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Delivering durable, high-performance excavator replacement parts for CAT, Komatsu, Hitachi, Cummins, Hyundai, Kobelco, and more. Trusted by distributors and equipment owners worldwide.
At Topvelsun, whether you require reliable excavator replacement parts for routine maintenance, cost-effective aftermarket components to maximize operational value, or precision-engineered parts that meet strict performance standards, we are your one-stop solution.
Global shipping with rapid dispatch and reliable logistics partners.
No minimum order quantity — ideal for repair shops and individual buyers.
Custom production, packaging, and branding available upon request.
Rigorous testing ensures every part meets or exceeds OEM standards.
Explore our wide range of high-quality heavy equipment components designed for durability, performance, and seamless integration.
Excavator electronic control unit with plug-and-play compatibility. High responsiveness and OEM direct fit.
Double line throttle motor for E312, E320 models. Precision actuation and long service life.
600-821-6190 / 033000-56580. High-output alternator for reliable power delivery in harsh conditions.
114400-3320 model. High-efficiency turbo for improved engine performance and fuel economy.
KOMATSU WA120-1 GD705A-4. New gear pump with high flow stability and low noise operation.
6222-81-8210. Factory-priced turbocharger with enhanced airflow and thermal resistance.
Ra-cor 500 Series fuel water separator assembly. Integrated heater for cold climate operation.
Excavator engine turbocharger with electric actuation. Factory prices, high durability.
6735-K1-1110 / 6735-K2-1110. Complete engine gasket set for Komatsu models.
12V / 24V fuel transfer pump. High flow rate, ideal for mobile refueling and maintenance.
600-211-1340 / LF9018 / P559000. Hydraulic and oil filtration for extended component life.
Excavator spare part for 6D31T engine. High-speed rotor and ceramic bearing design.
Our commitment to precision engineering and rigorous quality control ensures that every part we produce delivers the durability and performance you need to minimize downtime and keep your machinery running smoothly.
Topvelsun is a leading supplier of heavy equipment spare parts, specializing in excavator components for major brands including CATERPILLAR, KOMATSU, HITACHI, CUMMINS, HYUNDAI, and KOBELCO.
With our own manufacturing capabilities and experienced design team, we deliver high-quality replacement parts that meet or exceed OEM specifications. We support both bulk distributors and individual repair shops with flexible ordering, fast shipping, and responsive service.
Our mission is to reduce equipment downtime and operational costs by providing reliable, affordable, and readily available spare parts worldwide. Whether you're maintaining a single machine or managing a large fleet, Topvelsun is your trusted partner in performance and reliability.
Yes, we accept small orders and have no minimum order quantity (MOQ), making it easy for repair shops and individual buyers to source parts.
Yes, we offer OEM manufacturing services including custom product development, packaging, and private labeling.
We specialize in CATERPILLAR, KOMATSU, HITACHI, CUMMINS, HYUNDAI, KOBELCO, and other major heavy equipment brands.
We offer fast dispatch and reliable global shipping. Delivery times vary by destination but are typically within 5–15 business days.
Yes, every part undergoes rigorous quality control and functional testing to ensure reliability and performance.
For inquiries, quotes, or custom orders, visit our official website to contact the Topvelsun team directly.
Notice for Buyers: If you are a buyer, the above information is generated by AI collection and does not constitute any advice. If necessary, please visit the corresponding official website.
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