The YNF17304 Pulley is a precision-machined belt pulley designed for the Komatsu 6D102 engine. With a 4-hole mounting design and 8-groove profile, it delivers stable belt engagement and efficient power transmission for engine-driven accessories. Manufactured with high-strength materials, this pulley provides long-lasting performance even in harsh working environments.

• Designed for 6D102 diesel engine configurations

• 4-hole mounting for secure installation

• 8-groove belt track ensures smooth power transfer

• High-strength steel for durability and wear resistance

• Accurate machining for reduced vibration and belt noise

• Compatible replacement for 3914458

• Reliable performance for excavators and heavy machinery

Used on Hitachi EX200-5 excavators for maintaining efficient cooling of the 6BG1 diesel engine.

We provide model verification, installation tips, troubleshooting help, and comprehensive after-sales support.

Each pump is packed with anti-rust protection, molded foam, and a reinforced export carton to ensure safe transit.

1. Does this pump fit all EX200-5 models?
Yes, as long as the machine uses a 6BG1 engine.

2. Is the gasket included?
Contact us to confirm current availability.

3. How do I know my water pump is failing?
Symptoms include coolant leaks, noise from the pump area, or engine overheating.

4. Is this pump ready for direct installation?
Yes, it matches OEM dimensions and mounting points.

5. What maintenance helps extend pump life?
Keep the cooling system clean and use proper coolant mixtures.