Welcome to PHP Hydraulics, your trusted supplier of high-quality replacement hydraulic piston pump parts. We specialize in providing a wide range of components for after-market use, including parts for Rexroth A4VSO series pumps. Whether you're looking for maintenance supplies or remanufacturing solutions, we are here to help.
Our product line includes various models such as A4VSO40, A4VSO45, A4VSO56, A4VSO71, A4VSO125, A4VSO180, A4VSO250, A4VSO355, and A4VSO500. We offer a comprehensive selection of replacement parts, such as the rotary group, piston shoes, ball guide, cylinder block, valve plate (left/right), thrust plate, drive shaft, retainer, spacer, and disc spring.
We take pride in manufacturing parts that are fully interchangeable with original equipment manufacturer (OEM) components from brands like Caterpillar, Rexroth, and Kawasaki. Our products ensure the same quality and precision as genuine parts, helping you reduce costs on excavator main pump maintenance.
At PHP, our team consists of highly skilled technicians with over 10 years of experience in hydraulic pump remanufacturing. We don’t just sell products—we provide expert advice and practical tips to help you maintain and repair your hydraulic systems effectively.
Quality is at the core of everything we do. From raw materials to machining and heat treatment, every step is carefully controlled. Our workshop ensures stable temperatures and sufficient time for heat treatment, guaranteeing reliable and durable components.
When it comes to delivery and service, we are committed to quick responses and efficient shipping. If the part you need is in stock, we can deliver it within 2–3 days after payment. If not in stock, we typically prepare the order within 14–25 days—rarely exceeding this timeframe.
Whether you're a professional technician or a business owner looking for cost-effective hydraulic solutions, PHP is your partner in quality, reliability, and service. Contact us today to learn more about our products and how we can support your hydraulic system needs.
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