The421-57-31730 Damperis a premium, direct-fit replacement vibration damper component, precisely engineered for the KomatsuHM250articulated dump truck andWA320wheel loader. As a critical element of the engine's rotating assembly, this damper is designed to reduce torsional vibrations from the crankshaft, protecting the engine from harmful harmonic oscillations and ensuring smooth, reliable operation under the most demanding working conditions.
High-strength Steel with precision-engineered rubber damping elements, heat-treated for superior durability and vibration resistance.
Condition
Brand New – Genuine
Warranty
6 Months
Packaging
Standard Export Carton with protective foam padding, depending on order quantity.
Availability
Generally in stock, subject to final confirmation upon order.
Origin
China
Features & Benefits
Precision Compatibility: Engineered for a perfect, direct fit on Komatsu HM250 and WA320 engine assemblies, ensuring straightforward installation.
Vibration Reduction: Designed to effectively reduce torsional vibrations, protecting the engine from harmonic damage and ensuring smooth operation.
Superior Durability: Constructed with high-strength materials and precision-engineered rubber elements, offering excellent resistance to wear, fatigue, and heat for a prolonged operational lifespan.
Rigorous Quality Assurance: Each unit undergoes comprehensive factory testing for dimensional accuracy and performance before shipment.
Cost-Effective Value: Provides exceptional value compared to alternatives, combining reliable performance with competitive pricing.
Compatible Machine & Applications
Compatible Machine This damper is specifically designed for the:
Komatsu HM250 Articulated Dump Truck
Komatsu WA320 Wheel Loader
To ensure correct matching, please provide your machine serial number (S/N) or engine serial number (E/S) to our team. We will verify the match for you promptly.
Applications This damper is a vital component for machinery operating in:
Heavy Construction and Earthmoving
Mining and Quarry Operations
Aggregate Processing and Material Handling
Infrastructure Development
Forestry and Land Clearing
Why Choose YLCM?
YLCM Parts is your trusted global supplier of high-quality engine components and spare parts for all major heavy equipment brands. With over 22 years of industry experience, we are committed to providing:
Genuine, Aftermarket & OEM-Spec Options: We offer flexible sourcing to meet your specific quality and budget needs.
Factory-Direct Pricing: We partner directly with verified manufacturers to ensure competitive costs.
Global Reach: We have successfully exported to more than 50 countries.
Uncompromising Quality: Every product is sourced from reputable factories and inspected before shipment.
Expert Support: Our knowledgeable team provides fast, accurate technical support and 24-hour quote responses.
Packaging & Shipping
We ensure all parts are securely packaged for international transit.
Packaging Options: Standard export carton with protective foam padding, selected based on order quantity.
Protection: Includes moisture-proof wrapping and secure internal packing to prevent damage during sea, rail, or multimodal transport.
Frequently Asked Questions
Q: Is this a genuine Komatsu part? A: Yes, our engine products are genuine Komatsu parts. In addition, we also offer high-quality aftermarket and OEM-spec components to meet diverse customer needs and budget requirements. Please contact us if you have a specific preference, and we will be happy to assist.
Q: How do I confirm this part is correct for my engine or machine? A: To ensure perfect compatibility, please provide your engine serial number (E/S), machine serial number (S/N), or the original part number to our team. We will verify the match for you promptly.
Q: What is the warranty on this product? A: This product comes with a standard 6-month warranty against manufacturing defects.
Q: What is the typical shipping time? A: This item is generally in stock. The final lead time will be confirmed when we provide your official quote.
