If you're looking for a reliable, professional-grade rear adapter housing for your 2500HD or 3500 Silverado/Sierra 2011-2019, the Allison 24258440 Rear Adapter Housing is just what you need. Expertly crafted with premium parts that are built to last, this toughened component from Allison will stand the test of time and keep your vehicle running nicely year after year. With its perfect OEM replacement fitment, you can rest assured it will seamlessly integrate into your existing system. Plus, backing from Allison's renowned customer service team means that if you ever have a question about the product or its installation process, help is only a phone call away. Take home the Allison 24258440 Rear Adapter Housing today and get your vehicle back on the road in no time.