I wouldn't be without my oil pressure guage.
It must be easy to fix the sensor as it's easy to get to. Having said that, I've never needed to fix/replace mine.
RE 4.5 inch superflex lift, RE GEN2 disconnects, 15x8 Crager 352's, 33x12.5x15 BFG MT, ARB Lockers Front and Rear, 4.56 Diffs, Cut & Tap Short Shaft Conversion, CV Rear Prop, B&M Transmission Cooler and Gauge, Bushwackers Cut-Outs, Skid Row Armor, AJ's SuperRails, LeBaron Hood Vents, KargoMaster Rack, Safari Snorkel, KC Daylighters, Midland CB, Brantz Navigation
Loads a mud!!