Walker 256-1277 Engine Oil Pressure Switch

Walker 256-1277 Engine Oil Pressure Switch

Walker 256-1277 is an OE replacement engine oil pressure switch built to monitor lubrication pressure and trigger the warning circuit when pressure drops below safe limits. It is a direct-fit solution for vehicles such as the Nissan Pathfinder, Nissan 200SX, and Suzuki XL-7, with factory-style electrical response and connector layout.

Key Features

• OE replacement oil pressure switch for engine warning systems
• Matches factory pressure threshold, thread size, and terminal type
• Plastic body with gray finish for OE-style appearance
• Spade terminal design with 1 female connector and 2 male terminals
• Built with oil-resistant, high-temperature materials for engine bay exposure
• Direct-thread installation at the engine block or oil filter housing

Detailed Description

This Walker oil pressure switch is engineered to send the correct signal to the ECU or dashboard warning light when oil pressure falls below the expected range. The 256-1277 is designed around OE specifications so it threads into the factory location and connects to existing wiring without modification. For drivers servicing a Nissan Pathfinder, Nissan 200SX, or Suzuki XL-7, Walker 256-1277 provides the correct electrical response needed for accurate oil pressure monitoring.

Walker Products builds this switch with materials selected to withstand prolonged heat and oil exposure, helping maintain stable operation in demanding engine environments. The result is a replacement part that restores the factory warning function and supports early detection of lubrication problems.

What It Helps Solve

• Oil warning light flickering or intermittent operation
• False low-oil-pressure warnings
• No warning signal when actual oil pressure is low
• Faulty oil pressure switch electrical response
• Loss of dashboard or ECU oil pressure input

Installation Notes and Tips

Install Walker 256-1277 in the original switch location on the engine block or oil filter housing, following the vehicle service procedure. Verify the connector style, terminal count, and thread specification before installation. On applications such as the Nissan Pathfinder and Suzuki XL-7, confirm the existing harness matches the spade-terminal configuration for proper connection.

Quality Assurance

Walker Products manufactures this oil pressure switch to OE replacement standards for fit, electrical response, and pressure threshold accuracy. Part number 256-1277 is built for consistent warning-system performance in factory-style engine monitoring applications.