The YNF15917 22B-03-11250 Radiator Lower Hose is designed for Komatsu PC128 and PC138 excavators, ensuring efficient coolant return flow from the engine to the radiator. Manufactured using high-quality synthetic rubber with reinforced textile layers, this hose is built to withstand high temperature, pressure, and continuous vibration in demanding working environments. It plays a critical role in maintaining stable engine temperature and preventing overheating during heavy-duty operation.

• OEM Cross Reference: 22B-03-11250

• Machine Compatibility: Komatsu PC128, PC138

• Premium Rubber Material: Excellent resistance to heat, coolant, oil mist, and aging

• Reinforced Multi-Layer Structure: Enhanced strength and burst resistance

• Flexible & Durable: Absorbs engine vibration and movement without cracking

• Stable Coolant Circulation: Supports consistent engine cooling performance

• Precision Molded Design: Ensures secure fit and leak-free connection

• Returns coolant from engine to radiator

• Maintains safe operating temperature for PC128 and PC138

• Suitable for construction, municipal projects, and earthmoving operations

• Strict Quality Control: Each hose inspected before shipment

• Fitment Confirmation: Assistance available to verify compatibility

• Technical Guidance: Installation and product consultation support

• Reliable After-Sales Service: Quick response to customer inquiries

• Individual Protective Packaging: Prevents deformation or damage

• Clear Product Labeling: Part number and model identification included

• Multiple Shipping Options: Sea freight, air freight, DHL, FedEx, UPS

• Export Documentation Support: Complete paperwork for international delivery

Q: Is this lower hose suitable for both PC128 and PC138?
A: Yes, it is manufactured according to OEM specification 22B-03-11250 and fits both models.

Q: What material is used in production?
A: It is made from reinforced synthetic rubber designed for high durability and long service life.

Q: Can it handle high-temperature working conditions?
A: Yes, it is engineered for heavy-duty cooling system environments.

Q: Do you provide assistance before ordering?
A: Yes, we can help confirm compatibility based on machine model or part number.