Vaico V25-0981 Engine Variable Valve Timing (VVT) Solenoid

VAICO VVT Solenoid for Ford and Lincoln

The VAICO V25-0981 is an electric-hydraulic engine variable valve timing solenoid built for precise oil-flow control in VVT systems. With a rectangular 2-pin connector and compact 158 mm length, it is a direct-fit service part for select Ford, Lincoln, and Mercury applications.

Key Features

• Engine variable valve timing (VVT) solenoid for intake or exhaust cam timing control, depending on application
• Electric-hydraulic operating mode for controlled oil-actuated valve timing response
• Rectangular connector shape with 2 poles for OE-style electrical connection
• Dimensions: 158 mm length, 35 mm width, 32 mm height
• VAICO V25-0981 replacement part for service and repair work
• This part cross-references 2T1010 and TS1010 for the same application.

Detailed Description

VAICO V25-0981 is an engine VVT solenoid used to regulate camshaft timing through hydraulic oil pressure and electronic control. It is listed for a wide range of Ford truck and performance applications, including the Ford F-150, Ford F-250 Super Duty, Ford F-350 Super Duty, Ford Mustang, Ford Expedition, Ford Explorer, and Ford Explorer Sport Trac, as well as Lincoln Navigator, Lincoln Mark LT, and Mercury Mountaineer. The VAICO brand line is used for OE-style replacement components focused on accurate fit and function in engine management systems.

What It Helps Address

• Rough idle caused by inconsistent cam timing control
• Check engine light conditions related to VVT circuit or timing performance
• Loss of low-end torque or throttle response from delayed valve timing
• Engine hesitation during acceleration in Ford and Lincoln VVT-equipped vehicles
• Oil-control issues that affect cam phasing operation

Installation Notes and Tips

Verify connector shape, pole count, and overall dimensions before installation. This solenoid uses an electric-hydraulic operating design, so clean oil passages and correct engine oil condition are important for proper VVT operation. Confirm vehicle application by year and model before ordering. Fits 2004-2010 Ford F-150, 2005-2010 Ford Mustang, and 2005-2014 Ford Expedition among other listed applications.

Quality Assurance

VAICO replacement parts are built for service use in OE-style engine systems, with application-specific fitment for select Ford, Lincoln, and Mercury models. Part number V25-0981 is cataloged for direct replacement use in the listed VVT applications.