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Radiator Upper Hose 487-7301 for Caterpillar CAT345D2 YNF16812 Coolant Pipe

Upper radiator hose 487-7301 for CAT345D2; heat-resistant molded coolant pipe.

  • OEM replacement for Caterpillar part number 487-7301.

  • Specifically molded for CAT345D2 upper radiator outlet.

  • Made from EPDM rubber with textile reinforcement.

  • Excellent resistance to coolant, temperature, and vibration.

  • Maintains secure coolant flow between engine and radiator.

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CAT345D2 Upper Radiator Hose Description

YNF16812 radiator hose is engineered as a direct-fit replacement for Caterpillar part 487-7301, designed for the CAT345D2 excavator. This upper coolant hose connects the engine cylinder head to the radiator top inlet, transporting high-temperature coolant for effective thermal regulation. Built from durable EPDM rubber and reinforced with textile fibers, it resists cracking, softening, and fatigue caused by heat, pressure, and vibration. Its OEM-style curvature ensures proper fitment and minimal stress during installation, helping to prevent coolant leaks and overheating in demanding jobsite conditions.

Radiator Hose Technical/Data Sheet

Parameter Specification
Part Number 487-7301
YNF Number YNF16812
Compatible Machine Caterpillar CAT345D2
Product Type Radiator Hose (Upper)
Material EPDM Rubber with Fabric Reinforcement
Function Engine to radiator upper coolant flow
Temperature Range -40°C to +130°C
Pressure Rating 1.5–2.0 MPa
Shape Pre-molded OEM routing
Brand YNF
Origin China
MOQ 1 Piece
Payment Terms T/T, L/C, Western Union
Shipping Express, Air, Sea

Radiator Hose Applications for CAT345D2

Application Scenario Description
Excavator Cooling Systems Transfers coolant from engine to radiator inlet.
Maintenance and Overhaul Kits Key component in thermal management.
OEM & Aftermarket Replacement Suitable for parts distributors and repair centers.
Engine Rebuild or Hose Upgrade Durable replacement to prevent coolant failure.

487-7301 Radiator Hose Detail Display

FAQs

Related Products

  • Lower Radiator Hose for CAT345D2

  • Water Pump Assembly CAT Series

  • Caterpillar Coolant Temperature Sensor

FAQs

  • Q: Can this be used for CAT345D or 349D models?
    A: It is specifically molded for CAT345D2. For other models, please confirm compatibility.

  • Q: Does this hose come with clamps?
    A: No, clamps are not included but can be supplied on request.

Knowledge Base
Radiator hoses like 487-7301 play a crucial role in maintaining thermal stability. Over time, heat and chemical exposure degrade rubber integrity. Prevent failures with timely replacements using OEM-equivalent parts such as YNF16812.

Request Quote for 487-7301 Radiator Hose

Maintain your CAT345D2 engine’s cooling efficiency with YNF16812 radiator upper hose. Designed to match OEM part 487-7301, this hose ensures durable coolant flow under heat and pressure. Ideal for field service, fleet maintenance, or dealer stock. Inquire now with YNF Machinery for technical support and global supply options.

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