OE Quality
60-Day Returns

Universal Air HA11377C A/C Manifold Hose Assembly
Overview of Universal Air A/C Manifold Hose Assembly HA11377C
The Universal Air Suction and Discharge Assembly A/C Manifold Hose Assembly (part number HA11377C) is designed for reliable HVAC performance in select Chevrolet and GMC trucks. This hose assembly is engineered to meet the specific requirements of heavy-duty models, ensuring proper air conditioning system function.
- Compatible with Chevrolet Avalanche 2500, GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500
- Part number HA11377C for precise identification and fitment
- Part of the Universal Air Suction and Discharge Assembly product line
- Designed for HVAC system suction and discharge applications
- Durable construction suitable for heavy-duty truck use
About the Suction and Discharge Assembly Product Line
The Suction and Discharge Assembly line by Universal Air focuses on providing hose assemblies that handle both suction and discharge functions within vehicle HVAC systems. This product line is tailored to maintain system integrity and efficiency by ensuring proper refrigerant flow and pressure management. The HA11377C is a component within this line, engineered to fit specific Chevrolet and GMC heavy-duty truck models, supporting their air conditioning system's operational demands.
Detailed Product Description
The HA11377C A/C Manifold Hose Assembly from Universal Air is designed to replace worn or damaged hoses in the HVAC systems of Chevrolet Avalanche 2500, GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, and Silverado 3500 trucks. This assembly facilitates the transfer of refrigerant between the suction and discharge sides of the air conditioning manifold, ensuring consistent cooling performance. Its construction meets OEM specifications for durability and fitment, providing a reliable solution for maintaining HVAC system functionality in these heavy-duty vehicles.
Common Applications and Issues Addressed
- Replacement of leaking or cracked A/C manifold hoses
- Restoring proper refrigerant flow in Chevrolet Avalanche 2500 and GMC Sierra 3500 HVAC systems
- Resolving low air conditioning performance due to hose failure
- Addressing pressure loss in Silverado 2500 HD and 3500 A/C systems
- Preventing contamination and refrigerant leaks in heavy-duty truck HVAC lines
Installation Notes and Tips
- Ensure vehicle compatibility with Chevrolet Avalanche 2500, GMC Sierra 2500 HD, Sierra 3500, Silverado 2500 HD, or Silverado 3500 before installation
- Inspect surrounding HVAC components for wear or damage during replacement
- Use proper tools to avoid damaging fittings and connections
- Follow manufacturer torque specifications for hose assembly fittings
- Check for refrigerant leaks after installation and system recharge
Quality Assurance and Warranty
The Universal Air HA11377C A/C Manifold Hose Assembly is manufactured to meet industry standards for HVAC hose assemblies. While specific warranty details are not provided, Universal Air products typically undergo quality control processes to ensure fitment accuracy and durability. For warranty information, refer to Universal Air’s official documentation or contact the manufacturer directly.
This part fits 11 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Avalanche 2500 | N/A | Must Use with Part Number(s) CO 29002C; Suction and Discharge Assembly | ||||
| 2002 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | GAS | N/A | Suction and Discharge Assembly | |
| 2002 | Chevrolet | Silverado 3500 | Base | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2002 | Chevrolet | Silverado 3500 | LS | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2002 | Chevrolet | Silverado 3500 | LT | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2002 | GMC | Sierra 3500 | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly | |
| 2001 | Chevrolet | Silverado 2500 HD | 8.1L | V8 | GAS | N/A | Suction and Discharge Assembly | |
| 2001 | GMC | Sierra 2500 HD | SL | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2001 | GMC | Sierra 2500 HD | SLT | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2001 | GMC | Sierra 2500 HD | SLE | 8.1L | V8 | GAS | N/A | Must use with part number CO 20448GLC; Suction and Discharge Assembly |
| 2001 | GMC | Sierra 3500 | 8.1L | V8 | GAS | N/A | Suction 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.