Hyundai 11N6-90190 A/C High-Pressure Hose | R215-7 R225-7 Parts

A/C High-Pressure Hose 11N6-90190

High-Pressure Refrigeration Line for 7-Series Hyundai Excavators

The Hyundai 11N6-90190 is a high-pressure refrigeration hose specifically engineered for the air conditioning systems of 7-series Hyundai excavators. This component is essential for transporting high-pressure refrigerant from the compressor to the condenser, completing the critical phase of the heat-exchange cycle. Built with reinforced, refrigerant-resistant materials, this genuine hose ensures a leak-proof seal under extreme system pressures and engine bay temperatures, preventing refrigerant loss and maintaining cabin cooling efficiency.

1. Technical Specifications

Parameter	Detail
Part Number	11N6-90190
Component Type	A/C High-Pressure Hose (Refrigeration Line)
Primary Function	Transports high-pressure refrigerant between the compressor and condenser
Compatibility	Engineered for R205-7, R215-7, R215-7C, R225-7, R225LC-7, R245-7, and R265LC-7 models

2. Operational Importance

The high-pressure side of an A/C system is subject to the most severe stress. A degradation in this hose—such as micro-cracking or crimp failure—will lead to rapid refrigerant depletion, causing the A/C system to blow warm air and potentially causing the compressor to overheat or seize due to loss of circulating lubrication oil carried by the refrigerant.

3. Maintenance & Installation Protocols

Diagnostic Indicators: If the A/C performance drops or you detect "oily" residue near the hose crimps, it is a sign of a minor refrigerant leak. Replace immediately to prevent full system failure.
Installation Advice: Ensure the hose is routed to avoid sharp metal edges or high-heat components that could accelerate degradation. Use new O-rings/seals at all connection points to guarantee a vacuum-tight seal during system recharging.
Safety Note: Always handle A/C refrigeration components according to local environmental regulations regarding refrigerant disposal and charging. The system must be properly evacuated before replacing the hose to prevent atmospheric contamination.