Walker 256-1049 Engine Oil Pressure Switch

Engine Oil Pressure Switch Overview

Walker 256-1049 is an OE replacement engine oil pressure switch built to monitor lubrication pressure and send a warning signal when pressure drops below safe limits. It is a direct-fit service part for a wide range of Honda and Acura applications, including Honda Civic, Honda CR-V, and Acura RDX.

Key Features

• OE replacement design for factory-style oil pressure monitoring.
• Matches OE specifications for pressure threshold, thread size, terminal type, and electrical response.
• Steel construction with oil-resistant, high-temperature materials for engine bay exposure.
• Blade terminal with oblong connector and male connector gender for factory-style electrical connection.
• Walker 256-1049 supports early warning functionality when oil pressure falls outside safe limits.

Detailed Description

This Walker oil pressure switch is engineered to activate the dashboard warning circuit or engine control signal when oil pressure drops, helping the driver or ECU respond before lubrication-related damage occurs. The steel-bodied design and OE-matched electrical characteristics support consistent operation in demanding engine conditions. For fitment, this part covers applications such as Fits 2006-2021 Honda Civic, N/A; Fits 2007-2022 Honda CR-V, N/A; and Fits 2019-2025 Acura RDX, N/A. The part number 256-1049 is also used across additional Honda and Acura models listed in the fitment data, making it a practical service replacement for oil light flicker, false warning, or loss of signal concerns. Walker 256-1049 is a direct-fit solution for vehicles that use the factory-style threaded switch location.

Common Uses

• Oil warning light flickering or intermittent operation.
• False low-oil-pressure warnings from a worn switch.
• No signal to the ECU or dash warning circuit under actual low-pressure conditions.
• Service replacement during engine maintenance or rebuild work.
• Restoring factory oil pressure monitoring on Honda and Acura vehicles.

Installation Notes and Tips

Install in the factory threaded location, typically on the engine block or oil filter housing, and connect to the existing wiring without modification. Verify thread size, terminal style, and electrical response against the original part before installation. The fitment data for part number 256-1049 includes multiple Honda and Acura applications, so confirm the exact vehicle listing before ordering.

Quality Assurance

Walker Products manufactures this switch to OE replacement standards and uses high-temperature, oil-resistant materials for consistent performance in engine service. Part number 256-1049 is built to match factory specifications for dependable oil pressure monitoring.