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1991 GMC R1500 Suburban

1991 GMC R1500 Suburban Air Inject Check Valves

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Standard OE Replacement Air Inject Check Valve - Direct Fit, Sold individually
Part Number: SIAV7
Guaranteed to Fit
$22.99
Vehicle Fitment
  • 1991 GMC R1500 Suburban All Submodels All Engines
Product Details
Warranty : 3-year or 36,000-mile Standard limited warrantyQuantity Sold : Sold individuallyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Standard OE ReplacementProduct Fit : Direct Fit
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Product Questions & Answers

Q:Vacuum line diagram and parts names?
Johnny T.
A:BEST ANSWERHi Johnny, I'm glad to assist you. This is an air injector check valve for older 6 or 8-cylinder engines of AMC motors. We do not carry diagrams and the rest of the other connected parts for this 2ndary air injection check valve. Please refer to a vehicle-specific service repair manual or a DIY online video-sharing website with car parts install tutorials. I hope this helps. Happy shopping. https://www.carparts.com/air-inject-check-valve/standard/siav7?can=CPJE1043_20220417 Show less
Jeonino E.
 
1 Question, 1 AnswerView all Q&As >

Helpful Automotive Resources

Symptoms of a Bad Air Injection Check Valve
Symptoms of a Bad Air Injection Check ValveCommon symptoms of a bad AIR check valve include: Illuminated Check Engine Light
Emission Control Systems
Emission Control SystemsThe purpose of the exhaust gas recirculation valve (EGR) valve is to meter a small amount of exhaust gas into the intake system, this dilutes the air/fuel mixture so as to lower the combustion chamber temperature. Excessive combustion chamber temperature creates oxides of nitrogen, which is a major pollutant. While