The YNF12971 Air Intake Hose (Part No. 11QB-20040) is designed for use in heavy-duty engine air intake systems. This hose connects the air filter housing to the engine intake or turbocharger, ensuring a smooth and stable flow of filtered air into the engine. Proper airflow helps maintain efficient combustion, stable engine performance, and reliable operation in demanding working conditions.

Manufactured from high-quality reinforced rubber, the hose offers excellent resistance to heat, pressure, vibration, and aging. Its flexible yet durable construction allows secure installation and long service life, making it suitable for construction machinery and other heavy-duty equipment.

• YNF Part No.: YNF12971

• Reference Part No.: 11QB-20040

• Engine air intake hose for air filtration system

• Reinforced rubber construction for durability

• Resistant to heat, pressure, vibration, and wear

• Flexible design for secure and easy installation

• Reliable aftermarket replacement

• Engine air intake system

• Connection between air filter housing and engine intake or turbocharger

• Ensures stable airflow for efficient combustion and optimal engine performance

• Part number verification support

• Stable supply for international aftermarket distributors

• OEM and customized production available

• Professional support for rubber engine components

• Individually packaged to maintain hose shape

• Export-standard carton packaging

• Neutral or YNF branded packaging available

Q1: What is the reference part number for this hose?
A: 11QB-20040.

Q2: What is the main function of this air hose?
A: It delivers filtered air from the air filter system to the engine intake or turbocharger, ensuring efficient combustion and stable engine performance.

Q3: Is this hose suitable for heavy-duty applications?
A: Yes, it is made from reinforced rubber designed to withstand heat, pressure, and vibration.