Universal Air
Accumulator

Universal Air RD5048C A/C Accumulator

Brand Universal Air RD5048C
Product line Accumulator
Fits Buick, Cadillac, Oldsmobile, and Pontiac · 21 vehicles

A/C accumulator. Helps protect the air conditioning system by storing refrigerant and trapping moisture.

Accumulator line. Part of Universal Air's HVAC lineup for air conditioning service and repair.

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Universal Air RD5048C A/C Accumulator

Universal Air RD5048C is an A/C accumulator for select GM full-size cars from 1991-1993. It is listed for Buick LeSabre, Buick Park Avenue, Cadillac DeVille, Cadillac Fleetwood, Oldsmobile 98, Oldsmobile 88, and Pontiac Bonneville applications with the specified HVAC configuration.

Key Features

  • A/C accumulator for HVAC refrigerant system service
  • Fits 1991-1993 Buick Park Avenue, accumulator
  • Fits 1992-1993 Buick LeSabre, accumulator
  • Fits 1991-1993 Cadillac DeVille, accumulator
  • Fits 1991-1992 Cadillac Fleetwood, accumulator
  • Fits 1993 Cadillac Fleetwood, with switch port; accumulator
  • Fits 1993 Cadillac 60 Special, accumulator
  • Fits 1991-1993 Oldsmobile 98, accumulator
  • Fits 1992-1993 Oldsmobile 88, accumulator
  • Fits 1992-1993 Pontiac Bonneville, accumulator
  • Part number RD5048C for application matching and catalog lookup

Detailed Description

The Universal Air accumulator RD5048C is used in the air conditioning system to store and condition refrigerant flow on the low-pressure side of the HVAC circuit. This part is cataloged for 1991-1993 Buick Park Avenue and LeSabre, 1991-1993 Cadillac DeVille, 1991-1992 and 1993 Cadillac Fleetwood, 1993 Cadillac 60 Special, 1991-1993 Oldsmobile 98, 1992-1993 Oldsmobile 88, and 1992-1993 Pontiac Bonneville. Use RD5048C when replacing a worn or leaking accumulator on these listed vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Repair Uses

  • Restores refrigerant storage in the A/C system
  • Addresses leaks at the accumulator assembly
  • Helps correct poor cooling performance after HVAC service
  • Replaces a damaged unit on GM full-size sedan applications
  • Supports repair of a contaminated or moisture-exposed A/C circuit

Installation Notes

Verify the vehicle’s year, make, model, and HVAC configuration before ordering. For 1993 Cadillac Fleetwood, confirm the switch port requirement listed in the fitment data. Replace the accumulator during A/C system service according to the vehicle service procedure, and evacuate and recharge the system after installation.

Quality Assurance

Universal Air RD5048C is cataloged as a direct-fit A/C accumulator for the listed applications, with fitment defined by the vehicle data provided here.

This part fits 21 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelPositionNotes
1993BuickLeSabreN/AAccumulator
1993BuickPark AvenueN/AAccumulator
1993Cadillac60 SpecialN/AAccumulator
1993CadillacDeVilleN/AAccumulator
1993CadillacFleetwoodN/Awith Switch Port; Accumulator
1993Oldsmobile88N/AAccumulator
1993Oldsmobile98N/AAccumulator
1993PontiacBonnevilleSEN/AAccumulator
1993PontiacBonnevilleSSEN/AAccumulator
1993PontiacBonnevilleSSEiN/AAccumulator
1992BuickLeSabreN/AAccumulator
1992BuickPark AvenueN/AAccumulator
1992CadillacDeVilleN/AAccumulator
1992CadillacFleetwoodN/AAccumulator
1992Oldsmobile88N/AAccumulator
1992Oldsmobile98N/AAccumulator
1992PontiacBonnevilleN/AAccumulator
1991BuickPark AvenueN/AAccumulator
1991CadillacDeVilleN/AAccumulator
1991CadillacFleetwoodN/AAccumulator
1991Oldsmobile98N/AAccumulator