The YNF13377 and YNF13378 Radiator Hose Set is designed for the XE135B excavator equipped with the 4BG1 engine. This set includes both the upper and lower radiator hoses, providing a complete solution for the engine cooling system.

The upper hose (YNF13377) transfers hot coolant from the engine to the radiator, while the lower hose (YNF13378) returns cooled coolant back to the engine. Together, they ensure stable coolant circulation, proper heat dissipation, and reliable engine performance under demanding working conditions.

Manufactured according to OEM standards, both hoses guarantee precise fitment, secure sealing, and long service life.

• Complete radiator hose set: upper and lower hoses included

• Compatible with XE135B excavator (4BG1 engine)

• Manufactured to OEM specifications for direct replacement

• High-quality rubber resistant to heat, pressure, and coolant corrosion

• Reinforced construction for durability in heavy-duty applications

• Precision-molded for accurate installation and leak-free performance

• Ideal for cooling system maintenance and full replacement

• Machine model: XE135B

• Engine type: 4BG1

• Components included:

  • YNF13377 — Radiator Upper Hose

  • YNF13378 — Radiator Lower Hose

• Function: Ensures efficient coolant circulation and stable engine temperature control

• Assistance with model and engine confirmation

• Technical support for cooling system installation

• Stable export supply for distributors and wholesalers

• OEM and customized production available

• Individually protected hoses to prevent deformation

• Supplied as a complete set for convenient installation

• Export-standard carton packaging

• Neutral or YNF branded packaging optional

Q1: Is this set suitable for all XE135B models?
A: Yes, it is designed for XE135B equipped with the 4BG1 engine.

Q2: Are these hoses OEM-standard replacements?
A: Yes, both hoses are manufactured according to OEM specifications.

Q3: Can I purchase the upper or lower hose separately?
A: Yes, YNF13377 and YNF13378 are available individually or as a complete set.