Add to Cart Mack GU713 CHU613 Evolution Charge Air Cooler By Dura-Lite 21504562 Dura-Lite MSRP: Now: $1,547.95 Was: Mack GU713 Granite CHU613 Evolution® Charge Air Cooler By Dura-Lite 21504562 *Please Verify OEM Number Before Purchase *Pictures For Reference* Why Choose the Evolution®: Guaranteed Leak Free Design Life Span is 3-5 Times Longer Than Factory... MSRP: Now: $1,547.95 Was: Add to Cart