Hella 003259421 Engine Oil Pressure Switch

Reliable Engine Oil Pressure Switch for Ford and Lincoln Vehicles

The Hella Engine Oil Pressure Switch 003259421 is designed to provide accurate oil pressure monitoring for a range of Ford, Lincoln, and Mercury models. This black switch features a normally closed contact and is engineered to operate within specific pressure parameters, ensuring dependable engine performance.

• Colour: Black
• Combi Switch Function: Normally closed contact
• Current Strength: 0.25 A
• Number of Connectors: 1
• Rated Voltage: 12 V
• Spanner Size: 24 mm
• Switch Pressure Range: 0.20 to 0.50 bar
• Thread Size: 1/4-18 NPT

About the Genuine OE from HELLA Product Line

This Engine Oil Pressure Switch is part of the Genuine OE from HELLA line, which focuses on delivering original equipment quality components. Products in this line are manufactured to meet or exceed OEM specifications, providing reliable fitment and performance for your vehicle’s engine management system.

Detailed Product Description

The Hella 003259421 Engine Oil Pressure Switch is engineered to monitor oil pressure within a narrow range of 0.20 to 0.50 bar, activating a normally closed contact to signal engine oil pressure status. With a single connector and a rated voltage of 12 volts, this switch is compatible with various Ford, Lincoln, and Mercury models including the Mustang, F-150, Explorer, Town Car, and more. The 24 mm spanner size and 1/4-18 NPT thread ensure straightforward installation and secure fitting.

Common Applications and Issues Addressed

• Detecting low engine oil pressure to prevent engine damage
• Triggering dashboard warning lights for oil pressure alerts
• Ensuring proper engine lubrication monitoring in Ford F-150 and Lincoln Continental
• Maintaining engine safety systems in Mercury Cougar and Ford Mustang
• Replacing faulty or worn oil pressure switches in Econoline vans and other compatible models

Installation Notes and Tips

When installing the Hella 003259421 Engine Oil Pressure Switch, ensure the engine is cool to avoid injury. Use a 24 mm spanner to tighten the switch securely without over-torquing. Verify the thread size matches the engine port (1/4-18 NPT) to prevent leaks. Confirm electrical connections are clean and properly seated to maintain accurate signal transmission.

Quality Assurance and Warranty

As part of the Genuine OE from HELLA product line, this engine oil pressure switch is manufactured to meet strict quality standards. It is designed for durability and reliable performance in demanding automotive environments. Warranty details are provided by the manufacturer and should be confirmed at the time of purchase.