Oil Pressure Sender Unit for Dodge Full Size P/U 88-89 Pin Type 1/8 in. X 27 NPT Thread Size FREE 1-year UNLIMITED mileage warranty coverage on Evan-Fischer items purchased thru AUTO PARTS GIANT Store A high quality, Direct Fit OE Replacement Oil Pressure Switch from Evan-Fischer 1/8 in. x 27 NPT thread size; Pin type; 2-prong male terminal