The Walker Products Engine Oil Pressure Switch (part number 256-1022) is a direct-fit replacement for 2003-2024 INFINITI and Nissan vehicles with 5.6L, 3.5L, and 4.0L engines. Walker Products Oil Pressure Switches are OE Replacement components that monitor engine lubrication pressure to protect against low-oil conditions and prevent engine damage.
Features:
- OE Replacement Calibration:Â Matches original specs for pressure activation point, thread pitch, and electrical response.
- Monitors Oil Pressure Levels:Â Activates dashboard warning or ECU input when oil pressure falls below safe operating thresholds.
- Prevents Engine Damage:Â Helps protect vital components by alerting the driver or system to low oil pressure conditions.
- Engineered for Harsh Conditions:Â Built to resist high temperatures, oil exposure, and vibration in demanding engine environments.
- Exact OE Fit: Installs directly in the factory location using original threads and connectors—no modifications required.
Specifications:
| Number of Terminals | 3 |
| Connector Type | Pin |
| Connector Gender | Male |
| Terminal Gender | Female |
Fits: 2003-2024 INFINITI and Nissan models including QX56, 350Z, Altima, Armada, Frontier, GT-R, Pathfinder, Pathfinder Armada and more — 5.6L, 3.5L, and 4.0L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
WARNING: This product can expose you to chemicals, including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm.
