These are the rubber bumpers that go between the fan shroud and the radiator to hold it in the core support. Since there were many radiator options these were different length to fit the end tank of the radiator.
1992-1999 BMW 3 Series Radiator Core Support Mauritiusblau Metallic 68 41138122560 E36
Radiator Core, Bmw Series, Chang'e 3, Radiators, Metallic
Cool Great 2000-2003 Nissan Maxima Radiator Core Lower Support Tie Bar OEM NEW 2017 2018 Check more at http://24auto.ga/2017/great-2000-2003-nissan-maxima-radiator-core-lower-support-tie-bar-oem-new-2017-2018/
1968 - 1968 Dodge Super Bee B-Body Radiator Core Assembly