Upper Radiator Hose Description
The YNF16934 Upper Radiator Hose (Part No. KSH10690) is a key component in the cooling circuit of SH330 and SH350A5 excavators. It routes hot coolant from the engine to the radiator, enabling effective heat dissipation. Manufactured from high-grade EPDM reinforced rubber, this hose offers excellent flexibility, high-temperature resistance, and durability under engine vibration. It’s a direct-fit replacement for the OEM part and is widely used in excavator fleet maintenance, B2B aftermarket supply, and repair shops focusing on Sumitomo machines.
KSH10690 Radiator Hose Technical Sheet
| Parameter |
Value |
| Part Name |
Radiator Hose (Upper) |
| Part No. |
KSH10690 |
| YNF No. |
YNF16934 |
| Machine Models |
Sumitomo SH330, SH350A5 |
| Application Area |
Engine Cooling System |
| Position |
Upper – Engine to Radiator |
| Material |
EPDM/NBR Reinforced Rubber |
| Temperature Range |
-40°C to +130°C |
| Pressure Resistance |
Up to 1.5 bar |
| OEM Replacement |
Yes |
| Brand |
YNF Machinery |
| Country of Origin |
China |
| MOQ |
1 Piece |
| Shipping |
Air / Sea / Express |
| Payment Terms |
T/T, Western Union |
Radiator Upper Hose Applications
| Application Scenario |
Description |
| Excavator Cooling System |
Routes coolant from engine head to radiator inlet |
| SH Series Engine Maintenance |
Suitable for SH330 and SH350A5 upper hose replacements |
| OEM-Alternative Hose Replacement |
Designed to match original KSH10690 hose specifications |
| Heavy Machinery Fleet Support |
Common stock item for cooling system service |
| B2B Spare Part Distribution |
High-turnover product for engine thermal management |
SH330 SH350A5 Radiator Hose KSH10690 Display
Why Replace the Upper Radiator Hose?
The upper hose plays a key role in transferring hot coolant from the engine to the radiator. Over time, rubber hoses may degrade due to heat, pressure, or fluid corrosion. YNF16934 ensures secure fitment and reliable performance in Sumitomo SH series excavator cooling systems, helping prevent leaks and overheating.
Related Products:
-
SH330/SH350A5 Lower Radiator Hose
-
Radiator Assembly for SH Series
-
Thermostat Housing Components
-
Water Pump for SH330/350
-
Complete Engine Cooling Hose Kits
FAQs:
-
Is this hose flexible?
Yes, the rubber is reinforced yet flexible enough for curved routing.
-
Does this come with clamps?
No, but hose clamps can be supplied upon request.
