Genuine Mazda 6 Lower Radiator Hose (V6).This is the lower radiator hose that goes to the bottom of the radiator. Check your hoses every 15,000 miles. Use only genuine Mazda hose parts and accessories. Genuine Mazda 6 Accessories and Mazda 6 Parts offer the style, comfort, quality and satisfaction that make driving a Mazda 6 even more rewarding. Designed and guaranteed to fit your Mazda 6 perfectly inside and out, they are the only accessories built to the same quality standards as your Mazda 6.