The Cabin Air Springs AS7001 is a practical and reliable replacement for OE numbers Contitech SC29-O001 and Firestone W02-358-7001. This cabin air spring is designed for link applications and is sold individually. It fits various OE parts, making it a versatile and convenient option for a range of vehicles. With its durable construction and easy installation, the AS7001 is a cost-effective solution for maintaining optimal suspension performance. Upgrade your vehicle's cabin air spring with this high-quality replacement for a smooth and comfortable ride.