R455-7 R485-9 Air Intake Hose Description
The R455-7 R485-9 air intake hose (YNF12937 / 11QB-25011) is a critical 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 built to withstand high temperatures, vibration, and demanding working conditions typical in heavy construction and mining environments. Its durable structure ensures stable airflow and helps prevent dust or contaminants from entering the engine.
Proper intake hose performance improves combustion efficiency, maintains engine power, and contributes to longer engine service life. This replacement part is suitable for maintenance, repair workshops, and excavator fleet servicing.
R455-7 R485-9 Air Intake Hose Technical/Data Sheet
| Specification |
Details |
| Compatible Models |
R455-7, R485-9 Excavators |
| YNF Part Number |
YNF12937 |
| OEM Part Number |
11QB-25011 |
| 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 |
R455-7 R485-9 Air Intake Hose Applications
| Application Field |
Typical Usage |
| Construction Machinery |
Engine air intake and filtration system |
| Mining Equipment |
Reliable airflow under heavy load |
| Earthmoving Machinery |
Maintains stable engine combustion airflow |
| Service & Maintenance |
OEM replacement in repair workshops |
| Fleet Management |
Spare parts supply for R455-7 and R485-9 excavators |
R455-7 R485-9 Air Intake Hose Detail Display
FAQs
Q1: Is YNF12937 compatible with OEM 11QB-25011?
Yes, YNF12937 is manufactured to match OEM part number 11QB-25011 for R455-7 and R485-9 excavators.
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.
