400E replacement radiator, did I screw up?

[slowbenzo]

Hey there, just bought a replacement radiator for my 1992 400E which I am going to be selling soon. Wanted to go as cheap as possible, and bought a BEHR replacement radiator from *********************** . It appears that this radiator is 533 x 488 mm where as there is also a 612 x 488 size. This one says its a direct fit OEM replacement... I am confused..... The part I bought is below, is it going to work?

http://www.***********************/sku/Mercedes_Benz/400E/Behr/Radiator/1992/Base/8_Cyl_4-dot-2L/BEH376712421.html?tlc=Engine+%26+Drivetrain&intcmpid=Product+Listings+Best+Seller