The C4.4 engine crankshaft pulley (8 grooves) transmits power from the engine crankshaft to the belt system, driving accessories such as the alternator, water pump, and air conditioning pump. This pulley is made of high-strength materials, offering strong wear and corrosion resistance. Its precise groove positioning and stable tension effectively reduce belt slippage and noise, ensuring stable engine operation. Suitable for long-term, high-load operating environments, it is a key component for C4.4 engine maintenance and replacement.
Features and Advantages
• Precise Transmission: The 8-groove design ensures stable belt engagement and reduces slippage.
• High-Strength Material: Wear-resistant and corrosion-resistant, suitable for high-intensity operating environments.
• Easy Installation: Standard size, directly replaceable with original parts.
• Performance Enhancement: Maintains efficient operation of the accessory system, improving overall engine efficiency.





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Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: If I only know the excavator model, but can not offer parts No., what should I do?
A2: If possible, you can send us pictures of old products, name plate or the size for reference.
Q3: Can you accept sample order?
A3: Yes sure. We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q4: Do you test all your goods before delivery?
A4: Yes, we have 100% test before delivery.
Q5: How can I do if there is something wrong with the items?
A5: Our products have been professionally tested and the quality is very stable. If you really found something wrong, please contacts. We have a professional after-sales team to help you solve the problem.