The YNF16345 421-03-22111 Radiator Upper Hose is designed for the Komatsu WA450-3 wheel loader, ensuring efficient coolant flow from the radiator to the engine. Made from high-quality synthetic rubber reinforced with multi-layer fabric, this hose provides excellent resistance to heat, pressure, and engine vibration. It plays a critical role in maintaining stable engine temperature and reliable operation in construction, quarry, and heavy-duty material handling environments.

• OEM Cross Reference: 421-03-22111

• Machine Compatibility: Komatsu WA450-3

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

• Reinforced Multi-Layer Construction: Enhanced durability and burst resistance

• Flexible & Vibration-Resistant: Reduces cracking risk under engine movement

• Stable Coolant Flow: Maintains consistent engine operating temperature

• Precision Molded Design: Secure, leak-free installation

• Transfers coolant from radiator to engine

• Maintains optimal cooling efficiency for WA450-3

• Suitable for heavy-duty construction, quarry, and material handling operations

• Strict Quality Inspection: Each hose checked before shipment

• Technical Assistance: Fitment verification and installation guidance

• Responsive After-Sales Service: Quick support for customer inquiries

• Compatibility Confirmation: Guidance based on part number or machine model

• Individual Protective Packaging: Prevents damage during transport

• Clear Identification Labeling: Part number and model clearly marked

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

• Complete Export Documentation: Ready for international shipment

Q: Is this upper hose compatible with WA450-3?
A: Yes, it is manufactured according to OEM specification 421-03-22111 for Komatsu WA450-3.

Q: What material is used?
A: Reinforced synthetic rubber designed for durability and high-temperature resistance.

Q: Can it withstand heavy-duty working conditions?
A: Yes, it is engineered for demanding cooling system applications.

Q: Do you provide fitment confirmation before ordering?
A: Yes, we can verify compatibility based on your machine information.