A-Premium Rear AC Evaporator Core for Chevrolet & GMC — Direct-fit Aluminum Plate-and-Fin

The A-Premium Rear AC Evaporator Core is a direct-fit aluminum plate-and-fin replacement designed to restore rear-cabin cooling performance in select Chevrolet, GMC, Buick, Cadillac and Saturn SUVs.

If the rear air in your SUV has become weak, smells musty, or the climate control fails to reach set temperatures, the evaporator core is often the culprit. This A-Premium unit is engineered as a like-for-like OE replacement so technicians and DIYers can swap it in without modifying ducts or housings. Built from durable aluminum with a plate-and-fin design, it’s sized and ported to match factory dimensions for reliable fitment and efficient heat transfer.

Which vehicles will this rear evaporator core fit?

This evaporator core covers a wide range of General Motors SUVs and crossovers. Fitment spans multiple model years for Chevrolet, GMC, Buick, Cadillac and Saturn vehicles; double-check reference numbers and model exceptions before ordering.

• Chevrolet: Traverse 2009–2022; Tahoe models across 2007–2020 with several year/model exceptions listed in specs
• GMC: Acadia (2007–2015, 2017–2021), Acadia Limited 2017, Yukon variants (2007–2020) with exclusions noted
• Buick Enclave 2008–2022; Cadillac Escalade and EXT years 2007–2020; Saturn Outlook 2007–2010
• Always confirm against part/reference numbers EV939827PFC, 15232208, 20827668 and others provided

What are the key specifications and dimensions?

The core is an aluminum plate-and-fin evaporator sized to match factory rear units so it mates with existing housings and lines. Exact dimensions and port sizes are listed to help verify compatibility and ease installation.

• Location: Rear evaporator core (rear HVAC)
• Construction: Plate & fin, aluminum material for efficient heat exchange
• Dimensions: Length 235 mm, Height 144 mm, Depth 60 mm, Inlet 16 mm
• Reference numbers included for cross-checking fitment and OEM equivalence

How does this replacement restore AC performance?

An aged or blocked evaporator reduces refrigerant-to-air heat transfer and can produce odors from trapped moisture. Replacing the core removes internal restrictions and restores correct refrigerant flow, improving rear-cabin cooling and system efficiency when matched with proper refrigerant charge and a clean blower and filter.

• Restores designed surface area and fin spacing for optimal heat absorption
• Aluminum construction resists corrosion and supports long service life
• Direct-fit OE-style porting reduces leak risk when installed with correct seals
• Works best when installed alongside fresh receiver/drier or accumulator and refrigerant service

Who should choose this A-Premium rear evaporator core? If you own a compatible Chevrolet, GMC, Buick, Cadillac or Saturn model and are experiencing weak rear AC, unusual odors, or leaks traced to the evaporator, this unit is intended as a like-for-like OEM replacement. It’s suitable for professional shops that require consistent OE-style fitment and for experienced DIYers comfortable with HVAC system evacuation and recharge. Note: evaporator replacement typically requires disassembling the HVAC housing and a qualified refrigerant service to ensure correct system performance and compliance with local regulations.

Additional benefits include a one-year unlimited-mileage guarantee and manufacturing to OEM fit and quality standards. Before purchase, verify model year exceptions and compare the listed reference numbers to your original part number to confirm fitment.