SB81NII Seal Kit — Huilian Premium Excavator Seal Kit

SB81NII Seal Kit — Huilian High Quality Excavator Seal Kit

Huilian presents the SB81NII seal kit, engineered to restore hydraulic breakers and excavator attachments to peak performance. Founded in 2005, Huilian Machine is a leading OEM supplier from China offering a full range of breaker parts. The SB81NII kit is precision-made for reliability, reduced downtime and extended service life.

Product Overview

The SB81NII seal kit includes all essential seals and O-rings engineered for hydraulic breakers: piston seals, rod seals, guide rings, backup rings and specialized O-rings. Components are manufactured with high-grade elastomers (NBR and optional Viton) and wear-resistant fabrics where specified. Each kit is dimension-checked to match SB81NII specifications for optimal sealing performance under high-pressure, high-impact conditions.

Why Choose Huilian SB81NII

As experienced excavator breaker parts manufacturers, Huilian guarantees OEM-level quality control with skilled R&D and QC teams overseeing production. The SB81NII seal kit is tested for pressure tolerance, chemical resistance and temperature stability. Trusted by customers in over 90 countries, Huilian combines competitive pricing with consistent quality and professional after-sales support.

Applications & Compatibility

The SB81NII seal kit is designed for hydraulic breakers and compatible excavator attachments requiring SB81NII-class seals. It suits repair and preventive maintenance for on-site construction, demolition and mining equipment. Installing the kit restores sealing integrity, prevents internal leakage and improves hydraulic efficiency — helping operators cut repair costs and minimize machine downtime.

Technical Specs & Installation

Key specs include high-hardness backup rings, abrasion-resistant piston seals and chemically stable elastomers suitable for hydraulic oils. Tolerances meet industry standards to ensure snug fits and long life. For best results, clean mating surfaces, inspect housings for wear, and follow torque and assembly sequences. Huilian provides installation guidance and technical support to ensure correct fitment.

Ordering & Global Support

Huilian offers flexible MOQ, global shipping and distributor partnerships for the SB81NII seal kit. With a dedicated sales and after-sales team, warranty assistance and rapid response for technical inquiries are available. Visit https://www.huilianmachine.com/ to request quotes, download datasheets or join our global distributor network.