The Superb MK3 parts catalogue lists ten standard ride height rear springs for the FWD (Front Wheel Drive) car, as shown below. The springs are listed in order from softest to stiffest. Standard ride height rear springs (Superb MK3 FWD) 3Q0511115AH (Length 363mm, Wire diameter 11.25mm) 3Q0511115AJ (Length 361mm, Wire diameter 11.75mm) 3Q0511115AK (Length 364mm, Wire diameter 12.25mm) 3Q0511115AL (Length 359mm, Wire diameter 12.5mm) 3Q0511115M (Length 360mm, Wire diameter 12.75mm) 3Q0511115N (Length 361mm, Wire diameter 13.25mm) 3Q0511115P (Length 361mm, Wire diameter 13.5mm) 3Q0511115Q 3Q0511115R (Not available aftermarket) 3Q0511115BC (Not available aftermarket) Kilen 65125 (matches 3Q0511115AL) (£55.49 for two, on ebay) https://www.autodoc.co.uk/car-parts/oem/3q0511115al?supplier%5B%5D=246 https://www.ebay.co.uk/itm/352663645780 Kilen 65126 (matches 3Q0511115M) (£55.49 for two, on ebay) https://www.autodoc.co.uk/car-parts/oem/3q0511115m?supplier%5B%5D=246 https://www.ebay.co.uk/itm/352663645884 Bilstein 36-301942 (matches 3Q0511115N) https://www.autodoc.co.uk/car-parts/oem/3q0511115n?supplier%5B%5D=16 According to the Kilen online spring catalogue the Superb MK3 1.5TSI estate FWD with standard ride height has the third in the list, ie. 3Q0511115AK. However, according to the gknautomotive online spring catalogue the Superb MK3 1.5TSI estate FWD with standard ride height has the fourth in the list, ie. 3Q0511115AL. One way to find out what the factory fitted rear springs are is to open an account on "skoda parts com" and put the car in their online garage with its VIN number. Then when the rear springs are searched for, only the factory fitted ones will be shown...which enables the original OEM part number to be found.