Global Parts 4811746 A/C Hose Assembly

Brand Global Parts 4811746
Fits Pontiac, Buick, and Oldsmobile · 12 vehicles

A/C hose assembly. Connects compressor, evaporator, and condenser in the HVAC system.

Suction and discharge lines. Combines refrigerant flow paths in one hose assembly.

Cross-references Dorman - HELP 56180, UAC HA111426C and 15-31033 for the same application. See all 25.

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HVAC A/C Hose Assembly for GM Applications

Global Parts 4811746 is an A/C hose assembly for the HVAC system, built for vehicles that use a suction-side hose connection between the compressor and evaporator. It is a direct-fit replacement for select Pontiac Grand Prix, Buick Regal, and Oldsmobile Intrigue applications.

  • Part number: 4811746
  • Category: HVAC hoses and pipes
  • A/C hose assembly for suction-side service
  • Compatible with 1997-2003 Pontiac Grand Prix
  • Compatible with 1997-1999 Buick Regal
  • Compatible with 1998-1999 Oldsmobile Intrigue

Application Details

This hose assembly is used in the air conditioning refrigerant circuit where the low-side line carries vapor from the evaporator back to the compressor. Global Parts 4811746 is listed for 1997-2003 Pontiac Grand Prix, 1997-1999 Buick Regal, and 1998-1999 Oldsmobile Intrigue, making it a fitment-based replacement for common GM HVAC service needs. This part cross-references UAC HA111426C for the same application.

Common Repair Uses

  • Restores a leaking or damaged low-side A/C hose
  • Addresses loss of refrigerant pressure in the HVAC system
  • Replaces a cracked, worn, or corroded hose assembly
  • Helps correct poor A/C cooling caused by hose failure
  • Supports service on GM vehicles with the listed fitment

Installation Notes

Verify the hose routing, port style, and vehicle application before installation. Replace any damaged seals or O-rings required by the vehicle service procedure, and evacuate and recharge the system according to OEM specifications after installation. Confirm that the compressor, condenser, and evaporator connections are clean and free of debris.

Quality Assurance

Global Parts supplies replacement HVAC components for automotive air conditioning service. Part number 4811746 is cataloged as an A/C hose assembly for the listed GM applications and should be matched to the vehicle by year, make, and model before installation.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003PontiacGrand Prix3.8LV6N/A
2002PontiacGrand Prix3.8LV6N/A
2001PontiacGrand Prix3.8LV6N/A
2000PontiacGrand Prix3.8LV6N/A
1999BuickRegal3.8LV6N/A
1999OldsmobileIntrigue3.8LV6N/A
1999PontiacGrand Prix3.8LV6N/A
1998BuickRegal3.8LV6N/A
1998OldsmobileIntrigue3.8LV6N/A
1998PontiacGrand Prix3.8LV6N/A
1997BuickRegal3.8LV6N/A
1997PontiacGrand Prix3.8LV6N/A
Directly replaces or cross-references 25 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - HELP — 56180UAC — HA111426C15-3103315-3247115-3258219-3102070-499228277263061178100815310331532471153258210422442106092811060928219169411A4-100535A4-101042AHA70-4992H-437H437HA10450HA10450CHOS010653