This Dorman 603-116 Engine Coolant Reservoir replaces 10188034, 10402687, 26032950, FRT1222C, RC78, Spectra Premium FRT1222C, ACDelco RC78, General Motors 10188034, General Motors 10402687, General Motors 26032950, Standard Motor Products FRT1222C, OEM parts and is perfect for replacement or a performance upgrade. .
