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1990 Ford F-350

1990 Ford F-350 Air Inject Check Valves

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Air Inject Check Valve Standard OE Replacement
Part Number: SIAV30
Guaranteed to Fit
$69.49
Vehicle Fitment
  • 1990 Ford F-350 XL 8 Cyl 5.8L Hose Nipple Both Ends
  • 1990 Ford F-350 XLT Lariat 8 Cyl 7.3L Non-Threaded
  • 1990 Ford F-350 XL 8 Cyl 7.5L Hose Nipple Both Ends
  • 1990 Ford F-350 XLT Lariat 8 Cyl 5.8L Hose Nipple Both Ends
  • 1990 Ford F-350 Custom 8 Cyl 5.8L Hose Nipple Both Ends
  • 1990 Ford F-350 Custom 8 Cyl 7.3L Non-Threaded
  • 1990 Ford F-350 XL 8 Cyl 7.3L Non-Threaded
  • 1990 Ford F-350 XLT Lariat 8 Cyl 7.5L Hose Nipple Both Ends
  • 1990 Ford F-350 Custom 8 Cyl 7.5L Hose Nipple Both Ends
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
Air Inject Check Valve, 8 Cyl 7.3L, Without Tube, With External Thread -
Part Number: SIAV1
Guaranteed to Fit
$17.99
Vehicle Fitment
  • 1990 Ford F-350 Custom 8 Cyl 7.3L Without Tube, With External Thread
  • 1990 Ford F-350 Custom 8 Cyl 7.5L With External Thread
  • 1990 Ford F-350 XL 8 Cyl 5.8L With External Thread
  • 1990 Ford F-350 XLT Lariat 8 Cyl 7.3L Without Tube, With External Thread
  • 1990 Ford F-350 XL 8 Cyl 7.3L Without Tube, With External Thread
  • 1990 Ford F-350 XLT Lariat 8 Cyl 7.5L With External Thread
  • 1990 Ford F-350 XL 8 Cyl 7.5L With External Thread
  • 1990 Ford F-350 XLT Lariat 8 Cyl 5.8L With External Thread
  • 1990 Ford F-350 Custom 8 Cyl 5.8L With External Thread
Product Details
Notes : 1.24 in. hose sizeWarranty : 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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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