Discover the High-Performance 310-0395 Relief Valve for CAT320C – Now Available from Ningbo Longer Machinery

What Is the 310-0395 Relief Valve?

The 310-0395 Relief Valveis a critical component in the hydraulic system of the Caterpillar 320C excavator. Its primary function is to regulate Hydraulic Pressure within safe operational limits, preventing system overloads, damage to internal components, and ensuring the overall safety and efficiency of the machine during heavy-duty operations.

Key specifications include:

• Part Number: 310-0395

• Application: CAT320C Excavator

• Function: Hydraulic pressure regulation and system protection

• Material: High-grade steel with corrosion-resistant treatment

• Installation Location: Main control valve section

• OEM Standards: Meets or exceeds Caterpillar OEM specifications

Why the 310-0395 Valve Matters for CAT320C Owners

The CAT320C is a widely used excavator model in construction, mining, and infrastructure development. Maintaining its hydraulic system is essential for optimal performance. A malfunctioning or low-quality relief valve can lead to pressure spikes, loss of control, or catastrophic system failure. That's why sourcing a high-quality relief valve like the 310-0395 from a trusted supplier is crucial.

Ningbo Longer’s version of the 310-0395 is manufactured with precision engineering, rigorous quality inspections, and field-tested durability, ensuring long-lasting performance in demanding environments.

Ningbo Longer Machinery: Your Trusted Supplier

Established in Ningbo, China, Ningbo Longer Machinery Co., Ltd. has over a decade of experience in manufacturing and exporting excavator spare parts. Our company focuses on hydraulic parts, final drives, travel motors, engine components, and undercarriage parts for a wide range of machinery brands, including Caterpillar, Komatsu, Hitachi, Volvo, Hyundai, and Kobelco.

Why Choose Ningbo Longer for the 310-0395 Valve?

• ✅ Factory-Direct Pricing – No middlemen, better margins for you

• ✅ Strict Quality Control – Every valve undergoes pressure testing before shipment

• ✅ Large Inventory – Ready-to-ship stock for fast delivery

• ✅ Customized Packaging – Anti-corrosion and export-grade packing

• ✅ Global Shipping – Fast, reliable logistics to North America, Europe, Southeast Asia, and Africa

• ✅ Professional Support – Multilingual sales and technical assistance

Testimonials from Global Buyers

“We’ve been sourcing 310-0395 valves from Ningbo Longer for three years. Their quality has never disappointed us. Our clients in Brazil trust the products, and the after-sales support is exceptional.”
— Carlos M., Parts Importer, São Paulo

“Reliable supplier, excellent packaging, and most importantly—OEM-quality valves. Highly recommended for Caterpillar aftermarket parts.”
— Ahmed R., Hydraulic Specialist, UAE

OEM Quality with Aftermarket Advantage

One of the greatest advantages of sourcing the 310-0395 Relief Valve from Ningbo Longer is the perfect balance of OEM-level quality at aftermarket pricing. We understand the pressures of construction deadlines, budget constraints, and machinery downtime. That’s why our team ensures every valve is:

• Machined to tight tolerances

• Tested at high and low pressure cycles

• Compatible with original CAT320C systems

• Easy to install with no modification required

Technical Support & Customization Services

At Ningbo Longer, we offer more than just parts—we provide solutions. Our engineering team is ready to assist international buyers with:

• Technical drawings & specifications

• Installation guides and manuals

• Custom marking, logos, or labeling

• Bulk order configurations and OEM replacements

For fleet operators or machinery maintenance businesses, we also offer contract manufacturing services for custom valve assemblies.

Ordering the 310-0395 Relief Valve

Whether you are a dealer, distributor, or end user, placing an order with Ningbo Longer is simple and efficient. We support:

• Low MOQ (Minimum Order Quantity)

• Door-to-door shipping (by air, sea, or courier)

• Real-time tracking and delivery updates

Interested buyers can contact us directly through email at: david@longerfa.com

As the global demand for construction equipment maintenance grows, having access to durable, reliable, and cost-effective spare parts becomes more essential than ever. The 310-0395 Relief Valve for CAT320C excavators is a critical component that Ningbo Longer Machinery delivers with confidence and quality assurance.

Don’t risk downtime or substandard performance—partner with a manufacturer who stands behind their products.

Visit our website at www.longerfavalves.com to learn more, request a quote, or chat with a product specialist.

Contact
Ningbo Longer Machinery Co., Ltd.
No.18 Xingye East Road, Xiepu Town, Zhenhai District, Ningbo City, Zhejiang Province，China
Email: daivd@longerfa.com
Website: www.longerfavalves.com