ACDelco 19313320 PCV Valve

Positive Crankcase Ventilation (PCV) Valve

Fits: 97-04 Chevrolet Corvette, 98-02 Chevrolet Camaro, 98-02 Pontiac Firebird, 99-02 Chevrolet Silverado 1500, 99-04 Chevrolet Silverado 2500, 99-02 GMC Sierra 1500, 99-02 GMC Sierra 2500, 04 Chevrolet Silverado 1500, 00-02 Chevrolet Suburban 1500, 00-02 Chevrolet Suburban 2500, 00-02 Chevrolet Tahoe, 00-02 GMC Yukon, 00-02 GMC Yukon XL 1500, 00-02 GMC Yukon XL 2500, 01-02 Chevrolet Silverado 1500 HD, 01-02 Chevrolet Silverado 2500 HD, 01-02 Chevrolet Silverado 3500, 01-02 GMC Sierra 1500 HD, 01-02 GMC Sierra 2500 HD, 01-02 GMC Sierra 3500, 02 Cadillac Escalade, 02 Cadillac Escalade EXT, 02 Chevrolet Avalanche 1500, 04 Pontiac GTO

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Positive Crankcase Ventilation (PCV) Valve



  • Positive Crankcase Ventilation (PCV) Valve


Cap IncludedNO
FAQ - A1Yes, but with today's computerized engine systems, maintaining your Fuel Vapor Control system is best left to a professional technician.
FAQ - A2Yes, when your vehicle's EVAP system isn't properly maintained it can hamper the fuel economy and emissions of your vehicle.
FAQ - A3Yes, make sure your entire EVAP system is maintained to assure better combustion and environmental regulation compliance. Also, tighten the fuel cap securely to prevent gasoline from evaporating.
FAQ - Q1Can I replace ACDelco Fuel Vapor Control components on my own?
FAQ - Q2If I do not maintain my vehicle's fuel vapor controls can it affect fuel efficiency?
FAQ - Q3Are there steps I can take to ensure top fuel vapor control performance?
Features & Benefits - B1Professional, premium aftermarket replacement
Features & Benefits - B2Provides the performance and dependability you expect from ACDelco
Features & Benefits - B3Manufactured to meet expectations for fit, form, and function
Good Maintenance Practices - S1 HWith today's computerized engine systems, maintaining your vehicle's exhaust and emissions system is best left to a professional technician.
Hose Connector Quantity1
Marketing Statement - Product LineWhether you need exact GM Original Equipment specification parts or high-quality replacement parts, you can rely on ACDelco Emission components, Fuel Injectors, and Control Modules to deliver. With our GM Original Equipment line and a select offering of Professional, premium aftermarket products, we keep your GM car, truck, or SUV running in tip-top form. Our portfolio includes: fuel injectors, control modules, mass air flow sensors, oxygen sensors, exhaust gas recirculation valves, manifold absolute pressure sensors, throttle position sensors, idle air control valves, and secondary air injection reaction components.
Marketing Statement - Sub BrandWhen your vehicle needs to run in tip-top form - to pass a state emissions test or to simply be environmentally conscious - you need ACDelco in your corner. Our Professional, premium aftermarket lineup of oxygen sensors, mass airflow sensors, and control modules will help your vehicle run as efficiently and cleanly as possible.
Mkt_State_Warranty_CA24 Months/40,000 KM (Parts Only). Please see for more details.
Mkt_State_Warranty_US24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see for more details.
Mount TypePush-In
Nipple DirectionStraight Up
Product DescriptionAn ACDelco Professional, premium aftermarket Positive Crankcase Ventilation (PCV) Valve is an emission control component and is a high quality replacement for many vehicles on the road today. The PCV valve controls the volume of crankcase vapors that are drawn into the intake manifold; a restricted PCV valve can cause oil leaks or increase oil consumption. This premium aftermarket replacement PCV valve is manufactured to meet your expectations for fit, form, and function.
Programming RequiredNO
Signs of Wear & Troubleshooting - S1 B1Check Engine Light is on
Signs of Wear & Troubleshooting - S1 B2Poor fuel economy
Signs of Wear & Troubleshooting - S1 B3Excessive emissions
Signs of Wear & Troubleshooting - S1 B4Poor engine performance
Signs of Wear & Troubleshooting - S1 HDue to a contaminated sensor probe, broken sensor body, internal sensor failure, or external electrical failure, these problems may occur:

w/o Tube



  • 1998-2002 Pontiac Firebird
  • 2001-2002 GMC Sierra 2500 HD
  • 1998-2002 Chevrolet Camaro
  • 1999-2002 GMC Sierra 2500
  • 2002-2002 Cadillac Escalade
  • 2001-2002 Chevrolet Silverado 2500 HD
  • 2004-2004 Pontiac GTO
  • 2001-2002 GMC Sierra 1500 HD
  • 2002-2002 Cadillac Escalade EXT
  • 2000-2002 Chevrolet Suburban 2500
  • 2004-2004 Chevrolet Silverado 1500
  • 2000-2002 Chevrolet Suburban 1500
  • 2001-2002 Chevrolet Silverado 3500
  • 2000-2002 GMC Yukon XL 1500
  • 2002-2002 Chevrolet Avalanche 1500
  • 1999-2002 Chevrolet Silverado 1500
  • 2001-2002 GMC Sierra 3500
  • 2001-2002 Chevrolet Silverado 1500 HD
  • 1997-2004 Chevrolet Corvette
  • 2000-2002 Chevrolet Tahoe
  • 2000-2002 GMC Yukon
  • 1999-2004 Chevrolet Silverado 2500
  • 2000-2002 GMC Yukon XL 2500
  • 1999-2002 GMC Sierra 1500
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