AcDelco's 37183442 Rear Axle Seal provides peace of mind when it comes to protecting your vehicle from rear axle seal leaks. With an easy three-bolt installation, this superior quality product ensures a perfect fit every time and is designed to last. Don't risk your happiness; feel confident about your purchase with AcDelco's nationwide warranty - you're guaranteed exceptional performance for years to come. So if you drive a Duramax from 2011-2022, think AcDelco for improved reliability and unbeatable value when it comes to rear axle seals.