The YNF12539 Air Intake Hose (OEM Part No. 21W-01-21330) is designed for PC75UU excavators. This hose is used in the engine air intake system to transfer filtered air from the air cleaner to the engine intake pipeline, helping maintain stable airflow for efficient engine combustion and reliable machine performance.

Made according to OEM standards, this hose is constructed from reinforced rubber materials, providing good heat resistance, pressure resistance, and durability under vibration and harsh working conditions.

• OEM Part No.: 21W-01-21330

• YNF Part No.: YNF12539

• Compatible with PC75UU excavators

• Reinforced rubber intake hose

• Good resistance to heat, pressure, and aging

• Flexible design for easy installation

• Precision molded for reliable sealing

• OEM replacement quality

• Engine air intake system

• Air cleaner to engine intake connection

• Supports stable airflow for combustion efficiency

• OEM part number verification

• Model compatibility confirmation

• Stable export supply

• OEM and customized production available

• Protective individual packaging

• Export-standard carton packaging

• Neutral or YNF branded packaging available

Q1: Is YNF12539 a direct replacement?
A: Yes, it is manufactured according to OEM specifications.

Q2: Which machine model is this hose used for?
A: PC75UU excavators.