.