Excavators Spare Parts 720-2M-04340 CLYL BLOCK & VALVE PLATE R for Komatsu Construction Equipment D31EX D31PX D37EX D37PX D39EX D39PX
The Excavators Spare Parts 720-2M-04340 CLYL BLOCK & VALVE PLATE R is a core hydraulic component for Komatsu D31EX/D31PX/D37EX/D37PX/D39EX/D39PX. It optimizes fluid flow/pressure, ensures leak-proof heavy-duty performance, and seamlessly integrates with Komatsu’s hydraulic system in harsh construction environments.
Key Features
· Custom-engineered for Komatsu target construction equipment models
· Integrated design for efficient hydraulic flow and pressure control
· Leak-proof structure to maintain system stability
· High-pressure resistance for heavy-duty operations
· Compliant with Komatsu OEM specs for seamless integration
Compatible Models
· Komatsu Construction Equipment: D31EX, D31PX, D37EX, D37PX, D39EX, D39PX
Dear Valued Partners,
Thank you for placing your trust in SPARKLING MACHINERY—your confidence is the cornerstone of our dedication to delivering top-tier, reliable spare parts that keep your Komatsu equipment operating at its peak. Today, we are honored to present the Excavators Spare Parts 720-2M-04340 CYL BLOCK & VALVE PLATE R, a product crafted with meticulous precision and durability at its core to complement Komatsu’s renowned D-series construction machinery.
Whether you’re replacing a worn hydraulic assembly or proactively upgrading to reinforce system integrity, this component is designed to exceed your expectations with its robust functionality, seamless fit, and long-lasting reliability—empowering your equipment to tackle demanding work scenarios with consistent, efficient hydraulic performance.
The SPARKLING MACHINERY NEW 720-2M-04340 CLYL BLOCK & VALVE PLATE R Photo:
Why Choose the SPARKLING Excavators Spare Parts 720-2M-04340 CYL BLOCK & VALVE PLATE R?
- Direct-fit compatibility: Precisely manufactured to match the exact dimensions, mounting interfaces, and hydraulic port specifications of Komatsu target models. No modifications, adapters, or system adjustments are required, enabling hassle-free installation that aligns with original equipment standards and minimizes costly downtime.
- Precision control: Advanced CNC machining ensures ultra-accurate tolerances for the cylinder block and valve plate, guaranteeing optimal fluid flow regulation and pressure stability. This precision translates to responsive hydraulic function operation, smooth equipment movement, and enhanced work efficiency for tasks requiring fine control.
- Rigorous quality: Undergoes comprehensive quality testing, including high-pressure leak detection (meeting Komatsu OEM pressure standards), hydraulic flow rate verification, wear resistance trials, and structural integrity assessments. Every unit adheres to Komatsu’s strict quality criteria to ensure reliable operation in extreme construction environments—from dusty job sites to high-moisture conditions and repetitive heavy-load cycles.
- Professional support: Our team of Komatsu-specialized technical experts provides end-to-end support—from pre-purchase compatibility confirmation to post-installation guidance on hydraulic system bleeding, pressure testing, and maintenance best practices—ensuring a seamless integration experience for every customer.
- Cost-effective reliability: Offers exceptional durability and performance at a competitive price point. By preventing costly hydraulic fluid leaks, reducing system wear, and minimizing downtime caused by hydraulic component failures, this cylinder block and valve plate assembly maximizes the return on your investment in Komatsu construction equipment.
About SPARKLING MACHINERY:
- Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

Get In Touch:
- Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.
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📦 Packing
1. Packaging methods: Carton box + Wooden case/Pallet + Anti-rust treatment
2. Export-standard packaging to ensure safety during transportation
3. Custom packaging available upon request
4. Dimensions and weight can be provided for freight calculation



🚚 Shipping
1. Available shipping methods: Sea freight, Air freight, Express delivery (DHL, UPS, FedEx, etc.)
2. LCL (Less than Container Load) and FCL (Full Container Load) options are supported
3. For Russian clients, we can introduce the forwarder agent to you
4. Delivery time: Ships within 1-3 working days after payment (for items in stock)
💳 Payment
1. Accepted methods: T/T, Bank Transfer, PayPal, Alipay, WeChat Pay, Western Union
2. Deposit + balance payment available for large or custom orders
3. Flexible payment options—feel free to contact us for details
📌 Frequently Asked Questions (FAQs)
Q: Which excavator models is this part compatible with?
A: This product is compatible with major brands such as CAT, KOMATSU, HITACHI, and more. Custom specifications are also available.
Q: How can I make sure I’m selecting the correct part?
A: You can send us a photo of the old part, part number, or your excavator model, and we will help you confirm the right match.
Q: Is there a warranty for this product?
A: Yes, we offer a 6-month quality guarantee under normal use.
Get a free quote
We are committed to producing the highest quality products at the most competitive prices. Therefore, we sincerely invite all interested companies to contact us for more information.
Sparkling Machinery Co.,Ltd
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