Features 1. Fitment: Replacement for Suburban 2000-2013; Replacement for Yukon 2000-2013. Built to original specifications and standards. 2. Function: AC block off kit allows you to use the front system without loss of refrigerant from the rear lines or evaporator. 3. Package Includes: Air conditioning block off kit includes blocks, O-rings or sealing washers, nut, and bolt to meet your needs. 4. Rugged Construction: Constructed of high-strength aluminum alloy, the air conditioner block off kit is solid, chemical resistant, rustproof, and durable. 5. Simple Operation: Precisely machined, the rear AC block off kit offers high reliability and stable performance, and is easy to install. Specification Item Type: AC Block Off Kit Material: Aluminum Alloy Fitment: Replacement for Suburban 2000-2013 Replacement for Yukon 2000-2013 Package List 2 x AC Block 1 x Bolt 2 x Gasket