HomeEmission Control > Evaporative SystemDorman 911-421 Vapor Canister Vent Solenoid
Part #: 911-421

Dorman 911-421 Vapor Canister Vent Solenoid

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6 vehicles fit this part
Select your vehicle to confirm fitment
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In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, and Pontiac, Terraza, Uplander, and Montana
Easy Returns — Return within 60 days for a full refund
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Overview of Dorman Vapor Canister Vent Solenoid 911-421

The Dorman 911-421 vapor canister vent solenoid is designed specifically for select Buick, Chevrolet, and Pontiac models. This component plays a critical role in the emission control system by regulating vapor flow and maintaining proper fuel system pressure.

  • Terminal Type: Blade terminals for secure electrical connection
  • Connector Quantity: 0, with elliptical female connector shape
  • Terminal Quantity: 2 male terminals with 2-blade configuration
  • Port Quantity: 2 ports with outside diameters of 0.634 and 0.65 inches
  • Housing Material: Durable plastic construction in black and gray finish
  • Specific fit for Buick Montana, Chevrolet Uplander, and Pontiac Terraza
  • Package includes one vapor canister vent solenoid

Detailed Product Description

The Dorman 911-421 vapor canister vent solenoid is engineered to meet the exact specifications required by Buick Montana, Chevrolet Uplander, and Pontiac Terraza vehicles. Featuring a plastic housing with a black and gray finish, this solenoid includes two ports with precise outside diameters to ensure proper vapor flow control. The elliptical female connector and two male blade terminals provide reliable electrical connections without the need for additional wiring harnesses. This specific fit part is designed to replace the original solenoid, maintaining the integrity of the vehicle’s evaporative emission system.

Common Applications and Issues Addressed

  • Prevents fuel vapor leaks by controlling venting of the vapor canister
  • Helps reduce evaporative emissions to comply with environmental regulations
  • Resolves check engine light codes related to EVAP system faults
  • Improves fuel system pressure regulation for better engine performance
  • Eliminates issues caused by faulty or stuck vent solenoids in Buick Montana, Chevrolet Uplander, and Pontiac Terraza

Installation Notes and Tips

This vapor canister vent solenoid is a direct replacement part requiring no modifications. It does not include a wiring harness, so reuse the existing connectors on the vehicle. Ensure the elliptical female connector and blade terminals are properly seated to avoid electrical issues. No special installation tools are required, and no additional installation notes are provided by the manufacturer.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 911-421 vapor canister vent solenoid undergoes rigorous quality control to ensure durability and reliable operation in emission control systems. Warranty coverage details should be confirmed at the point of purchase, as they may vary by distributor.

BrandDorman
Part Number911-421
Color/FinishBlack; Gray
Connector GenderFemale
Connector Quantity0
Connector ShapeElliptical
Connector/Terminal Configuration2 Blade
Housing MaterialPlastic
Installation NoteNo
Package Contents1 Vapor Canister Vent Solenoid
Port Outside Diameter0.634
Port Outside Diameter0.65
Port Quantity2
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Universal Or Specific FitSpecific
Wiring Harness IncludedNo

This part fits 6 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2006BuickTerrazaFWDN/AVapor Canister Vent Solenoid
2006ChevroletUplanderFWDN/AVapor Canister Vent Solenoid
2006PontiacMontanaFWDN/AVapor Canister Vent Solenoid
2005BuickTerrazaFWDN/AVapor Canister Vent Solenoid
2005ChevroletUplanderFWDN/AVapor Canister Vent Solenoid
2005PontiacMontanaFWDN/AVapor Canister Vent Solenoid

* 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:

10382401CPV18CVS8

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