Dorman 626-590 HVAC Heater Hose Assembly - Inlet

Overview of Dorman HVAC Heater Hose Assembly 626-590

The Dorman HVAC Heater Hose Assembly 626-590 is designed specifically for Jeep Grand Cherokee models, providing a reliable solution for your vehicle's heating system. This molded assembly combines durable rubber and aluminum materials to ensure efficient coolant flow and long-lasting performance.

• Constructed with high-quality rubber and aluminum materials
• Natural/no finish color for corrosion resistance
• Includes clamps for secure installation
• Dual inside diameter of 0.55 inches on both ends
• Molded hose shape with a centerline length of 27 inches
• Maximum working pressure rated at 100 psi
• Compatible with Jeep Grand Cherokee models
• Part number 626-590 for precise identification

Detailed Product Description

The Dorman 626-590 HVAC Heater Hose Assembly is engineered as a molded assembly featuring dual 0.55-inch inside diameter hoses, connected with aluminum and rubber materials to withstand the demands of your Jeep Grand Cherokee's heating system. The hose ends have an outside diameter of 0.85 inches, designed for hose attachment on both ends, ensuring a secure and leak-free connection. This assembly includes clamps to facilitate proper installation and maintain system integrity under a maximum working pressure of 100 psi. The natural, unfinished color of the hose helps resist corrosion without the need for additional protective sleeves or heat shields, simplifying maintenance and replacement.

Common Applications and Issues Addressed

• Replacement of worn or cracked heater hoses in Jeep Grand Cherokee HVAC systems
• Resolving coolant leaks that cause heating inefficiency
• Addressing hose failures due to pressure or heat exposure
• Eliminating coolant contamination from damaged hose assemblies
• Restoring proper coolant flow for optimal cabin heating performance

Installation Notes and Tips

• Ensure the vehicle is cool before beginning installation to avoid burns
• Use the included clamps to secure hose ends tightly and prevent leaks
• Verify hose routing matches the original assembly to avoid kinks or interference
• Inspect surrounding components for wear or damage during replacement
• Test the heating system after installation to confirm proper operation

Quality Assurance and Warranty Information

Dorman manufactures the 626-590 heater hose assembly to meet or exceed OEM specifications for Jeep Grand Cherokee vehicles. The assembly undergoes rigorous quality control to ensure durability and reliable performance under typical operating conditions. While specific warranty details may vary, Dorman products generally include a limited warranty against defects in materials and workmanship, providing confidence in your replacement part.