Hella 358188221 Engine Variable Valve Timing (VVT) Solenoid

OE-Certified VVT Solenoid

HELLA Variable Valve Timing (VVT) Solenoid 358188221 is a standard replacement engine control component built to OE standards. It is engineered for stable idle control, smoother operation, and improved efficiency in supported Toyota applications.

Key Features

• OE Certified by HELLA for OE-style fit and function.
• Electromagnetic activation for precise valve timing control.
• 12-volt design with a 2-pin electrical connection.
• Includes a seal ring for the installation interface.
• Standard replacement construction for engine service work.

Detailed Description

This HELLA VVT solenoid helps regulate oil flow to the variable valve timing system, which affects idle quality and engine response. The 358188221 uses a rectangular/oval female connector, blade terminals, and a single mounting point, with a black connector housing and silver/black body. It is a direct service part for Toyota Tacoma, Toyota Tundra, Toyota 4Runner, and Toyota FJ Cruiser applications listed below.

This part cross-references Monroe Shocks & Struts (e.g., 15330-0P010, 15330-31010) for the same application.

What It Helps Address

• Rough or unstable idle caused by VVT control issues.
• Delayed or inconsistent valve timing response.
• Reduced engine efficiency from a malfunctioning solenoid.
• Check engine concerns related to VVT operation.
• Drivability problems tied to oil-control actuation.

Installation Notes and Tips

Fits 2005-2015 Toyota Tacoma, N/A; 2007-2011 Toyota Tundra, N/A; 2003-2009 Toyota 4Runner, N/A; and 2007-2009 Toyota FJ Cruiser, N/A. Notes for all listed applications specify a 2-pin connector and cylinder head/right/intake-side placement. The product data indicates qualified personnel are required for assembly/disassembly, so confirm connector style, seal condition, and mounting location before installation.

Quality Assurance

HELLA OE Certified parts are manufactured to OE standards for reliable, long-term operation.