Brake caliper (RIGHT REAR) - ABS 431842. Brake caliper (1 piston), Brake caliper with integrated parking brake. For vehicles with electric parking brake.OE numbers Vauxhall, Opel: 13417968, 13417972. Customers must ensure that they have exactly matched their original part number to the list. If you are unsure about anything, simply click on contact us - we will need your vehicle registration number so that we can double-check for you before purchasing. If no registration is provided at the time of payment or upon request, we will ship the item you ordered. We assume that the buyer has made all necessary checks before purchasing this item, and therefore, we decline any responsibility if the item is deemed incorrect when you come to install it. In this case, we ask you to cover the return costs (parts cannot be returned if they are fitted). There may be other factors that can determine whether a part will fit your vehicle or not. These factors may include, but are not limited to, the engine number, engine code, chassis number, production date, registration date, country of origin, transmission type, additional features ABS, TCS, Air-Con, etc. This chart should be used for reference purposes only and does not constitute a guarantee of fitment.