Walker 256-1263 Engine Oil Pressure Switch

Engine Oil Pressure Switch for Land Rover

Walker 256-1263 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 select Land Rover Discovery, Range Rover, Defender 90, and Defender 110 applications, with factory-style electrical response and thread specifications.

• OE replacement engine oil pressure switch
• Spade terminal with 1 female connector and 1 male terminal
• White housing
• Matches OE pressure threshold, thread size, and terminal style
• High-temperature, oil-resistant construction
• Direct installation at the factory oil pressure switch location

Detailed Application Coverage

Walker 256-1263 is engineered for accurate oil pressure monitoring in Land Rover engines. It threads into the original mounting point, typically on the engine block or oil filter housing, and connects to the existing wiring without modification. This part cross-references OE-style replacement numbers for the same application. For buyers searching for a Land Rover Discovery oil pressure switch, Range Rover oil pressure switch, or a Walker 256-1263 replacement, this unit is built to restore the factory warning function.

Compatible With: Fits 1999 Land Rover Discovery, N/A, to chassis/VIN #XA231750; Fits 1999 Land Rover Range Rover, N/A, to chassis/VIN #XA426593; Fits 1994-1998 Land Rover Discovery, N/A; Fits 1992-1998 Land Rover Range Rover, N/A; Fits 1997 Land Rover Defender 90, N/A; Fits 1994-1995 Land Rover Defender 90, N/A; Fits 1993 Land Rover Defender 110, N/A.

What It Helps Address

• Oil warning light flickering or intermittent operation
• False low-oil-pressure warnings
• No signal to the ECU or dash warning circuit
• Loss of oil pressure alert during an actual pressure drop
• Faulty switch behavior during engine service or rebuild work

Installation Notes

Verify the thread size, terminal style, and chassis/VIN breakpoints before installation. Replace the switch at the factory location and reconnect the existing spade-style wiring terminal securely. Confirm proper oil pressure warning operation after installation on the applicable Land Rover Discovery, Range Rover, Defender 90, or Defender 110 application.

Quality Assurance

Walker manufactures this oil pressure switch to OE specifications for fit, electrical response, and pressure threshold control. The design uses oil-resistant, high-temperature materials for consistent operation in engine environments.