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Home > Engine, Exhaust, Brakes & Suspension > Crankcase Vent Air Filters > Scion xB PCV Valve 2003-2007 Genuine Factory Replacement Sold Individually Genuine Scion #12204-21011 > Scion xB PCV Valve 2003 (2003-2007) Genuine Factory Replacement Sold Individually Genuine Scion #12204-21011
Scion xB PCV Valve 2003-2007 Genuine Factory Replacement Sold Individually Genuine Scion #12204-21011Image may differ from actual product


Scion xB PCV Valve 2003 (2003-2007) Genuine Factory Replacement Sold Individually Genuine Scion #12204-21011

$10.88(Reg. $12.40)
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Summary
Fits the following Scion xB applications:
  • Year: 2003
  • Make: Scion
  • Model: xB
  • Oldest Model Year: 2003
  • Newest Model Year: 2007
  • Cylinders: 4
  • Liter: 1.5
  • Engine: 1NZFE
Specifications:
  • Quantity: Sold Individually
What is the PCV valve and why should I change it? A Positive Crankcase Ventilation valve (PCV valve) is a one-way valve that ensures continual evacuation of gases from inside your xB's engine crankcase .As your xB runs, high-pressure gases are contained within the combustion chamber and prevented from passing into the crankcase between the side of the piston and the cylinder bore by piston rings which seal against the cylinder. A small amount of gas always leaks past the piston rings even in new engines into the crankcase and increases as the engine wears. Scratches on the cylinder walls or piston rings, such as those caused by foreign objects entering the engine, can cause large amounts of leakage. This leaked gas is known as blow-by because the pressure within the cylinders blows it by the piston rings. If this blow-by gas could not escape then pressure would build up within the crankcase. The PCV valve addresses this problem and should be changed every 30-50,000 miles.
  • Ensures continual evacuation of harmful gases.
  • Simple removal/installation, you can do it in your driveway.
  • Helps extend your xB's engine life.
  • Should be changed every 30-50,000 miles.
  • How do I change a PCV valve on a Scion xB? View an amateur installation video or view Toyota's PCV Valve Installation Guide.
  • Fits the following Scion xB applications:
    • Year: 2003
    • Make: Scion
    • Model: xB
    • Oldest Model Year: 2003
    • Newest Model Year: 2007
    • Cylinders: 4
    • Liter: 1.5
    • Engine: 1NZFE
    Specifications:
    • Quantity: Sold Individually
    Scion xB PCV Valve 2003-2007 Genuine Factory Replacement Sold Individually Genuine Scion #12204-21011
    $10.88