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Shiyan Mingqi Industry and Trade Co., Ltd
CN
Cummins QSL8.9 Diesel Engine Crankshaft Pulley Assembly for LiuGong Excavators – Part No. C3943661
Cummins QSL8.9 diesel engine crankshaft pulley assembly — a precision-engineered, factory-specified component designed exclusively for seamless integration and optimal performance in LiuGong hydraulic excavators. Bearing the genuine Cummins part number C3943661, this high-strength, dynamically balanced pulley assembly is manufactured to meet stringent OEM tolerances and durability standards. It features a robust cast-iron or high-grade alloy steel construction (depending on production batch), precision-machined grooves for reliable belt tracking, and corrosion-resistant surface treatment to withstand harsh operating environments typical of heavy-duty excavation work. Fully compatible with the QSL8.9’s front-end accessory drive system, it ensures accurate timing synchronization, minimizes vibration-induced wear, and supports consistent power transmission from the crankshaft to ancillary components such as the alternator, air compressor, and coolant pump. Ideal for preventive maintenance

Cummins QSL8.9 diesel engine crankshaft pulley assembly, part number C3943661, designed specifically for LiuGong excavators.




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