HomeStandard Ignition VVT378 Engine Variable Valve Timing (VVT) Adjuster Magnet
Part #: VVT378

Standard Ignition VVT378 Engine Variable Valve Timing (VVT) Adjuster Magnet

26 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, STS, SRX, and XLR
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Overview of Standard Ignition VVT Adjuster Magnet VVT378

The Standard Ignition Engine Variable Valve Timing (VVT) Adjuster Magnet VVT378 is designed for precise electromagnetic activation in Cadillac vehicles. This component is engineered to optimize valve timing for improved engine performance in Cadillac SRX, STS, and XLR models.

  • Electromagnetic activation style for reliable VVT control
  • Female plug-in connector with one connector quantity
  • Metal and plastic housing for durability
  • Two male blade terminals for secure electrical connection
  • Operates on 12-volt electrical systems
  • No gaskets or mounting hardware included

Detailed Product Description

The Standard Ignition VVT Adjuster Magnet VVT378 is a critical component in the valve train system, responsible for adjusting the variable valve timing in compatible Cadillac models. Its electromagnetic activation style ensures precise control of the camshaft position, which helps optimize engine efficiency and performance. The part features a female plug-in connector with a single connection point, simplifying installation and ensuring a secure fit. The housing combines metal and plastic materials to provide strength and resistance to engine bay conditions. Two male blade terminals facilitate a reliable electrical connection, supporting the 12-volt system standard in Cadillac SRX, STS, and XLR vehicles.

Compatible Cadillac Models and Applications

This VVT adjuster magnet is specifically compatible with the following Cadillac models:

  • Cadillac SRX
  • Cadillac STS
  • Cadillac XLR

Using the Standard Ignition part number VVT378 ensures proper fitment and function within these vehicles' variable valve timing systems.

Common Issues Addressed by VVT Adjuster Magnet VVT378

  • Irregular or poor engine performance due to faulty valve timing
  • Check engine light triggered by VVT system errors
  • Reduced fuel efficiency linked to improper camshaft positioning
  • Engine hesitation or rough idling caused by VVT malfunction
  • Increased emissions from suboptimal valve timing control

Installation Notes and Tips

  • Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
  • Verify connector type and terminal orientation for proper connection
  • Inspect the mounting area for cleanliness and damage prior to installation
  • Use appropriate tools to avoid damaging the metal and plastic housing
  • Consult the vehicle’s service manual for torque specifications and installation procedures

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, providing reliable performance for Cadillac variable valve timing systems. While this product does not include mounting hardware or gaskets, it is built with durable materials to withstand engine conditions. Warranty coverage details should be confirmed with the product documentation or supplier.

BrandStandard Ignition
Part NumberVVT378
Activation StyleElectromagnetic
Connector GenderFemale
Connector TypePlug In
Gaskets IncludedNo
Housing MaterialMetal, Plastic
Mounting Hardware IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 26 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010CadillacSTS4.6LV8N/A
2009CadillacSRX4.6LV8N/A
2009CadillacSTS4.6LV8N/A
2009CadillacSTS4.4LV8N/A
2009CadillacXLR4.6LV8N/A
2009CadillacXLR4.4LV8N/A
2008CadillacSRX4.6LV8N/A
2008CadillacSTS4.6LV8N/A
2008CadillacSTS4.4LV8N/A
2008CadillacXLR4.6LV8N/A
2008CadillacXLR4.4LV8N/A
2007CadillacSRX4.6LV8N/A
2007CadillacSTS4.6LV8N/A
2007CadillacSTS4.4LV8N/A
2007CadillacXLR4.6LV8N/A
2007CadillacXLR4.4LV8N/A
2006CadillacSRX4.6LV8N/A
2006CadillacSTS4.6LV8N/A
2006CadillacSTS4.4LV8N/A
2006CadillacXLR4.6LV8N/A
2006CadillacXLR4.4LV8N/A
2005CadillacSRX4.6LV8N/A
2005CadillacSTS4.6LV8N/A
2005CadillacXLR4.6LV8N/A
2004CadillacSRX4.6LV8N/A
2004CadillacXLR4.6LV8N/A

* 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:

1256708535-126959998921916-892V401619VV1278VVA1089VVS1934VVTA90

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