The YNF16352 421-03-22120 Radiator Lower Hose is designed for the Komatsu WA470-3 wheel loader, providing a reliable path for coolant to return from the engine to the radiator. Constructed with high-quality synthetic rubber reinforced with durable fabric layers, this hose is engineered to withstand high temperatures, pressure, and engine vibration. It ensures stable engine cooling and prevents overheating in demanding construction, quarry, and heavy-duty material handling operations.

This hose corresponds to OEM part number 421-03-22120, making it a direct replacement for WA470-3 machines.

• OEM Cross Reference: 421-03-22120

• Machine Compatibility: Komatsu WA470-3

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

• Reinforced Multi-Layer Construction: Enhances durability and pressure resistance

• Flexible & Vibration-Tolerant: Reduces cracking or leakage

• Efficient Coolant Return: Maintains consistent engine operating temperature

• Precision Molded Design: Secure, leak-free installation

• Returns coolant from engine to radiator

• Maintains optimal cooling system performance for WA470-3

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

• Strict Quality Inspection: Each hose tested 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 deformation or transport damage

• 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 lower hose compatible with WA470-3?
A: Yes, it matches OEM specification 421-03-22120 for WA470-3.

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

Q: Can it withstand heavy-duty operating conditions?
A: Yes, it is engineered for demanding construction and quarry cooling applications.

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