Buy OEM Buick Part # 52406098 (52481055). A/C Expansion Valve. REAR. Air Conditioning Expansion Valve - Repair or Replace Your air conditioning system’s expansion valve is

Air Conditioning (A/C) Expansion Valve.
A/C Expansion Valve. For Auxiliary HVAC.

A/C Expansion Valve

Fits C1500 Suburban, C1500 Suburban, C2500 Suburban, C2500 Suburban, K1500 Suburban, K1500 Suburban, K2500 Suburban, K2500 Suburban

REAR.
Air Conditioning Expansion Valve - Repair or Replace
Your air conditioning system’s expansion valve is located next to your vehicle’s evaporator, and a failed expansion valve can cause inefficient or noisy operation. Let our technician remove and inspect the expansion valve in your Buick to determine the optimum repair procedure.