Hyundai R520LC-9S Air Hose Description
YNF16522 is an OEM-grade air intake hose designed to replace Hyundai part number 11QB-25011, commonly used in the R48LC-9S and R520LC-9S excavator models. This intake hose delivers filtered air from the air box to the engine or turbocharger, playing a critical role in maintaining clean combustion. Constructed from high-quality rubber with textile reinforcement, it offers excellent flexibility, heat resistance, and protection against engine vibration. Its pre-curved shape ensures fast and secure installation, reducing maintenance time.
Air Hose Technical/Data Sheet
| Parameter |
Specification |
| Part Number |
11QB-25011 |
| YNF Number |
YNF16522 |
| Compatible Models |
Hyundai R48LC-9S, R520LC-9S |
| Product Type |
Air Intake Hose / Inlet Duct |
| Function |
Airflow from filter to intake/turbo |
| Material |
EPDM Rubber + Textile Layer |
| Temperature Range |
-40°C to +120°C |
| Pressure Rating |
Standard atmospheric (non-boosted) |
| Oil Mist Resistance |
Yes |
| Hose Type |
OEM-molded fit |
| Brand |
YNF |
| Origin |
China |
| MOQ |
1 Piece |
| Shipping |
Express, Air, Sea |
| Payment Terms |
T/T, L/C, Western Union |
Air Intake Hose Applications for Hyundai Excavators
| Application Scenario |
Description |
| Engine Air Intake System |
Transfers filtered air to intake manifold or turbo. |
| Routine Maintenance Replacement |
Ideal for aged, cracked or hardened hoses. |
| Hyundai Engine Refurbishment |
OEM-grade component for intake air sealing. |
| Dealership or Workshop Stock |
Fast-moving consumable for common service parts. |
11QB-25011 Air Intake Hose Detail Display
Related Products
-
Air Filter Element for Hyundai Excavators
-
Turbocharger Unit for R520LC-9S
-
Intake Manifold Gasket and Hose Clamps
FAQs
-
Q: Is this compatible with other R-series models?
A: It’s molded for R48LC-9S and R520LC-9S; please contact us to confirm use with other models.
-
Q: Can it handle oily air from crankcase venting?
A: Yes, the rubber is oil-mist resistant and suitable for intake environments.
Knowledge Base
Air intake hoses are vital for delivering clean, filtered air to the engine. Degradation due to heat or oil exposure can cause air leaks and poor engine performance. Replacing with a quality hose like YNF16522 ensures optimal combustion and equipment uptime.
