Genuine Jaguar OEM front seat belt buckle assemblies (part numbers T4A11106 and T4A11105). This set includes both the driver and passenger side receivers. Each buckle is equipped with an explosive pretensioner designed to pull the buckle downward during a collision to tighten the lap belt. These units also house the electrical switch for the vehicle’s “unbuckled” warning system. Key Details & Specifications. Part Name: Front Seat Belt Buckle (Left & Right). Part Number (MPN): T4A1106 (LH) & T4A11105 (RH). Country of Manufacture: United Kingdom. At SalvageAutoPart, we’re proud to be one of the largest OEM auto parts sellers worldwide. Every part we offer is carefully pulled, inspected, and tested to ensure quality and reliability before being listed. Our team will gladly assist in finding the right part for your vehicle. OEM parts are built to factory specifications, ensuring the right fit, performance, and safety compared to aftermarket alternatives. We sell parts pulled from vehicles. They are 100% compatible with original OEM part numbers. In case you are looking to substitute a part, please check with your car’s part number and catalog.