Air Intake Hose Description
The air intake hose (YNF12971 / 11QB-20040) is an essential component of the excavator engine air intake system. It connects the air filter assembly to the engine intake, allowing filtered air to enter the engine for efficient combustion.
Manufactured from reinforced rubber materials, the hose is designed to withstand high temperatures, vibration, and the demanding operating conditions of construction and earthmoving equipment. Its flexible yet durable structure maintains consistent airflow while protecting the engine from dust and contaminants.
A properly functioning intake hose improves engine efficiency, supports stable engine performance, and contributes to longer engine service life. This part is suitable for equipment maintenance, spare parts replacement, and excavator fleet servicing.
Air Intake Hose Technical/Data Sheet
| Specification |
Details |
| YNF Part Number |
YNF12971 |
| OEM Part Number |
11QB-20040 |
| Part Name |
Air Intake Hose |
| Category |
Excavator Engine Air Intake System Parts |
| Material |
Reinforced Rubber |
| Installation |
Air Filter to Engine Intake |
| Mounting Position |
Engine Air Intake System |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Packaging |
Protective Carton / Palletized Shipping |
| Shipping Methods |
Sea / Air / Express |
| Payment Terms |
TT, L/C, Western Union, PayPal |
Air Intake Hose Applications
| Application Field |
Typical Usage |
| Construction Machinery |
Engine air intake and filtration system |
| Earthmoving Equipment |
Maintains efficient engine airflow |
| Mining Machinery |
Reliable performance under heavy load |
| Service & Maintenance |
OEM replacement in repair workshops |
| Fleet Management |
Spare parts supply for excavator fleets |
Air Intake Hose Detail Display
FAQs
Q1: Is YNF12971 compatible with OEM 11QB-20040?
Yes, YNF12971 is designed to match OEM part number 11QB-20040.
Q2: What material is used in this air intake hose?
The hose is made from reinforced rubber designed to withstand heat, vibration, and heavy-duty operating conditions.
Q3: What is the function of the air intake hose?
It transfers filtered air from the air filter assembly to the engine intake, ensuring efficient combustion and reliable engine performance.