Huilian SQ120 Membrane — Premium Excavator Breaker Part

The Huilian SQ120 membrane is an OEM-quality sealing component for hydraulic excavator breakers. It offers durable, precision fit and long service life to reduce downtime and maintenance costs. Manufactured by Huilian and exported to 90+ countries.
Brand Name
Huilian
Part Name
Hydraulic Breaker Diaphragm
Part Number
C61139/C61-139/C61 139
Suitable for Breaker Brand
SOOSAN
Breaker Model
SB121 SB120 SQ120 SB121TR-F SB121TRF SB121TS-P SB121TSP
Related Parts
Seal Kit, Piston, Piston Ring, Accumulator, Sleeve Valve, Chisel, Back Head, Stop Pin, Through bolt
Material
HNBR
Tool
155
Hardness
70degree-85degree
Temperature
-35~135°C
Pressure
85-125Mpa
Position
Hydraulic Breaker Accumulator System
Certification
ISO9001
INQUIRY
Product Description

Product Overview

The Huilian SQ120 membrane is a high-quality replacement part designed for SQ120-series hydraulic breakers. Made to OEM standards, this membrane ensures reliable sealing, stable performance and extended service life—helping you minimize downtime and maintenance costs on excavators and breaker attachments.

Key Benefits

Durable and Reliable

Manufactured from wear-resistant materials and produced under strict quality control, the SQ120 membrane resists tearing and deformation even under heavy-duty operation.

Precision Fit

Dimensionally accurate to OEM specifications, the membrane fits securely in SQ120 breaker assemblies for easy installation and consistent performance.

Reduced Downtime

Improved sealing and durability translate to fewer failures and longer maintenance intervals—saving time and lowering operating costs.

Applications

Ideal for hydraulic breaker hammers and excavator attachments using the SQ120 series. Suitable for construction, demolition, quarrying and roadwork where dependable breaker performance is required.

Why Choose Huilian

Founded in 2005, Huilian Machine is a trusted OEM supplier of excavator parts. We manufacture a wide range of breaker components—chisels, seals, diaphragms, pistons and more—and export to over 90 countries. Our experienced R&D, quality control and after-sales teams ensure each SQ120 membrane meets high standards.

Quality Assurance

Each membrane undergoes rigorous inspection and testing to guarantee consistent performance. Choosing Huilian means choosing parts backed by professional support and practical industry experience.

Buy with Confidence

If you need a reliable SQ120 membrane that offers OEM-level quality, long life and dependable sealing performance, Huilian is your partner. Visit our website or contact our sales team to get pricing, availability and distributor options.

Detailed display

  • SB121 autox diaphragm
  • SB121 BKS diaphragm
  • SB121 BKS breaker diaphragm

Certificate display

  • Hydraulic-Breaker-CE-Certificate

    Hydraulic-Breaker-CE-Certificate

  • Certificate-1

    Certificate of Honor

  • new z

    Certificate of Honor

Q&A

What is your shipping and delivery time?

We offer fast and reliable global shipping. Delivery times vary depending on location and order size, but we strive to process and ship orders as quickly as possible.

What types of excavator parts do you offer?

We provide a wide range of high-quality excavator parts, including hydraulic breakers, chisels, seal kits, diaphragms, pistons, wear bushes, retainer bars, through bolts, side bolts, valves, and liners.

Do you offer OEM and aftermarket parts?

Yes, we manufacture high-quality OEM parts and supply aftermarket parts from top brands such as NOK, Parker, SKF, and Hallite to ensure optimal performance.

How can I ensure I’m selecting the right part for my equipment?

Our expert team can assist you in finding the right part based on your machine model, specifications, and requirements. Contact us for personalized support.

If you have any questions or concern, please contact us.

Get in Touch
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Guangzhou Huilian Machines Co., Ltd
1st Floor, No. 389, Zhongshan Avenue East, Huangpu District, Guangzhou, Guangdong, China.
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Tags
SB152 DIAPHRAGM
SB152 DIAPHRAGM
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EHB30 Rubber Pad Damper
Furukawa hydraulic breaker
Furukawa hydraulic breaker
SB40 Breaker
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