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Part #: HA11378C

Universal Air HA11378C A/C Manifold Hose Assembly

Suction and Discharge Assembly
⚙️ 7 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Suction and Discharge Assembly
🚗Fitment: Chevrolet and GMC, Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500
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Overview of Universal Air A/C Manifold Hose Assembly HA11378C

The Universal Air Suction and Discharge Assembly A/C Manifold Hose Assembly HA11378C is designed for reliable HVAC performance in heavy-duty trucks. This hose assembly is compatible with Chevrolet and GMC models, including the Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500.

  • Compatible with Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
  • Part number HA11378C for precise identification
  • Designed for HVAC system suction and discharge functions
  • Durable construction suitable for heavy-duty truck applications
  • Part of the Universal Air Suction and Discharge Assembly product line

Details on the Suction and Discharge Assembly Product Line

The Suction and Discharge Assembly line by Universal Air focuses on providing essential hose and pipe components for HVAC systems. This product line includes assemblies engineered to handle both suction and discharge functions within air conditioning systems, ensuring proper refrigerant flow and system efficiency. The HA11378C is a specific A/C manifold hose assembly within this line, tailored for select Chevrolet and GMC heavy-duty trucks.

Product Description and Application

The HA11378C A/C Manifold Hose Assembly is engineered to maintain the integrity of the HVAC system in Chevrolet and GMC heavy-duty trucks. It facilitates the transfer of refrigerant between the suction and discharge ports of the A/C manifold, supporting optimal air conditioning performance. This hose assembly is constructed to withstand the pressures and temperatures typical in truck HVAC systems, contributing to system reliability and longevity.

Common Issues Addressed by This Hose Assembly

  • Leaking refrigerant due to worn or damaged hoses
  • Reduced A/C system efficiency from restricted refrigerant flow
  • HVAC system pressure imbalances affecting cooling performance
  • Failure of suction or discharge lines causing system shutdown
  • Corrosion or wear in original equipment hoses

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 before installation
  • Inspect existing fittings and manifold ports for damage or debris
  • Use proper torque specifications to avoid hose or fitting damage
  • Check for refrigerant leaks after installation using appropriate detection methods
  • Follow vehicle manufacturer HVAC service guidelines during replacement

Quality Assurance and Warranty

Universal Air manufactures the HA11378C hose assembly to meet industry standards for HVAC components in heavy-duty trucks. While specific warranty details are not provided, Universal Air products typically undergo quality control processes to ensure durability and performance. For warranty information, refer to Universal Air’s official documentation or contact authorized distributors.

This part fits 7 vehicles. Search below:

YearMakeModelSubmodel# DoorsLitersCylindersFuel TypePositionNotes
2002ChevroletSilverado 2500 HD6.6LV8DIESELN/ASuction and Discharge Assembly
2002ChevroletSilverado 3500Base6.6LV8DIESELN/ASuction and Discharge Assembly
2002ChevroletSilverado 3500LS6.6LV8DIESELN/ASuction and Discharge Assembly
2002ChevroletSilverado 3500LT6.6LV8DIESELN/ASuction and Discharge Assembly
2002GMCSierra 2500 HD6.6LV8DIESELN/AMust use with part number CO 20448GLC; Suction and Discharge Assembly
2002GMCSierra 2500 HD2 Door8.1LV8GASN/AMust use with part number CO 20448GLC; Suction and Discharge Assembly
2002GMCSierra 35006.6LV8DIESELN/ASuction and Discharge Assembly

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.