ranroswang@hksparkling.com 
+86 138 2341 8469
KOMATSU HIGH-QUALITY EXCAVATOR PARTS MADE IN CHINA NEW PC220 PC240 PC290 PC300 PC350 20Y-54-52860 LOCK ASS'Y SPARKLING MACHINERY
SPARKLING MACHINERY's new 20Y-54-52860 Lock Ass'y is a core safety component specifically designed for Komatsu PC220/PC240/PC290/PC300/PC350 excavators, suitable for construction and mining applications. It secures excavator components (e.g., boom, bucket) in place during operation or maintenance, preventing accidental movement.
Compliant with Komatsu OEM standards (Part No.: 20Y-54-52860), this component exhibits excellent locking reliability and structural stability, ensuring seamless compatibility with original equipment and long-term safe operational performance.
As a trusted partner for ensuring the operational safety of Komatsu excavators, we are pleased to introduce the high-quality 20Y-54-52860 Lock Ass'y.
Dear customers, we sincerely appreciate your choice of SPARKLING MACHINERY products; your trust in our components is of great value to us. This essential safety component plays a crucial role in securing key excavator components, avoiding potential safety accidents caused by accidental movement, and protecting operators and equipment. A defective lock ass'y may lead to component misalignment, operational hazards, or even equipment damage. Fortunately, our 20Y-54-52860 Lock Ass'y fully complies with original equipment specifications, ensuring reliable and secure usage.
The SPARKLING MACHINERY NEW 20Y-54-52860 LOCK ASS'Y Photo:
Key Advantages of SPARKLING's New 20Y-54-52860 LOCK ASS'Y:
- Perfect Compatibility: Custom-engineered for the structural systems and mounting interfaces of Komatsu PC220/PC240/PC290/PC300/PC350 excavators; marked with part number 20Y-54-52860, it perfectly matches the original mechanical structure, facilitating straightforward installation without any modifications and reducing replacement downtime by 35%.
- Excellent Locking Reliability: Adopting high-strength alloy steel structure and precision locking mechanism, it achieves a locking force of ≥80kN; the self-locking design ensures stable locking without accidental release, even under strong vibration or external impact, effectively guaranteeing operational safety.
- Strict Quality Assurance: Subjected to over 30 rigorous tests, including locking force, structural strength, wear resistance, and corrosion resistance evaluations; it can withstand harsh operating environments such as high temperatures (-25°C to 110°C), strong vibrations, and dusty/wet conditions in construction and mining areas, with a service life of up to 18,000+ working hours.
- Professional Technical Support: 24/7 online technical assistance is provided, including detailed installation guidelines, locking/unlocking operation procedures, and troubleshooting solutions for lock ass'y-related issues such as difficult locking or failure to release; the average response time is less than 2 hours.
- Cost-Effective Reliability: It delivers OEM-level performance at a competitive price; high-quality alloy steel materials and precision machining ensure superior durability and structural stability, extending the service life by 90% compared to conventional lock ass'y and reducing long-term replacement and maintenance costs by 50%.
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.
Contact us
Email: ranroswang@hksparkling.com
Wechat: +86 136 0901 0879
Skype: foreverlucia1
WhatsApp: +86 136 0901 0879
Address: No. 514-515, Hulin Road, Tianhe District, Guangzhou, China.
Sparkling Machinery Co.,Ltd
foreverlucia1