Global Parts 4812831 A/C Refrigerant Suction Hose
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Global Parts

Global Parts 4812831 A/C Refrigerant Suction Hose

Brand Global Parts 4812831
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 20 vehicles

A/C refrigerant suction hose for low-side refrigerant flow.

Connects the compressor to the evaporator.

Cross-references Four Seasons 55531, UAC HA111637C and 15-31172 for the same application. See all 8.

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AC Refrigerant Suction Hose for Rear A/C Applications

Global Parts 4812831 is an A/C refrigerant suction hose for the low-side circuit, routing refrigerant from the compressor to the evaporator. It is built for vehicles with rear A/C excluded from fitment, making it a direct-match option for specific Buick, Pontiac, and Oldsmobile applications.

  • Low-side A/C suction hose for compressor-to-evaporator routing
  • Fits rear A/C excluded applications only
  • Direct replacement for select GM minivan and crossover platforms
  • Global Parts part number 4812831
  • Cross-references Four Seasons 55531 for the same application

Detailed Product Information

This A/C refrigerant suction hose is part of the HVAC hose and pipe system and serves the low-side path in the refrigerant circuit. Global Parts 4812831 is designed for vehicles where the suction line connects the compressor to the evaporator, helping maintain proper refrigerant flow in the air conditioning system. It fits 2002-2007 Buick Rendezvous, 2001-2005 Pontiac Aztek, 2001-2005 Pontiac Montana, and 2001-2004 Oldsmobile Silhouette, with rear A/C not included. The part number 4812831 is also referenced by UAC HA111637C and other listed interchange numbers.

Common Problems This Part Addresses

  • Damaged or leaking low-side refrigerant hose
  • Loss of A/C cooling from refrigerant line failure
  • Cracked or corroded hose connections in the suction circuit
  • Restricted refrigerant flow between compressor and evaporator
  • Service replacement for aging HVAC hose assemblies

Installation Notes and Tips

Verify vehicle year, make, and model before ordering, and confirm that the vehicle does not use rear A/C. Inspect mating seals, O-rings, and adjacent HVAC components for wear before installation. After installation, evacuate and recharge the system according to the vehicle service procedure and check for leaks.

Quality Assurance

Global Parts supplies HVAC hose and pipe components for automotive air conditioning service applications. Part number 4812831 is listed with confirmed interchange references and vehicle-specific fitment data for accurate ordering.

Related reading

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2007BuickRendezvous3.5LV6N/AFitment: Rear A/C not included.
2006BuickRendezvous3.5LV6N/AFitment: Rear A/C not included.
2005BuickRendezvous3.4LV6N/AFitment: Rear A/C not included.
2005PontiacAztek3.4LV6N/AFitment: Rear A/C not included.
2005PontiacMontana3.4LV6N/AFitment: Rear A/C not included.
2004BuickRendezvous3.4LV6N/AFitment: Rear A/C not included.
2004OldsmobileSilhouette3.4LV6N/AFitment: Rear A/C not included.
2004PontiacAztek3.4LV6N/AFitment: Rear A/C not included.
2004PontiacMontana3.4LV6N/AFitment: Rear A/C not included.
2003BuickRendezvous3.4LV6N/AFitment: Rear A/C not included.
2003OldsmobileSilhouette3.4LV6N/AFitment: Rear A/C not included.
2003PontiacAztek3.4LV6N/AFitment: Rear A/C not included.
2003PontiacMontana3.4LV6N/AFitment: Rear A/C not included.
2002BuickRendezvous3.4LV6N/AFitment: Rear A/C not included.
2002OldsmobileSilhouette3.4LV6N/AFitment: Rear A/C not included.
2002PontiacAztek3.4LV6N/AFitment: Rear A/C not included.
2002PontiacMontana3.4LV6N/AFitment: Rear A/C not included.
2001OldsmobileSilhouette3.4LV6N/AFitment: Rear A/C not included.
2001PontiacAztek3.4LV6N/AFitment: Rear A/C not included.
2001PontiacMontana3.4LV6N/AFitment: Rear A/C not included.
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 55531UAC — HA111637C15-31172153117210315021A4-100445AHA70-4618H-390