HomeEngine > Valve Train ComponentsGates VVS166 Engine Variable Valve Timing (VVT) Solenoid
Part #: VVS166

Gates VVS166 Engine Variable Valve Timing (VVT) Solenoid

Engine Variable Valve Timing Solenoid
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Engine Variable Valve Timing Solenoid
🚗Fitment: Subaru, Baja, Impreza, Legacy, Outback, and Forester
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Reliable Variable Valve Timing Solenoid for Subaru Vehicles

The Gates Engine Variable Valve Timing Solenoid VVS166 is designed to optimize engine performance and efficiency in select Subaru models. Engineered with precision, this 12-volt electromagnetic solenoid ensures accurate control of valve timing for improved fuel economy and reduced emissions.

  • Voltage: 12V for standard automotive electrical systems
  • Electromagnetic activation type for precise valve timing control
  • Durable steel housing with included gasket and seal for leak prevention
  • Blade terminal type with female connector and two male terminals
  • Dimensions: 4.843 inches length, 1.126 inches width and height, 0.709 inch shaft diameter
  • Includes one connector, no mounting hardware included

About the Engine Variable Valve Timing Solenoid Product Line

The Gates Engine Variable Valve Timing Solenoid line focuses on delivering reliable and consistent VVT solenoids that meet OEM specifications. This product line is engineered to provide precise electromagnetic activation, ensuring optimal valve timing adjustments in modern engines. The VVS166 model is part of this line, designed specifically for compatibility with various Subaru models to maintain engine efficiency and performance.

Detailed Product Description

The VVS166 solenoid features a robust steel housing measuring 4.843 inches in length and 1.126 inches in both width and height, providing a compact yet durable design. Its electromagnetic activation style allows for responsive and accurate control of the variable valve timing system. The solenoid includes a seal and gasket to prevent oil leaks and ensure long-term reliability. The blade terminal type with a female connector and two male terminals supports secure electrical connections. This solenoid is compatible with Subaru Baja, Forester, Impreza, Legacy, and Outback models, making it a suitable replacement part for maintaining engine timing precision.

Common Issues Addressed by the VVS166 Solenoid

  • Irregular engine idling or stalling due to faulty valve timing
  • Reduced fuel efficiency caused by improper valve operation
  • Check engine light triggered by VVT system malfunctions
  • Engine performance loss or hesitation during acceleration
  • Increased emissions from inefficient combustion timing

Installation Notes and Tips

  • Ensure the engine is cool before beginning installation to avoid burns
  • Disconnect the battery to prevent electrical shorts during replacement
  • Verify the connector type matches the vehicle’s wiring harness (female connector with blade terminals)
  • Use new gaskets or seals included with the solenoid to prevent leaks
  • Mounting hardware is not included; reuse existing bolts or source appropriate replacements

Quality Assurance and Warranty

The Gates Engine Variable Valve Timing Solenoid VVS166 is manufactured to meet strict quality standards, ensuring reliable operation within Subaru engine systems. The solenoid includes a factory-installed seal and gasket for durability. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in materials and workmanship. Consult product documentation or authorized distributors for exact warranty terms.

BrandGates
Part NumberVVS166
PositionEngine Variable Valve Timing Solenoid
Steel
Activation StyleElectromagnetic
Activation TypeElectromagnetic
Connector GenderFemale
Connector Quantity1
ContentsSolenoid
Gasket/Seal IncludedYes
Housing Length4.843
Housing Length123
Housing Width1.126
Housing Width28.6
Mounting Bolt IncludedNo
Mounting Hardware IncludedNo
Overall Height1.126
Overall Height28.6
Overall Height (in)1.126
Overall Height (mm)28.6
Overall Length (in)4.843
Overall Length (mm)123
Overall Width (in)1.126
Overall Width (mm)28.6
Seal IncludedYes
Shaft Diameter.709
Shaft Diameter18
Shaft Diameter (in).709
Shaft Diameter (mm)18
Terminal GenderMale
Terminal Quantity2
Terminal TypeBlade
Voltage12
Voltage (VAC)12

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersFuel TypePositionNotes
2006SubaruBaja2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2006SubaruImpreza2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2006SubaruLegacy2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2006SubaruOutback2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2005SubaruBaja2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2005SubaruForester2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2005SubaruImpreza2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2005SubaruLegacy2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2005SubaruOutback2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2004SubaruBaja2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2004SubaruForester2.5LH4GASN/AEngine Variable Valve Timing Solenoid
2004SubaruImpreza2.5LH4GASN/AEngine Variable Valve Timing 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:

10921AA0202T10517V-9019917-279TS1051VTS1042VV1075VVS166VVT175

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