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Dorman 918-174 Engine Variable Valve Timing (VVT) Solenoid - Exhaust or Intake
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.
| Brand | Dorman |
| Part Number | 918-174 |
| Connector Gender | Male |
| Connector Quantity | 1 |
| Electrical Connector Terminal Type | Plug and Socket |
| Electrical Connector Type | Plug and Socket |
| Housing Material | Plastic |
| Item Grade | Standard Replacement |
| Package Contents | 1 Engine Variable Timing Solenoid |
| Plug/Connector Type | Plug and Socket |
| Solenoid Activation Type | Electromagnetic |
| Terminal Quantity | 2 |
| Voltage | 12 |
This part fits 55 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Mazda | CX-9 | Exhaust | |||
| 2019 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | CX-3 | 2.0L | L4 | Exhaust | At Cylinder Head |
| 2019 | Mazda | CX-5 | 2.2L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2019 | Mazda | CX-9 | 2.5L | L4 | Exhaust | |
| 2018 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2018 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2018 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2018 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2018 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2018 | Mazda | CX-3 | 2.0L | L4 | Exhaust | At Cylinder Head |
| 2018 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2018 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2018 | Mazda | CX-9 | 2.5L | L4 | Exhaust | |
| 2017 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2017 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2017 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2017 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2017 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2017 | Mazda | CX-3 | 2.0L | L4 | Intake | In Cylinder Head |
| 2017 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2017 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2017 | Mazda | CX-9 | 2.5L | L4 | Exhaust | |
| 2016 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2016 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2016 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2016 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head; Built in Japan |
| 2016 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2016 | Mazda | CX-3 | 2.0L | L4 | Intake | In Cylinder Head |
| 2016 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2016 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2016 | Mazda | CX-9 | 2.5L | L4 | Exhaust | |
| 2015 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2015 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | 3 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | 3 Sport | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | 6 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | CX-5 | 2.5L | L4 | Exhaust | In Cylinder Head |
| 2014 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2013 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2013 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2013 | Mazda | CX-5 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2012 | Mazda | 3 | 2.0L | L4 | Exhaust | In Cylinder Head |
| 2012 | Mazda | 3 Sport | 2.0L | L4 | Exhaust | In 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.