This original equipment A/C hose assembly has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
- Connect A/C system components to carry the refrigerant
- GM-recommended replacements for your vehicle's original components
- Designed to withstand high pressures and temperatures
- The hard lines are typically made from extruded aluminum or sometimes from coated steel
- The hose is chemical-resistant and has hydraulically crimped fittings
- Service ports are specifically designed for service equipment and the particular refrigerant used
 A/C Refrigerant Lines
| DISCHARGE LINE |
The Discharge Line carries High Pressure Gas between the Compressor and Condenser
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| SUCTION LINE |
The Suction Line carries Low Pressure Gas from the Evaporator to the Compressor (sometimes through an Accumulator).
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| LIQUID LINE |
The Liquid Line carries High Pressure Liquid from the Condenser to the Evaporator (often through an Expansion Device).
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Some assemblies combine two or all three lines together.
 A/C System Repair Toolbox
ACDelco Quality ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
| GM ORIGINAL EQUIPMENT |
| GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors. |
| ACDELCO GOLD (PROFESSIONAL) |
| ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors. |
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