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Premium Excavator & Diesel Engine Spare Parts

Trusted supplier of high-quality cylinder blocks, cylinder heads, hydraulic pumps, and excavator components. OEM-compatible, rigorously tested, and backed by 20+ years of industry expertise.

Who We Are

Guangzhou C.Y. Machinery Parts Trading Co., Ltd. – A trusted name in heavy machinery spare parts since 1999.

Established Excellence in Engine & Excavator Components

Founded in 1999 as a subsidiary of Suier Group, CY Machinery Parts has grown into a leading supplier of high-quality diesel engine and excavator spare parts. We specialize in engine cylinder blocks, cylinder heads, hydraulic pumps, and undercarriage components.

With over two decades of experience, we serve clients across the globe with OEM-compatible parts, backed by strict quality control and a professional testing laboratory. Our brands HKT and FUP are trusted by industry professionals for durability and performance.

  • Specializing in excavator engine and hydraulic parts
  • Own brands: HKT & FUP series
  • Extensive inventory including long block assemblies and liner kits
  • Exported to over 100 countries
Hydraulic Pump Assembly Main Hydraulic Pump Engine Components Piston Pump Assembly

Our Top Products

High-performance, precision-engineered spare parts for excavators and diesel engines.

Hydraulic Main Pump

H7V63 Excavator Hydraulic Main Pump

Type: Excavator Hydraulic Main Pump Assy with Regulator

  • Compatibility: Various Excavator Models
  • Brand: HANDOK / HKT
  • Quality: OEM Standard, RoHS Compliant
Get Best Price
K5V212 Hydraulic Pump

K5V212 Main Hydraulic Pump Assy

For Sany SY485 Excavator – 15T Capacity

  • Model: K5V212DPH N082R OE02
  • Application: Sany Excavators
  • Seals: High-pressure resistant
Get Best Price
HPV145 Piston Pump

HPV145 Main Piston Pump Assy

For EX300-3 Excavator – 7 Port / 2 Port

  • Brand: HANDOK Compatible
  • Flow Rate: High-efficiency design
  • Material: Forged alloy steel
Get Best Price
Engine Cylinder Liner Kit

Engine Cylinder Liner Kit with Piston

Square Top Piston Ring Design

  • Part No.: PSK-J268
  • Includes: Liner, Piston, Rings
  • Compatibility: Multiple diesel engines
Get Best Price
HPV145DW Pump

HPV145DW Dual Port Hydraulic Pump

High-Performance Assy for EX300 Series

  • Ports: 7 Port / 2 Port Configuration
  • Pressure: Up to 350 bar
  • Seals: Nitrile & PTFE
Get Best Price
Piston Ring Kit

Square Top Piston Ring Kit

Complete Set for Engine Rebuilds

  • Material: Cast iron with chrome plating
  • Design: Square top for better sealing
  • Application: Diesel engine overhauls
Get Best Price
Excavator Oil Pump

Standard Pressure Oil Pump for CAT 3306

OEM Replacement – Part No. 3360

  • Compatibility: Caterpillar 3306 Engine
  • Flow: 45 GPM at 2500 RPM
  • Mounting: Direct fit replacement
Get Best Price
Slewing Bearing Ring

DX55 Slewing Bearing Ring

Part No. 109-00149 / 140109-00026

  • Application: Excavator Swing Mechanism
  • Material: High-strength alloy steel
  • Load Capacity: Up to 25 tons
Get Best Price

Why Choose CY Engine Parts?

Reliability, Quality, and Global Support – Built on 20+ Years of Expertise

High Quality

Strict quality control system and professional test lab ensure every part meets OEM standards.

Advanced Manufacturing

Equipped with automatic machines and precise process control for consistent output.

Custom Development

Internal design team ready to co-develop products tailored to your specifications.

100% Service

Flexible packaging, global shipping (FOB, CIF, DDP), and responsive support.

20+
Years in Business
100+
Countries Served
500+
Product Lines
99.8%
Customer Satisfaction

Frequently Asked Questions

Find answers to common inquiries about our products and services.

Are your parts compatible with OEM specifications?

Yes, all our engine and hydraulic components are engineered to meet or exceed original equipment manufacturer (OEM) standards for fit, form, and function.

Do you offer custom part development?

Absolutely. Our in-house design team and advanced workshop allow us to collaborate on developing custom solutions for unique machinery requirements.

What certifications do you hold?

We maintain RoHS compliance, undergo regular supplier capability assessments, and operate under a strict quality control system verified by third-party audits.

What shipping options are available?

We offer FOB, CIF, DDU, and DDP shipping terms to accommodate your logistics preferences and destination requirements.

Get in Touch

For quotes, technical support, or partnership opportunities, visit our official website to connect with our team.

Visit Official Website

Contact Person: Sheng

Email: sale01@cyptl.com

Company: Guangzhou C.Y. Machinery Parts Trading Co., Ltd.

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