5R55S Oversized Solenoid Regulator Valve 2002-2010 Transmission Ford 5R55S Transmission Sonnax

Sonnax Oversized Solenoid Regulator Valve - Ford 5R55S Transmission

Overview

Sonnax Oversized Solenoid Regulator Valve for the Ford 5R55S transmission. The 5R55S valve body is a known trouble area with bore wear causing shift complaints.

This shift improvement kit recalibrates the valve body to deliver firmer, more consistent shifts while reducing slippage and heat buildup that causes premature clutch pack failure.

Includes detailed installation instructions with color-coded diagrams. No special tools required beyond standard valve body rebuild equipment. Proven to extend transmission life by reducing clutch apply times.

Brand: Sonnax

Fitment & Compatibility

2002-2010 Ford Explorer, 2002-2005 Mercury Mountaineer, 2002-2005 Lincoln LS

All parts ship from our warehouse with quality inspection. Same-day shipping on most orders. Professional installation recommended.

Technical Documentation

View Installation Sheet (PDF) — manufacturer instructions and specifications.