HomeEmission Control > Vacuum SystemDorman 911-797 Vacuum Switching Valve
Part #: 911-797

Dorman 911-797 Vacuum Switching Valve

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24 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hyundai and Kia, Santa Fe Sport, Sonata, and Optima
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Overview of Dorman 911-797 Vacuum Switching Valve

The Dorman 911-797 Vacuum Switching Valve is a precision-engineered component designed for emission control systems in select Hyundai and Kia vehicles. This valve plays a critical role in managing vacuum flow to optimize engine performance and reduce emissions.

  • Constructed from durable plastic material for reliable operation
  • Measures 64 mm in length with three ports, each having a 4.5 mm outside diameter
  • Features two electrical terminals for secure connection
  • Inlet inside diameter of 3.5 mm ensures proper vacuum flow
  • Non-threaded design for straightforward installation
  • Compatible with Hyundai Optima, Santa Fe Sport, and Kia Sonata models

Detailed Product Description

The Dorman 911-797 vacuum switching valve is a vital part of the emission control vacuum system, responsible for regulating vacuum flow to various engine components. Made from high-quality plastic, this valve measures 64 mm in length and includes three ports, each with an outside diameter of 4.5 mm, allowing for efficient vacuum routing. The inlet inside diameter of 3.5 mm supports consistent vacuum pressure, while the two electrical terminals provide reliable connectivity for proper valve operation. This valve is designed without mounting holes and is non-threaded, simplifying the installation process.

Compatible Vehicles and Applications

This vacuum switching valve is specifically compatible with Hyundai and Kia vehicles, including the Hyundai Optima, Hyundai Santa Fe Sport, and Kia Sonata. The part number 911-797 ensures you receive the correct component for your emission control system needs.

Common Issues Addressed by the Vacuum Switching Valve

  • Irregular engine vacuum flow affecting performance
  • Emission control system malfunctions leading to increased emissions
  • Check engine light triggered by faulty vacuum switching valve
  • Reduced fuel efficiency due to improper vacuum regulation
  • Engine stalling or rough idling caused by vacuum leaks

Installation Notes and Tips

When installing the Dorman 911-797 vacuum switching valve, ensure the electrical terminals are securely connected to avoid intermittent operation. Since the valve is non-threaded and lacks mounting holes, it should be positioned carefully within the vacuum system to prevent movement or disconnection. Verify that all vacuum hoses fit the 4.5 mm port diameters snugly to maintain system integrity.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing dependable performance for your Hyundai Optima, Santa Fe Sport, or Kia Sonata. The 911-797 vacuum switching valve undergoes rigorous quality control to ensure durability and functionality. Please refer to Dorman's warranty policy for specific coverage details.

BrandDorman
Part Number911-797
Inlet Inside Diameter3.5
Length64
MaterialPlastic
Mounting Hole Quantity0
Package Contents1 Valve
Port 1 Outside Diameter4.5
Port 2 Outside Diameter4.5
Port 3 Outside Diameter4.5
Port Quantity3
Terminal Quantity2
ThreadedNo

This part fits 24 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2017HyundaiSanta Fe Sport2.0LL4N/AVapor Canister Vent Solenoid
2017HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2017KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2016HyundaiSanta Fe Sport2.0LL4N/AVapor Canister Vent Solenoid
2016HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2016KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2015HyundaiSanta Fe Sport2.0LL4N/AVapor Canister Vent Solenoid
2015HyundaiSonata2.4LL4N/AVapor Canister Vent Solenoid
2015HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2015KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2014HyundaiSanta Fe Sport2.0LL4N/AVapor Canister Vent Solenoid
2014HyundaiSonata2.4LL4N/AVapor Canister Vent Solenoid
2014HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2014KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2013HyundaiSanta Fe Sport2.0LL4N/AVapor Canister Vent Solenoid
2013HyundaiSonata2.4LL4N/AVapor Canister Vent Solenoid
2013HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2013KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2012HyundaiSonata2.4LL4N/AVapor Canister Vent Solenoid
2012HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2012KiaOptima2.0LL4N/AVapor Canister Vent Solenoid
2011HyundaiSonata2.4LL4N/AVapor Canister Vent Solenoid
2011HyundaiSonata2.0LL4N/AVapor Canister Vent Solenoid
2011KiaOptima2.0LL4N/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:

394002C300CP969

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