Oil Pressure Switch AM100856 for John Deere 7775 4600 570 575 4475 5575 6675

Oil Pressure Switch for John Deere

This oil pressure switch AM100856 for John Deere 7775 4600 570 575 4475 5575 6675 monitors engine oil pressure and triggers a warning system when pressure falls below safe operating levels. Designed as a direct replacement for the OEM AM100856 part, this switch helps maintain reliable engine performance in supported John Deere equipment.

Overview

This oil pressure switch for John Deere is an electrical sensor that detects oil pressure changes and sends a signal to the dashboard warning light. It is intended for a range of John Deere models including 7775, 4600, 570, 575, 4475, 5575, and 6675, ensuring operators are alerted to potential lubrication issues. The switch is built to match the original specifications for accurate pressure sensing.

Built For Performance

• Direct replacement for OEM part number AM100856
• Robust housing resists oil and temperature extremes
• Threaded connection provides a leak-proof fit
• Electrical contacts are sealed against moisture and debris
• Calibrated to trigger at the factory-specified pressure setting

Fits These Machines

• for John Deere 7775
• for John Deere 4600
• for John Deere 570
• for John Deere 575
• for John Deere 4475
• for John Deere 5575
• for John Deere 6675

On-The-Job Use

• Used in agricultural tractors and loaders during field operations
• Provides critical oil pressure alerts during heavy tillage or hauling tasks
• Installed during routine engine maintenance to replace worn-out switches
• Supports fleet maintenance for mixed John Deere equipment

Specs At A Glance

Good To Know

Q: What are common signs that the oil pressure switch needs replacement? A: Common signs include a flickering oil pressure warning light, no warning light when ignition is on, or oil leaking from the switch body. Replacing the switch resolves these issues.

Q: Is this switch compatible with both gasoline and diesel John Deere engines? A: The switch is designed for engines that use a standard oil pressure sending unit, which covers many diesel and gasoline models listed. Always verify the thread size and electrical connector style to match your specific engine.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.