A-Premium Rear AC Expansion Valve, Aluminum OE-Style — Fits Chevrolet/GMC/Buick/Cadillac

The A-Premium Rear AC Expansion Valve is a direct-fit aluminum replacement that restores proper refrigerant metering and rear evaporator performance on compatible Chevrolet, GMC, Buick and Cadillac SUVs.

This precision-manufactured block-type expansion valve is built as a high-quality OE-style replacement to control refrigerant flow to the rear evaporator. Designed without a solenoid and constructed from durable aluminum, it matches OE dimensions and reference numbers (22816195, 39512) so installation is straightforward on the listed model years. Backed by a one-year unlimited-mile warranty, it’s intended to return consistent cooling performance and long service life when replacing a worn or failed rear valve.

Which vehicles will this rear expansion valve fit?

It fits a range of GM full-size crossovers and SUVs across several model years. Double-check fitment against the vehicle year and part reference numbers before purchasing.

• Chevrolet: Traverse Limited 2024, Traverse 2013–2021, Tahoe 2015–2020
• GMC: Acadia 2013–2023, Yukon 2015–2020
• Buick: Enclave 2013–2014 and 2016–2024
• Cadillac: Escalade 2015–2020, XT6 2020–2024; OEM refs 22816195 & 39512

How does this valve affect rear A/C performance?

The expansion valve meters refrigerant entering the rear evaporator, regulating pressure and superheat to optimize cooling. A properly functioning valve helps maintain steady low-side pressure and prevents flooding or starving of the evaporator, improving temperature consistency in the cabin.

• Block-type design provides stable refrigerant metering for rear evaporator.
• Super heat rating of 4 and 1-ton capacity for intended setup balance.
• Precise inlet/outlet sizes match system plumbing for leak-free fitment.

What are the key specifications and installation details?

This valve is made of aluminum and intended for the rear A/C circuit; it does not include a solenoid or a switch. Technicians will appreciate the OE-style mounting and familiar plumbing sizes for a smooth replacement process.

• Material: Aluminum; Style: without solenoid; Valve: Block type.
• Liquid inlet 0.34" / outlet 0.46"; suction in 0.63" / out 0.70"; two mounting holes.
• Super heat value: 4; Tonnage rating: 1; switch not included.

What warranty and quality assurances come with this part?

A-Premium supplies this expansion valve as a brand-new OE-style replacement and backs it with a one-year unlimited-mileage guarantee. The valve is manufactured to meet or exceed original equipment specifications to ensure durability and reliable function.

• 100% brand-new, high-performance OE replacement construction.
• Precision internal components for consistent refrigerant flow and cooling output.
• One-year unlimited-mile warranty and A-Premium customer support.

Who this is for: technicians, DIYers and fleet managers replacing a failing rear expansion valve on compatible GM SUVs and crossovers will find an affordable, OE-dimensioned option in the A-Premium Rear AC Expansion Valve. Confirm vehicle fitment and OEM reference numbers before ordering to ensure correct fit and function.