Standard Ignition V284 PCV Valve
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Standard Ignition

Standard Ignition V284 PCV Valve

Brand Standard Ignition V284
Attachment Method Screw-in
Connector Gender No Connector
Contents Valve
Nipple Orientation Straight
Fits Nissan and Subaru · 7 vehicles

Screw-in design. Installs with an M14x1.50 thread for a secure fit.

Metal construction. Built for durable crankcase ventilation service.

Straight outlet. Provides a simple hose connection with one nipple.

Cross-references Standard Ignition V284, 2-9495 and 11810P7900 for the same application. See all 4.

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Standard Ignition V284 PCV Valve

The Standard Ignition V284 is a screw-in PCV valve for crankcase ventilation service on select Nissan applications. It uses a metal body with a straight nipple, black finish, and M14 x 1.50 thread size for direct replacement use on the listed vehicles.

Key Features

  • PCV valve for emission control and crankcase ventilation service
  • Screw-in attachment method with M14 x 1.50 thread size
  • Metal construction with black finish
  • Straight nipple orientation with one hose connector
  • Inlet diameter: 0.24 in. (6.096 mm)
  • Outlet diameter: 0.27 in. (6.858 mm)
  • No cap, gasket, connector, or mounting bracket included

Application Details

Fits 1990-1993 Nissan 300ZX, N/A. Fits 1989-1990 Nissan 240SX, N/A. Fits 1981 Nissan Maxima, N/A. This Standard Ignition V284 PCV valve is a direct-fit service part for these Nissan crankcase ventilation applications, including Nissan 300ZX PCV valve replacement and Nissan 240SX PCV valve replacement searches.

This part cross-references 2-9495 and PCV494 for the same application.

What It Helps Address

  • Excess crankcase pressure
  • Oil vapor buildup in the ventilation system
  • Rough idle caused by a sticking PCV valve
  • Vacuum-related drivability issues tied to crankcase ventilation
  • Emission control service needs on the listed Nissan models

Installation Notes

Install as a screw-in valve using the correct M14 x 1.50 threaded port. Verify hose routing, nipple alignment, and sealing surfaces before installation. Because no gasket is included, confirm the vehicle uses the proper sealing method for the application.

Quality Assurance

Standard Ignition supplies this PCV valve as an emission control replacement part built to match the listed fitment and connection specifications for the Nissan 300ZX, 240SX, and Maxima applications.

Related reading

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1993Nissan300ZX3.0LV6N/A—
1992Nissan300ZX3.0LV6N/A—
1991Nissan300ZX3.0LV6N/A—
1990Nissan240SX2.4LL4N/A—
1990Nissan300ZX3.0LV6N/A—
1989Nissan240SX2.4LL4N/A—
1981NissanMaxima2.4LL6N/A—
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — V2842-949511810P7900PCV494