HomeEmission Control > Evaporative SystemDorman 911-648 Vapor Canister Vent Valve
Part #: 911-648

Dorman 911-648 Vapor Canister Vent Valve

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10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Chevrolet and GMC, S10 and Sonoma
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Dorman Vapor Canister Vent Valve for S10 and Sonoma

The Dorman 911-648 vapor canister vent valve is a direct-fit evaporative emissions component for select 2002-2003 Chevrolet S10 and GMC Sonoma models. It is built with a plastic body and black finish to restore proper venting in the EVAP system when the original valve is no longer operating correctly.

Key Features

  • Specific-fit vapor canister vent valve for select Chevrolet and GMC trucks
  • Plastic construction for everyday underhood durability
  • Single inlet and single outlet configuration
  • Male end with 15.8 mm outside diameter
  • Black finish for OE-style appearance
  • Direct replacement for part number 911-648

Detailed Description

This Dorman vapor canister vent valve is engineered to help maintain proper operation of the vehicle’s evaporative emissions system. On 2002-2003 Chevrolet S10 and 2002-2003 GMC Sonoma applications, a worn or malfunctioning vent valve can trigger an engine light and disrupt EVAP system performance. The 911-648 is a specific-fit replacement designed around the original application for straightforward service and reliable sealing and vent control.

This part cross-references Standard Ignition CVS42 for the same application. It is also referenced under OE number 15083253. Use Dorman 911-648 when servicing a 2002-2003 Chevrolet S10 vapor canister vent valve or a 2002-2003 GMC Sonoma EVAP vent valve replacement.

What It Helps Address

  • Check engine light related to EVAP vent valve faults
  • Improper vapor canister venting
  • Evaporative emissions system performance issues
  • Failed or sticking vent valve operation
  • Replacement needs on 2002-2003 Chevrolet S10 and GMC Sonoma models

Installation Notes and Tips

Verify the vehicle’s year, make, and model before installation. This valve is a specific-fit component with one inlet and one outlet, so confirm connector and hose dimensions match the original part. Inspect surrounding EVAP hoses and connections for cracks, blockage, or damage before installing the replacement valve.

Quality Assurance

Dorman manufactures this replacement valve using quality materials selected for durability and proper EVAP system operation. The part is built to serve as a direct replacement for the original vapor canister vent valve on the listed Chevrolet S10 and GMC Sonoma applications.

BrandDorman
Part Number911-648
ColorBlack
End 1 GenderMale
End 1 Outside Diameter15.8
Inlet Quantity1
Length118.3
MaterialPlastic
Mounting Hardware IncludedNo
Outlet Quantity1
Package Contents1 Vapor Canister Vent Valve
Universal Or Specific FitSpecific

This part fits 10 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersWheel BasePositionNotes
2003ChevroletS10Standard Cab Pickup4.3LV6108.3"N/A
2003ChevroletS10Standard Cab Pickup4.3LV6122.9"N/A
2003ChevroletS10Extended Cab Pickup4.3LV6108.3"N/A
2003ChevroletS10Extended Cab Pickup4.3LV6122.9"N/A
2003GMCSonomaStandard Cab Pickup4.3LV6108.3"N/A
2003GMCSonomaStandard Cab Pickup4.3LV6122.9"N/A
2003GMCSonomaExtended Cab Pickup4.3LV6108.3"N/A
2003GMCSonomaExtended Cab Pickup4.3LV6122.9"N/A
2002ChevroletS104.3LV6N/A
2002GMCSonoma4.3LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15083253CVS42

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.