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1985 Chevrolet C20
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Lifetime Replacement
1985 Chevrolet C20

1985 Chevrolet C20 EGR Valves

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EGR Valve, 8 Cyl., 5.0L Engine, Eng. VIN: H, with High Altitude Emissions, OE No. 17085769
Standard®
EGR Valve, 8 Cyl., 5.0L Engine, Eng. VIN: H, with High Altitude Emissions, OE No. 17085769
Part Number: SIEGV677
Guaranteed to Fit
$61.49
Vehicle Fitment
  • 1985 Chevrolet C20 Silverado 8 Cyl 5.0L Eng. VIN: H, With High Altitude Emissions, OE No. 17085769
  • 1985 Chevrolet C20 Scottsdale 8 Cyl 5.0L Eng. VIN: H, With High Altitude Emissions, OE No. 17085769
  • 1985 Chevrolet C20 Custom 8 Cyl 5.0L Eng. VIN: H, With High Altitude Emissions, OE No. 17085769
Product Details
Quantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard limited warrantyProp 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.

Condition : NewSeries : Standard OE Replacement
EGR Valve, 8 Cyl., 7.4L Engine, with Calif. Emissions
Standard®
EGR Valve, 8 Cyl., 7.4L Engine, with Calif. Emissions
Part Number: SIEGV331
Guaranteed to Fit
$79.49
Vehicle Fitment
  • 1985 Chevrolet C20 Scottsdale 8 Cyl 7.4L With Calif. Emissions
  • 1985 Chevrolet C20 Silverado 8 Cyl 7.4L With Calif. Emissions
  • 1985 Chevrolet C20 Custom 8 Cyl 7.4L With Calif. Emissions
Product Details
Quantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard limited warrantyProp 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.

Condition : NewSeries : Standard OE Replacement
EGR Valve, 8 Cyl., 5.7L Engine, Eng. VIN: M, with Federal Emissions
Standard®
EGR Valve, 8 Cyl., 5.7L Engine, Eng. VIN: M, with Federal Emissions
Part Number: SIEGV661
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 1985 Chevrolet C20 Scottsdale 8 Cyl 5.7L Eng. VIN: M, With Federal Emissions
  • 1985 Chevrolet C20 Silverado 8 Cyl 5.7L Eng. VIN: M, With Federal Emissions
  • 1985 Chevrolet C20 Custom 8 Cyl 5.7L Eng. VIN: M, With Federal Emissions
Product Details
Quantity Sold : Sold individuallyWarranty : 3-year or 36,000-mile Standard limited warrantyProp 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.

Condition : NewSeries : Standard OE Replacement
EGR Valve, 8 Cyl., 7.4L Engine, with Federal Emissions
AC Delco®
EGR Valve, 8 Cyl., 7.4L Engine, with Federal Emissions
Part Number: AC212631
Guaranteed to Fit
$26.49
Vehicle Fitment
  • 1985 Chevrolet C20 Custom 8 Cyl 7.4L With Federal Emissions
  • 1985 Chevrolet C20 Scottsdale 8 Cyl 7.4L With Federal Emissions
  • 1985 Chevrolet C20 Silverado 8 Cyl 7.4L With Federal Emissions
Product Details
Notes : Blue; 2 portsReplaces OE Number : 3033753Quantity Sold : Sold individuallyWarranty : 24-months or unlimited mile AC Delco limited warrantyProp 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.

Condition : NewSeries : Professional Series
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Helpful Automotive Resources

Code P0405: Exhaust Gas Recirculation Sensor A Circuit Low
Code P0405: Exhaust Gas Recirculation Sensor A Circuit LowFor more information, you may read our technical discussion about the EGR system. If you’re planning a DIY fix, you may also want to read about the EGR sensor and Delta Pressure Feedback EGR (DPFE).
P0406 Code: Exhaust Gas Recirculation Sensor A Circuit High
P0406 Code: Exhaust Gas Recirculation Sensor A Circuit HighAs its name implies, the EGR position sensor detects the position of the EGR valve. The PCM uses the sensor signal to monitor and adjust EGR valve operation. P0406 code is triggered when the signal being sent back by the EGR position sensor to the PCM is higher than the specified
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient Detected
P0401 Code: Exhaust Gas Recirculation (EGR) Flow Insufficient DetectedIf by looking at the feedback loop (whatever it may be on the system in question), if the ECM/PCM determines there is insufficient EGR flow, it will set the OBD-II code P0401. Usually on an OBD2 system that sets the P0401, the ECM/PCM must see the failure on two consecutive
Why is My Check Engine Light On?
Why is My Check Engine Light On?You might think that the check engine light (CEL) means that there’s a problem with your engine. And it can mean that, but it can also indicate a myriad of other issues.
P0400 Code: Exhaust Gas Recirculation (EGR) Flow Malfunction
P0400 Code: Exhaust Gas Recirculation (EGR) Flow MalfunctionIn modern vehicles, the EGR valve is controlled by the PCM. Meanwhile, on older vehicles, the valve is usually controlled directly by the engine vacuum.
P0402: Exhaust Gas Recirculation “A” Flow Excessive Detected
P0402: Exhaust Gas Recirculation “A” Flow Excessive DetectedIt is one of the generic diagnostic trouble codes in a number of makes and models that are related to the vehicle’s EGR. Code P0402 indicates that your car computer has detected excessive EGR.