This is an OEM Replacement Oil Pressure Switch. Precision-calibrated replacement oil pressure switches feature heavy contacts, brass pressure ferrules, Thermo-plastic insulators and brightly finished steel shells. Designed and tested to ensure consistently accurate pressure thresholds. Fits 1941-1984 Harley FL/FLH, 1980-1983 FLT/FLHT, 1982-1983 FXR/FXRS/FXRT, 1972-1984 FXE/FXS/FXEF/FXB/FXWG Big Twin Models Replaces HD# 26551-39C & 26552-72 Made in USA