GM NAH/J0U, Furnace Red. Paint Code NAH/J0U, Furnace Red for GM. NAH/J0U, Furnace Red for GM is formulated using R&E Low VOC Urethane Basecoat paint. The R&E Low VOC Urethane Basecoat paint exhibits exceptional color accuracy and excellent coverage and is specifically designed for all Automotive Refinish Applications.
