Walker 256-1098 Engine Oil Pressure Switch

Brand Walker 256-1098
Color Black
Terminal Type Threaded
Connector Quantity 1
Terminal Quantity 1
Connector Gender Male
Terminal Gender Male
Fits Ford, Lincoln, and Mercury · 103 vehicles

OE replacement. Restores factory-style oil pressure monitoring and warning signal output.

Threaded connection. Uses a male threaded terminal with one connector for direct electrical hookup.

Heat-resistant build. Made with oil-resistant materials for consistent engine-bay performance.

$28.77Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
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Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Engine Oil Pressure Switch Overview

Walker 256-1098 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 Ford, Mercury, and Lincoln applications that need accurate oil pressure signaling.

Key Features

  • OE replacement design for factory-style oil pressure monitoring
  • Matches OE specifications for pressure threshold, thread size, terminal type, and electrical response
  • High-temperature, oil-resistant construction for engine bay exposure
  • Threaded male terminal connection with one connector and one terminal
  • Black housing for a factory-style appearance

Detailed Description

This Walker oil pressure switch is engineered to restore proper signal output to the ECU or dashboard warning system when oil pressure falls outside the normal range. The 256-1098 threads directly into the factory location and connects to existing wiring without modification, making it a practical replacement for service work, drivability repairs, or engine rebuilds. It is a fitment-based solution for Ford F-150, Ford F-250, Ford F-350, Ford Ranger, Ford Explorer, and related Ford, Mercury, and Lincoln platforms that use this style of switch. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Oil light flickering or intermittent warning behavior
  • False low-oil-pressure alerts
  • No signal when actual oil pressure drops
  • Loss of reliable dashboard or ECU pressure input
  • Worn or failed factory oil pressure switch operation

Installation Notes and Tips

Install the switch in the factory oil pressure port, typically on the engine block or oil filter housing, and verify the connector style before installation. Confirm thread size and electrical response against the original part to ensure proper operation. The 256-1098 is intended to connect to existing wiring and factory mounting points.

Quality Assurance

Walker Products manufactures this switch to OE specifications for fit and electrical performance, using materials selected for heat and oil resistance in continuous engine service.

This part fits 103 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
1999FordCrown Victoria—4.6LV8—
1999MercuryGrand Marquis—4.6LV8—
1998FordCrown Victoria—4.6LV8—
1998FordExplorer—4.0LV6—
1998FordMustangGT4.6LV8—
1998FordRanger—4.0LV6—
1998LincolnTown Car—4.6LV8—
1998MercuryGrand Marquis—4.6LV8—
1998MercuryMountaineer—4.0LV6—
1997FordAerostar—4.0LV6—
1997FordCrown Victoria—4.6LV8—
1997FordExplorer—5.0LV8—
1997FordF-250 HD—7.5LV8—
1997FordF-350—7.5LV8—
1997FordF-53 Motorhome Chassis—7.5LV8—
1997FordF-59 Commercial Stripped Chassis—7.3LV8—
1997FordF-Super Duty—7.5LV8—
1997FordMustangGT4.6LV8—
1997FordRanger—4.0LV6—
1997FordThunderbird—4.6LV8—
1997LincolnTown Car—4.6LV8—
1997MercuryCougar—4.6LV8—
1997MercuryGrand Marquis—4.6LV8—
1997MercuryMountaineer—5.0LV8—
1996FordAerostar—4.0LV6—
1996FordBronco—5.8LV8—
1996FordCrown Victoria—4.6LV8—
1996FordE-150 Econoline—5.8LV8—
1996FordE-150 Econoline Club Wagon—5.8LV8—
1996FordE-250 Econoline—5.8LV8—
1996FordE-350 Econoline—7.5LV8—
1996FordE-350 Econoline Club Wagon—7.5LV8—
1996FordEconoline Super Duty—7.5LV8—
1996FordExplorer—5.0LV8—
1996FordF-150—5.8LV8—
1996FordF-250—5.8LV8—
1996FordF-350—7.5LV8—
1996FordF-53 Motorhome Chassis—7.5LV8—
1996FordF-59 Commercial Stripped Chassis—7.3LV8—
1996FordF-Super Duty—7.5LV8—
1996FordMustangGT4.6LV8—
1996FordRanger—4.0LV6—
1996FordThunderbird—4.6LV8—
1996LincolnTown Car—4.6LV8—
1996MercuryCougar—4.6LV8—
1996MercuryGrand Marquis—4.6LV8—
1995FordAerostar—4.0LV6—
1995FordBronco—5.8LV8—
1995FordCrown Victoria—4.6LV8—
1995FordE-150 Econoline—5.8LV8—
1995FordE-150 Econoline Club Wagon—5.8LV8—
1995FordE-250 Econoline—5.8LV8—
1995FordE-350 Econoline—7.5LV8—
1995FordE-350 Econoline Club Wagon—7.5LV8—
1995FordExplorer—4.0LV6—
1995FordF-150—5.8LV8—
1995FordF-250—7.5LV8—
1995FordF-350—7.5LV8—
1995FordF-53 Motorhome Chassis—7.5LV8—
1995FordF-59 Commercial Stripped Chassis—7.3LV8—
1995FordF-Super Duty—7.5LV8—
1995FordMustang—5.0LV8—
1995FordRanger—4.0LV6—
1995FordThunderbird—4.6LV8—
1995MercuryCougar—4.6LV8—
1995MercuryGrand Marquis—4.6LV8—
1994FordE-350 Econoline—7.3LV8—
1994FordE-350 Econoline Club Wagon—7.3LV8—
1994FordF-250—7.3LV8—
1994FordF-350—7.3LV8—
1994FordMustang—5.0LV8—
1994FordRanger—4.0LV6—
1994MercuryCougar—4.6LV8For Gauge
1993FordE-350 Econoline—7.3LV8—
1993FordE-350 Econoline Club Wagon—7.3LV8—
1993FordF-250—7.3LV8—
1993FordF-350—7.3LV8—
1993FordRanger—4.0LV6—
1992FordE-350 Econoline—7.3LV8—
1992FordE-350 Econoline Club Wagon—7.3LV8—
1992FordF-250—7.3LV8—
1992FordF-350—7.3LV8—
1991FordF-250—7.3LV8—
1991FordF-350—7.3LV8—
1990FordF-250—7.3LV8—
1990FordF-350—7.3LV8—
1990FordRanger—4.0LV6—
1990LincolnContinental—3.8LV6—
1989FordBronco—5.8LV8For Gauge/Light
1989FordE-150 Econoline—5.8LV8For Gauge/Light
1989FordE-150 Econoline Club Wagon—5.8LV8For Gauge/Light
1989FordE-250 Econoline—5.8LV8For Gauge/Light
1989FordE-250 Econoline Club Wagon—5.8LV8For Gauge/Light
1989FordE-350 Econoline—5.8LV8For Gauge/Light
1989FordE-350 Econoline Club Wagon—5.8LV8For Gauge/Light
1989FordF-150—5.8LV8For Gauge/Light
1989FordF-250—7.5LV8For Gauge/Light
1989FordF-350—7.5LV8For Gauge/Light
1989LincolnContinental—3.8LV6—
1988FordBronco—5.8LV8For Gauge/Light
1988FordF-150—5.8LV8For Gauge/Light
1988FordF-250—7.5LV8For Gauge/Light
1988FordF-350—7.5LV8For Gauge/Light