Lower Radiator Hose Description
The YNF16960 Radiator Hose (Part No. 17M-03-43271) is a lower water pipe engineered for Komatsu D275A-5 bulldozers. It functions as the outlet conduit carrying cooled fluid from the radiator back to the engine block. This hose is made from EPDM-based rubber with internal textile reinforcement, allowing it to endure extreme heat, pressure, and chemical exposure from coolant fluids. Designed to match OEM routing and dimensions, it is a critical part for fleet maintenance teams, engine overhaul shops, and Komatsu parts dealers.
7M-03-43271 Radiator Hose Technical Sheet
| Parameter |
Value |
| Part Name |
Radiator Hose (Lower) / 下水管 |
| Part No. |
17M-03-43271 |
| YNF No. |
YNF16960 |
| Applicable Model |
Komatsu D275A-5 |
| Position |
Lower (Radiator Base to Engine) |
| Material |
EPDM/NBR Reinforced Rubber |
| Temperature Range |
-40°C to +130°C |
| Pressure Rating |
Up to 1.5 bar |
| Oil and Coolant Resistant |
Yes |
| Fitment |
OEM-standard direct replacement |
| Brand |
YNF Machinery |
| Country of Origin |
China |
| MOQ |
1 Piece |
| Shipping |
Express / Sea / Air |
| Payment Terms |
T/T, Western Union |
Lower Radiator Hose Applications
| Application Scenario |
Description |
| Bulldozer Cooling System |
Carries coolant from radiator back to engine |
| Engine Overhaul & Repair |
Replaced during D275A-5 thermal system servicing |
| Heavy Equipment Maintenance |
Stock item for field repair teams and service depots |
| OEM Replacement Market |
Alternative to Komatsu 17M-03-43271 hose |
| B2B Spare Part Distribution |
Frequently demanded part in aftermarket cooling systems |
Komatsu D275A-5 Radiator Hose 17M-03-43271 Display
Why Choose an OEM-Compatible Radiator Hose?
Hoses exposed to extreme heat and coolant pressure must be robust to prevent engine overheating or coolant leaks. YNF16960 is designed to perform in demanding bulldozer conditions, restoring reliable cooling flow in Komatsu D275A-5 engine systems.
Related Products:
-
D275A-5 Upper Radiator Hose
-
Water Pump Assemblies for Komatsu
-
Engine Cooling Fan Blades
-
Thermostat Units and Housings
-
Radiator Core and Cap Assemblies
FAQs:
-
Can this be used on other Komatsu models?
It is designed for D275A-5. Compatibility with other models should be confirmed by part number.
-
Is it suitable for high-load usage?
Yes, built with reinforced rubber to handle continuous heavy-duty operation.
