Radiator for GMC Acadia (2007-2016) 3.6L

Direct-Fit Replacement Radiator for 2007-2016 GMC Acadia (Lambda)

What it Does: The direct-fit replacement radiator restores factory thermal efficiency on the 2007-2016 GMC Acadia to eliminate engine overheating and maintain optimal transmission fluid operating temperatures.

The Stock GMC Acadia Radiator Degradation

Factory cooling systems on the Lambda platform endure rigorous thermal cycling and constant system pressure. Over time, the stock plastic end tanks suffer from thermal fatigue, becoming brittle and prone to micro-cracking at the header plate crimp seams. Additionally, internal core passages accumulate mineral scale and degraded coolant sludge, reducing heat rejection capacity across the 3.6L High Feature V6. Left unresolved, this coolant loss and localized boiling trigger head gasket failure or warped aluminum cylinder heads under heavy payload and stop-and-go traffic.

The Engineering Solution

Engineered to exact OEM geometry, this replacement downflow radiator drops directly into factory mounting bushings without modifications. The core features a furnace-brazed aluminum tube-and-fin design packed with high-density louvered cooling fins to maximize surface area and convective heat dissipation. Reinforced polymer end tanks are mechanically crimped with high-grade gaskets to prevent seam separation under thermal expansion. An integrated internal transmission oil cooler maintains proper hydraulic line coupling to stabilize automatic gearbox temps under load. Every unit is pressure-tested at the factory to guarantee leak-free integrity right out of the box.

What's Included

• 1x Downflow Engine Radiator with Integrated Internal Automatic Transmission Oil Cooler

Technical Specifications

Compatibility

• 2007-2016 GMC Acadia 3.6L V6 (FWD and AWD models)
• Direct interchange with GM Lambda crossovers: Buick Enclave, Chevrolet Traverse, Saturn Outlook

Frequently Asked Questions & Fitment Warnings

Does this fit the Lambda Acadia?

Yes, this is a direct fit for the 2007-2016 GMC Acadia equipped with the LY7 or LLT 3.6L engine; it does not fit 2017+ redesigned models.

Do I need to bleed the cooling system after installation?

Yes, thorough vacuum-filling or manual burping via the air bleed procedure is required to purge trapped air pockets and prevent hot spotting around the cylinder heads.

The GMC Utility Standard

Whether managing heavy passenger loads or towing utility trailers, cooling system resilience is non-negotiable. This radiator restores heavy-duty heat shedding capability so your Acadia operates within factory temperature targets under all road conditions.