Fuel tank Sender Unit: 78-87 El Camino / ConquistaSept 2020.. current stock is now reproductions we are not paying out for "genuine old stock old electrial NOS" ones and their 4 x over inflated price.! These are new reproductions and been good items. Complete kit for the replacement of the ranging years.. 1978 to 87 GMC Conquista & Chevy El Camino ute series twin pipe Sender unit with filter, seal and lock ring for the 22 gallon tank range.