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Premium Hydraulic & OEM Replacement Parts

Trusted supplier of high-quality hydraulic piston pumps, gear pumps, charge pumps, and seal kits for Komatsu, Volvo, Cat, John Deere, JCB, and more.

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About Buffalo Parts

Buffalo Parts, operated by NINGBO BUFFALO HYDRAULIC EQUIPMENT CO., LTD., is a leading supplier of high-performance hydraulic components and OEM replacement parts based in Ningbo, China. With years of industry experience, we specialize in delivering reliable, precision-engineered parts for heavy machinery used in construction, mining, agriculture, and industrial applications.

We serve global clients with a vast inventory of parts compatible with Komatsu, Volvo, John Deere, JCB, Bobcat, Cat, Rexroth, Eaton, and other major brands. Our commitment to quality, competitive pricing, and fast delivery makes us a preferred partner for equipment maintenance and repair operations worldwide.

100+
Products
50+
Global Clients
8+
Years Experience
Hydraulic Pump Assembly

Our Products

Explore our wide range of high-quality hydraulic and mechanical replacement parts designed for durability, performance, and seamless compatibility with major heavy equipment brands.

Parker Commercial Gear Pump P350

Parker Commercial Gear Pump P350

Gear Housing Pump – Model: 323-8105-100

  • High-pressure gear pump housing
  • Compatible with Parker P350 series
  • Durable cast iron construction
Piston Pump for 938G

Piston Pump GP for 938G

OEM Replacement – Model: 2158298 / 215-8298

  • Direct fit for Cat 938G loaders
  • High-flow axial piston design
  • Precision-machined components
Volvo Hydraulic Pump A25E A30E

Hydraulic Pump for Volvo A25E/A30E

Model: VOE11708609 / 11708609

  • Compatible with Volvo Heavy Parts
  • High-efficiency piston pump
  • Rebuild-ready design
Parker P30 Gear Pump

Parker Commercial Gear Pump P30

Gear Housing – Model: 312-8215-100

  • For P30 series gear pumps
  • Robust housing for high duty cycles
  • OEM-spec materials and tolerances
Rotating Group Pump

Rotating Group Pump Assembly

Model: 1850235 / 185-0235

  • Precision-swashplate design
  • Ideal for pump rebuilds
  • Balanced for smooth operation
ZF Piston Pump

ZF Genuine Piston Pump

Model: 8607955145

  • High-torque piston pump
  • Compatible with ZF transmissions
  • Sealed for long service life

Sauer 51V Series Spare Parts

For 51V/C/D-060 to 250 Models

  • Pistons, swashplates, valves
  • Precision-ground surfaces
  • Complete rebuild kits available

Hydraulic Pump & Motor Seal Kits

KYB, Kawasaki, Rexroth, and more

  • Complete O-rings, seals, gaskets
  • High-temp NBR & Viton options
  • Prevents leaks and contamination
View All 300+ Products

Why Choose Buffalo Parts?

Quality Guaranteed

Rigorous quality control ensures every part meets or exceeds OEM specifications.

Fast Global Shipping

Reliable logistics network for prompt delivery to North America, Europe, Africa, and Asia.

Competitive Pricing

Direct-from-manufacturer pricing with volume discounts available.

Expert Support

Technical assistance and part identification help from experienced engineers.

300+
Parts Available
50+
Countries Served
98%
Customer Satisfaction
8+
Years in Business

Our Quality Control Process

At Buffalo Parts, quality is not an afterthought — it's built into every step of our manufacturing and sourcing process. We adhere to strict international standards to ensure reliability, longevity, and performance.

  • Material Inspection: All raw materials are tested for composition and durability.
  • Precision Machining: CNC-controlled manufacturing for exact tolerances.
  • Functional Testing: Every pump and motor is pressure and flow tested.
  • Final Audit: Multi-point inspection before packaging and shipping.
Quality Control Inspection

Frequently Asked Questions

Do you offer OEM replacement parts?

Yes, we specialize in high-quality OEM replacement parts for Komatsu, Volvo, Cat, John Deere, JCB, and other major brands. Our parts are engineered to match original specifications for seamless integration.

Can you help identify the right part for my machine?

Absolutely. Our technical team can assist with part identification using model numbers, serials, or photos. Just contact us with your equipment details.

What is your shipping policy?

We ship worldwide via DHL, FedEx, and sea freight. Most orders are processed within 1–3 business days. Express delivery options are available.

Do you provide repair or rebuild services?

While we primarily supply replacement parts, we offer complete rebuild kits and technical guidance for in-house repairs. Contact us for pump or motor rebuild support.

Get in Touch

Have questions about our products or need a quote? Reach out to our team for expert assistance.

Email: [email protected]

Location: Room 503, No 1069-2 New Rd, Beilun, Ningbo, China

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