Mishimoto X-Line 3-Row Performance Aluminum Radiator for 1978-1991 Chevrolet/GMC C/K Trucks (MMRAD-CK-78X)

Fits select 1978-1991 Chevrolet and GMC C/K series trucks, Blazer, Jimmy, and R/V series models (5.0L / 5.7L).

The Mishimoto X-Line Performance Aluminum Radiator is designed to provide significantly higher cooling efficiency for your classic GM truck or SUV. Featuring a 3-row brazed aluminum core, this radiator increases fluid capacity and surface area to better dissipate heat during heavy towing or high-performance driving. The all-aluminum construction replaces failure-prone factory plastic tanks with high-strength, TIG-welded end tanks for long-term durability under pressure.

This radiator is a versatile cooling solution that includes an internal transmission cooler, ensuring optimal fluid temperatures for vehicles equipped with automatic transmissions. Whether you are restoring a square-body C10 or maintaining a heavy-duty K30, the MMRAD-CK-78X offers the thermal headroom required for demanding environments.

• 3-row brazed aluminum core for maximum heat transfer
• Full aluminum construction with durable TIG-welded end tanks
• Internal transmission cooler included for automatic applications
• Engineered for direct-fit installation on select 1978-1991 GM vehicles
• Manufacturer Part Number: MMRAD-CK-78X