Huilian SB70TSP Diaphragm — Reliable Excavator Breaker Part
Product Overview
The Huilian SB70TSP diaphragm is a high-quality replacement part designed for hydraulic excavator breakers. Built by Huilian Machine — an OEM supplier founded in 2005 — this diaphragm offers consistent performance, long service life, and reliable sealing for demanding on-site conditions.
Key Benefits
Durable Materials
Made from reinforced elastomers and precision-molded components, the SB70TSP diaphragm resists wear, oil, and temperature changes. Its robust construction reduces downtime and lowers lifetime maintenance costs.
Easy Installation
The diaphragm is manufactured to OEM tolerances for straightforward, fast replacement. Clear fitting dimensions and compatibility mean technicians can install it quickly with standard tools, minimizing equipment idle time.
Practical Value
For contractors and equipment owners, the SB70TSP diaphragm provides dependable sealing that keeps hydraulic systems efficient and prevents leaks. Better sealing translates to steady breaker power, improved fuel efficiency, and reduced repair frequency — directly impacting project timelines and budgets.
Why Choose Huilian
Huilian Machine has been supplying excavator parts since 2005 and exports to over 90 countries. Our team includes experienced technicians, R&D experts, quality control personnel, and dedicated after-sales support. We offer a wide range of breaker components — from hammers and chisels to pistons, seals, and liners — ensuring you get matched parts and reliable service.
Specifications & Compatibility
The SB70TSP diaphragm is designed for SB70 series breakers and compatible models. For exact fitment and specifications, refer to product drawings or contact Huilian's support team. We provide product sheets and assistance to confirm compatibility with your machine.
Ordering & Support
Order directly from Huilian or through our global distributors. We offer fast shipping, quality inspection, and technical guidance to ensure correct installation. Visit https://www.huilianmachine.com/ for catalogs and distributor contacts.
Choose the Huilian SB70TSP diaphragm for a cost-effective, durable sealing solution that keeps your breaker performing at its best.
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Qualification Certificate
GMP Certificate
Certificate of Honor
ORI Certificate
Frequently Asked Questions
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.
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.
Are your parts compatible with all excavator brands?
Yes, our parts are designed to be compatible with major brands like Komatsu, Caterpillar, Hitachi, Hyundai, Doosan, JCB, Kobelco, Sany, and many more.
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.
If you have any questions or concern, please contact us.

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