HIGH-QUALITY 421-54-44770 GAS SPRING for KOMATSU Construction Equipment WA450 WA470 WA480 Excavator
The HIGH-QUALITY 421-54-44770 GAS SPRING is a premium auxiliary component meticulously engineered for KOMATSU Construction Equipment, specifically tailored to meet the rigorous operational demands of WA450, WA470, and WA480 excavators. As a critical part of machinery auxiliary systems, this gas spring delivers consistent, smooth force support and reliable damping performance, effectively reducing operational vibration, simplifying equipment maintenance access, and enhancing the overall safety and efficiency of your KOMATSU excavator.
Key Features
· Custom-engineered for perfect compatibility with KOMATSU WA450, WA470, WA480 excavators
· Stable force output and adjustable damping to adapt to varying operational loads
· High-pressure resistance and leak-proof design for long-term reliability in harsh construction environments
· Corrosion-resistant exterior coating to withstand dust, moisture, and extreme temperature fluctuations
· Compliance with OEM specifications to ensure seamless integration and consistent performance
Compatible Models
KOMATSU Construction Equipment Excavators: WA450, WA470, WA480
Dear Valued Partners,
Thank you for entrusting SPARKLING MACHINERY with your construction equipment component needs—your confidence fuels our commitment to excellence. Today, we are proud to introduce the HIGH-QUALITY 421-54-44770 GAS SPRING, a product crafted with precision and durability to complement KOMATSU’s world-class excavators.
Whether you’re replacing a worn component or upgrading your machinery for enhanced performance, this gas spring is designed to meet and exceed your expectations with its reliable functionality and seamless adaptability.
The SPARKLING MACHINERY NEW 421-54-44770 GAS SPRING Photo:



Why Choose the SPARKLING HIGH-QUALITY 421-54-44770 GAS SPRING?
- Direct-fit compatibility: Precisely manufactured to match the exact specifications of KOMATSU WA450, WA470, WA480 excavators, ensuring tool-free, hassle-free installation without the need for modifications or adjustments.
- Precision control: Advanced hydraulic engineering and strict manufacturing tolerances guarantee consistent force delivery and smooth damping control, optimizing equipment operation and reducing operator fatigue.
- Rigorous quality: Undergoes comprehensive quality testing, including high-pressure leakage tests, durability cycling, and material integrity inspections, to meet OEM standards and ensure reliable performance in extreme working conditions.
- Professional support: Our dedicated team of technical experts provides end-to-end support—from pre-purchase compatibility to post-installation troubleshooting—ensuring you have the guidance needed for seamless integration and long-term use.
- Cost-effective reliability: Offers exceptional durability and performance at a competitive price point, minimizing downtime, reducing replacement frequency, and maximizing the overall value of your KOMATSU equipment investment.
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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