Genuine Mazda CX7 Drive Belt. Your CX-7 only has one belt. Check your belts and hoses every 15,000 miles. Use only genuine Mazda parts and accessories. Please state the last 8 of your VIN at checkout. Genuine Mazda CX-7 Accessories and Mazda CX-7 Parts offer the style, comfort, quality and satisfaction that make driving a Mazda CX-7 even more rewarding. Designed and guaranteed to fit your Mazda CX-7 perfectly inside and out, they are the only accessories built to the same quality standards as your Mazda CX-7.