| GM GENUINE 21031289 Specifications |
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| Component Type | ASSEMBLY | | End 1 Inside Diameter (IN) | 0.528 | | End 1 Inside Diameter (MM) | 13.4 | | End 1 Type | Fitting Block | | End 2 Inside Diameter (IN) | 0.528 | | End 2 Inside Diameter (MM) | 13.4 | | End 2 Type | Fitting Block | | Fittings Included | Yes | | Gasket or Seal Included | Yes | | Hose Shape | Molded Assembly | | Inside Diameter (IN) | 0.528 | | Inside Diameter (MM) | 13.4 | | Material | "Aluminum, Rubber" | | Original Equipment Replacement | Yes | | Outside Diameter (IN) | 0.626 | | Outside Diameter (MM) | 15.9 | | Refrigerant Type | R134a | | Switch Service Port | Yes | | System Pressure | Low | | Type | Expsn Valve to Cmpr |
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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
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Warranty Information:24 Month / Unlimited Mile Warranty |
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