John Deere Oil Pressure Sender Sensor Switch | Replaces AR27977, AT85174 | For Tractors & Equipment

If your John Deere tractor or equipment is having oil pressure gauge issues, this replacement sender sensor might be the fix. It replaces OEM part numbers AR27977 and AT85174. The sensor monitors oil pressure and sends a signal to your gauge or warning light. Brand new in its original packaging. Easy to install if you're handy—usually just unscrew the old one and screw in the new, making sure to seal it properly. Perfect for DIY repairs on farms, lawns, or job sites. Always check your specific model compatibility before buying. A faulty sender can give false readings or leave you in the dark about your engine's oil pressure. Keep your Deere running smoothly with a reliable sensor. See the seller's listing for exact model fitment. A small part that can prevent big engine problems. Essential for anyone maintaining John Deere machinery.