HomeHVAC > Hoses and PipesGlobal Parts 4811971 A/C Hose Assembly
Part #: 4811971

Global Parts 4811971 A/C Hose Assembly

⚙️ 35 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, GMC, Buick, Isuzu, Saab, and Oldsmobile, Trailblazer, Envoy, Rainier, Trailblazer EXT, Ascender, 9-7x, and Bravada
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Reliable A/C Hose Assembly for Select GM and Isuzu Vehicles

The Global Parts A/C Hose Assembly part number 4811971 is designed to provide a dependable replacement solution for your vehicle's HVAC system. Engineered for compatibility with various Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this hose assembly ensures proper air conditioning performance and system integrity.

Key Features of Global Parts A/C Hose Assembly 4811971

  • Compatible with Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab vehicles
  • Fits models including 9-7x, Ascender, Bravada, Envoy, Envoy XL, Rainier, Trailblazer, and Trailblazer EXT
  • Durable construction designed to withstand HVAC system pressures and temperatures
  • OEM-quality fit and function for reliable air conditioning operation
  • Part number 4811971 ensures precise identification and compatibility

Detailed Description of the A/C Hose Assembly

This A/C Hose Assembly from Global Parts is engineered to meet the specifications required by multiple GM and Isuzu vehicles. It serves as a critical component in the HVAC system, facilitating the flow of refrigerant between the compressor, condenser, and evaporator. The hose assembly is constructed to resist wear, corrosion, and pressure fluctuations, maintaining system efficiency and preventing leaks. With part number 4811971, this assembly is a direct replacement for original equipment, ensuring a secure fit and consistent performance across compatible models such as the Chevrolet Trailblazer and GMC Envoy.

Common Applications and Issues Addressed

  • Replacement of worn or cracked A/C hoses causing refrigerant leaks
  • Restoring proper refrigerant flow to improve air conditioning cooling
  • Resolving HVAC system pressure loss due to hose damage
  • Preventing contamination and moisture ingress in the A/C system
  • Maintaining system integrity after compressor or condenser replacement

Installation Notes and Tips

  • Ensure the vehicle is properly depressurized before removing the old hose assembly
  • Verify compatibility with your specific make and model using part number 4811971
  • Inspect related HVAC components for wear or damage during installation
  • Use appropriate tools to avoid damaging fittings and connections
  • After installation, perform a leak test and recharge the A/C system as required

Quality Assurance and Warranty Information

Global Parts manufactures this A/C Hose Assembly to meet industry standards for durability and performance. While specific warranty details may vary, the part is backed by quality controls to ensure reliable operation within the HVAC system. Using part number 4811971 guarantees a component that aligns with OEM specifications for the listed Buick, Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models.

This part fits 35 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletTrailblazer4.2LL6N/A
2009GMCEnvoy4.2LL6N/A
2008ChevroletTrailblazer4.2LL6N/A
2008GMCEnvoy4.2LL6N/A
2007BuickRainier4.2LL6N/A
2007ChevroletTrailblazer4.2LL6N/AFitment: Rear A/C not included.
2007GMCEnvoy4.2LL6N/AFitment: Rear A/C not included.
2006BuickRainier4.2LL6N/A
2006ChevroletTrailblazer4.2LL6N/Awithout Rear A/C
2006ChevroletTrailblazer EXT4.2LL6N/Awithout Rear A/C
2006GMCEnvoy4.2LL6N/A
2006GMCEnvoy XL4.2LL6N/A
2005BuickRainier4.2LL6N/A
2005ChevroletTrailblazer4.2LL6N/Awithout Rear A/C
2005ChevroletTrailblazer EXT4.2LL6N/Awithout Rear A/C
2005GMCEnvoy4.2LL6N/A
2005GMCEnvoy XL4.2LL6N/A
2005IsuzuAscender4.2LL6N/Awith 113" Wheelbase
2005Saab9-7x4.2LL6N/A
2004BuickRainier4.2LL6N/A
2004ChevroletTrailblazer4.2LL6N/Awithout Rear A/C
2004ChevroletTrailblazer EXT4.2LL6N/Awithout Rear A/C
2004GMCEnvoy4.2LL6N/A
2004GMCEnvoy XL4.2LL6N/A
2004IsuzuAscender4.2LL6N/Awith 113" Wheelbase
2004OldsmobileBravada4.2LL6N/AEX Model Only; w/ Rear AC
2003ChevroletTrailblazer4.2LL6N/Awithout Rear A/C
2003ChevroletTrailblazer EXT4.2LL6N/Awithout Rear A/C
2003GMCEnvoy4.2LL6N/A
2003GMCEnvoy XL4.2LL6N/A
2003OldsmobileBravada4.2LL6N/AFitment: Rear A/C not included.
2002ChevroletTrailblazer4.2LL6N/Awithout Rear A/C
2002ChevroletTrailblazer EXT4.2LL6N/Awithout Rear A/C
2002GMCEnvoy XL4.2LL6N/A
2002OldsmobileBravada4.2LL6N/AFitment: Rear A/C not included.

* 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.