HomeEngine > Valve Train ComponentsDorman 918-174 Engine Variable Valve Timing (VVT) Solenoid - Exhaust or Intake
Part #: 918-174

Dorman 918-174 Engine Variable Valve Timing (VVT) Solenoid - Exhaust or Intake

Exhaust
⚙️ 55 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$208.35Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ 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: Mazda, CX-9, 3, 3 Sport, 6, CX-3, and CX-5
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Engine Variable Valve Timing Solenoid for Mazda Vehicles

The Dorman 918-174 Engine Variable Valve Timing (VVT) Solenoid is designed to maintain optimal engine performance in select Mazda models. Engineered with a 12-volt electromagnetic activation system, this solenoid ensures precise control of valve timing for improved efficiency and responsiveness.

  • Voltage: 12V for standard automotive electrical systems
  • Single male connector with plug and socket type for secure electrical connection
  • Durable plastic housing designed for engine compartment conditions
  • Two terminal electrical connector for reliable signal transmission
  • Standard replacement grade for dependable performance
  • Includes one engine variable timing solenoid per package

Product Details and Specifications

The Dorman 918-174 VVT solenoid features a plastic housing that withstands heat and vibration typical in engine environments. Its electromagnetic activation type allows for precise modulation of the variable valve timing system, which is critical for maintaining engine efficiency and emissions control. The solenoid’s plug and socket electrical connector with two terminals ensures a secure and stable connection to the vehicle’s wiring harness. This part is a standard replacement designed to meet OEM specifications for Mazda 3, Mazda 3 Sport, Mazda 6, CX-3, CX-5, and CX-9 models.

Compatible Mazda Models and Applications

This engine variable valve timing solenoid is compatible with the following Mazda vehicles:

  • Mazda 3 and Mazda 3 Sport
  • Mazda 6
  • Mazda CX-3
  • Mazda CX-5
  • Mazda CX-9

Using the correct VVT solenoid like the Dorman 918-174 helps maintain proper valve timing adjustments, which can improve fuel economy and engine responsiveness.

Common Issues Addressed by the VVT Solenoid

  • Engine performance problems related to variable valve timing
  • Check engine light triggered by VVT system faults
  • Rough idling or stalling due to improper valve timing
  • Reduced fuel efficiency caused by timing inconsistencies
  • Engine hesitation or loss of power during acceleration

Installation Notes and Tips

When installing the Dorman 918-174 VVT solenoid, ensure the engine is cool and the battery is disconnected to prevent electrical hazards. Verify the connector type matches the vehicle’s wiring harness and inspect the mounting area for cleanliness and damage. Proper torque specifications should be followed to avoid damage to the solenoid or engine components. It is recommended to clear any diagnostic trouble codes after installation to reset the engine control module.

Quality Assurance and Warranty Information

Dorman provides this engine variable valve timing solenoid as a standard replacement part manufactured to meet or exceed OEM standards. The 918-174 part number undergoes quality control testing to ensure reliable operation under normal driving conditions. Warranty coverage details are available through Dorman and typically include protection against defects in materials and workmanship for a specified period.

BrandDorman
Part Number918-174
Connector GenderMale
Connector Quantity1
Electrical Connector Terminal TypePlug and Socket
Electrical Connector TypePlug and Socket
Housing MaterialPlastic
Item GradeStandard Replacement
Package Contents1 Engine Variable Timing Solenoid
Plug/Connector TypePlug and Socket
Solenoid Activation TypeElectromagnetic
Terminal Quantity2
Voltage12

This part fits 55 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020MazdaCX-9Exhaust
2019Mazda32.5LL4ExhaustIn Cylinder Head
2019Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2019Mazda62.5LL4ExhaustIn Cylinder Head
2019MazdaCX-32.0LL4ExhaustAt Cylinder Head
2019MazdaCX-52.2LL4ExhaustIn Cylinder Head
2019MazdaCX-52.5LL4ExhaustIn Cylinder Head
2019MazdaCX-52.0LL4ExhaustIn Cylinder Head
2019MazdaCX-92.5LL4Exhaust
2018Mazda32.5LL4ExhaustIn Cylinder Head
2018Mazda32.0LL4ExhaustIn Cylinder Head; Built in Japan
2018Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2018Mazda3 Sport2.0LL4ExhaustIn Cylinder Head; Built in Japan
2018Mazda62.5LL4ExhaustIn Cylinder Head
2018MazdaCX-32.0LL4ExhaustAt Cylinder Head
2018MazdaCX-52.5LL4ExhaustIn Cylinder Head
2018MazdaCX-52.0LL4ExhaustIn Cylinder Head
2018MazdaCX-92.5LL4Exhaust
2017Mazda32.5LL4ExhaustIn Cylinder Head
2017Mazda32.0LL4ExhaustIn Cylinder Head; Built in Japan
2017Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2017Mazda3 Sport2.0LL4ExhaustIn Cylinder Head; Built in Japan
2017Mazda62.5LL4ExhaustIn Cylinder Head
2017MazdaCX-32.0LL4IntakeIn Cylinder Head
2017MazdaCX-52.5LL4ExhaustIn Cylinder Head
2017MazdaCX-52.0LL4ExhaustIn Cylinder Head
2017MazdaCX-92.5LL4Exhaust
2016Mazda32.5LL4ExhaustIn Cylinder Head
2016Mazda32.0LL4ExhaustIn Cylinder Head; Built in Japan
2016Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2016Mazda3 Sport2.0LL4ExhaustIn Cylinder Head; Built in Japan
2016Mazda62.5LL4ExhaustIn Cylinder Head
2016MazdaCX-32.0LL4IntakeIn Cylinder Head
2016MazdaCX-52.5LL4ExhaustIn Cylinder Head
2016MazdaCX-52.0LL4ExhaustIn Cylinder Head
2016MazdaCX-92.5LL4Exhaust
2015Mazda32.5LL4ExhaustIn Cylinder Head
2015Mazda32.0LL4ExhaustIn Cylinder Head
2015Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2015Mazda3 Sport2.0LL4ExhaustIn Cylinder Head
2015Mazda62.5LL4ExhaustIn Cylinder Head
2015MazdaCX-52.5LL4ExhaustIn Cylinder Head
2015MazdaCX-52.0LL4ExhaustIn Cylinder Head
2014Mazda32.5LL4ExhaustIn Cylinder Head
2014Mazda32.0LL4ExhaustIn Cylinder Head
2014Mazda3 Sport2.5LL4ExhaustIn Cylinder Head
2014Mazda3 Sport2.0LL4ExhaustIn Cylinder Head
2014Mazda62.5LL4ExhaustIn Cylinder Head
2014MazdaCX-52.5LL4ExhaustIn Cylinder Head
2014MazdaCX-52.0LL4ExhaustIn Cylinder Head
2013Mazda32.0LL4ExhaustIn Cylinder Head
2013Mazda3 Sport2.0LL4ExhaustIn Cylinder Head
2013MazdaCX-52.0LL4ExhaustIn Cylinder Head
2012Mazda32.0LL4ExhaustIn Cylinder Head
2012Mazda3 Sport2.0LL4ExhaustIn Cylinder Head

* 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:

2T11667V-2027PE0114420TS1166VTS1152VV1124VVS1780VVT224

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