Shop 1990 Buick Century A/C Receiver Drier. 2.0 LITER, 2016-20. 2.0 LITER, 2021-25. 2.5 LITER. Envision LITER, Air, Conditioning - OEM Buick Part # 84690764 (23134223)

Receiver. Drier. Air Conditioning (A/C). Dehydrator.
A/C Receiver Drier. Included with: Condenser.

A/C Receiver Drier

Fits Envision, XT4

2.0 LITER, 2016-20. 2.0 LITER, 2021-25. 2.5 LITER. Envision. XT4.
Air Conditioning Receiver Drier Assembly - Repair or Replace
The receiver drier in your A/C system contains a desiccant that protects its metal components as well as acting as a filter to prevent damage to the rest of your system. They also frequently include a pressure switch that signals your A/C compressor to turn on or off. Your should get a new receiver drier, or accumulator, any time your air conditioning is undergoing repairs.