Koyorad A2881 Radiator

Koyorad A2881 Radiator for GM Minivans

The Koyorad A2881 radiator is an OE-equivalent replacement built for select GM minivan applications. It features an aluminum core with plastic tanks and includes an internal transmission oil cooler for direct replacement service on equipped vehicles.

• Fits 2006-2009 Chevrolet Uplander
• Fits 2006-2009 Pontiac Montana
• Fits 2006-2007 Buick Terraza
• Fits 2006-2007 Saturn Relay
• Aluminum core with 1-row construction
• Plastic tank design for OE-style fitment
• Inlet diameter: 1.3125 in.
• Outlet diameter: 1.3125 in.
• Transmission oil cooler included and integrated
• Transmission oil cooler diameter: 1.0625 in.

OE-Style Cooling Replacement

Koyorad builds the A2881 radiator as a direct-fit replacement for GM platforms that use a built-in transmission cooler. The 30.4375-inch core height, 14.9375-inch core width, and 1-inch core thickness reflect a compact OE-style layout, while the aluminum core helps maintain efficient heat transfer. For shoppers searching for a radiator for 2006-2009 Chevrolet Uplander, Pontiac Montana, Buick Terraza, or Saturn Relay, this part number provides a focused fitment match.

Koyorad A2881 is a practical choice when replacing a leaking, clogged, or damaged radiator on these vehicles. It is also a relevant search match for drivers needing a Koyorad A2881 radiator with an internal transmission oil cooler already included.

Common Reasons for Replacement

• Coolant leaks from cracked tanks or worn seams
• Overheating caused by restricted coolant flow
• Transmission fluid temperature issues in radiator-equipped cooling systems
• Corrosion or internal buildup in the original radiator
• Physical damage from road debris or age-related wear

Installation Notes and Tips

Verify radiator dimensions, inlet and outlet size, and transmission cooler connections before installation. This radiator is listed with internal transmission oil cooler provisions, so confirm your vehicle uses the same configuration before ordering. Flush the cooling system, inspect hoses and clamps, and refill with the correct coolant mixture after installation.

Quality Assurance

Koyorad positions this radiator as an OE-equivalent replacement and uses manufacturing experience focused on accurate fit and dependable cooling performance. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.