Standard Ignition V366 PCV Valve

Brand Standard Ignition V366
Attachment Method Screw-in
Connector Gender No Connector
Contents Valve
Hose Size - Inches 3/8"
Hose Size - mm 10 mm
Nipple Orientation Straight
Notes Complete Assembly
Fits Toyota and Scion · 22 vehicles

Screw-in design. Installs securely with a 3/8 NPT thread.

Metal construction. Built for dependable crankcase ventilation service.

Complete assembly. Includes the valve with a straight hose connection.

Cross-references Standard Ignition V366, 2-9477 and 1220421010 for the same application. See all 4.

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Standard Ignition V366 PCV Valve

The Standard Ignition V366 is a screw-in PCV valve built for crankcase ventilation service on select Toyota, Scion, and Toyota Prius applications. It uses a metal body with a straight nipple and a single 3/8 in. hose connection for a direct replacement style installation.

Key Features

  • Standard Ignition V366 PCV valve for emission control service
  • Screw-in attachment method with 3/8 NPT thread size
  • Metal construction with black finish
  • Straight nipple orientation and one 3/8 in. hose connector
  • Complete assembly with valve only; no cap or gasket included
  • Inlet diameter: 0.21 in. / 5.334 mm; outlet diameter: 0.17 in. / 4.318 mm

Product Details

This PCV valve is used in the crankcase ventilation system to help route vapors through the engine’s emission control path. The V366 is listed for 2000-2005 Toyota Echo, 2001-2008 Toyota Prius, 2004-2006 Scion xA, 2004-2006 Scion xB, and 2007-2008 Toyota Yaris. If you are searching for a PCV valve for a Toyota Prius, Scion xB, or Toyota Echo, Standard Ignition V366 provides the specified screw-in fitment and hose connection layout for those applications.

This part cross-references 2-9477 and PCV477 for the same application.

What It Helps Address

  • Crankcase pressure buildup from a restricted PCV valve
  • Oil vapor routing issues in the emission control system
  • Rough idle caused by a sticking or worn PCV valve
  • Vacuum leak concerns related to a damaged valve connection
  • Emission system service needs on listed Toyota and Scion models

Installation Notes and Tips

Verify the 3/8 NPT thread size, screw-in mounting style, and 3/8 in. hose connection before installation. Match the inlet and outlet dimensions to the original part and inspect the hose condition, since no gasket is included. Confirm vehicle application by year and model before ordering, especially for Toyota Prius, Scion xA, Scion xB, Toyota Yaris, and Toyota Echo applications.

Quality Assurance

Standard Ignition supplies this PCV valve as a metal complete assembly for emission control service. Fitment is listed for specific Toyota and Scion applications, including 2001-2008 Toyota Prius and 2004-2006 Scion xB, to support accurate replacement selection.

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2008ToyotaPriusN/A
2008ToyotaYarisN/A
2007ToyotaPriusN/A
2007ToyotaYarisN/A
2006ScionxAN/A
2006ScionxBN/A
2006ToyotaPriusN/A
2005ScionxAN/A
2005ScionxBN/A
2005ToyotaEchoN/A
2005ToyotaPriusN/A
2004ScionxAN/A
2004ScionxBN/A
2004ToyotaEcho1.5LL4N/A
2004ToyotaPrius1.5LL4N/A
2003ToyotaEcho1.5LL4N/A
2003ToyotaPrius1.5LL4N/A
2002ToyotaEcho1.5LL4N/A
2002ToyotaPrius1.5LL4N/A
2001ToyotaEcho1.5LL4N/A
2001ToyotaPrius1.5LL4N/A
2000ToyotaEcho1.5LL4N/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 — V3662-94771220421010PCV477