E4OD/4R100 Cooler By-Pass Valve Assembly fits Ford 99-On

Stellar Automotive Group E4OD/4R100 Cooler By-Pass Valve Assembly – Compatible for Ford Super Duty 1999-UpProtect your E4OD or 4R100 transmission from cold-weather problems and pressure loss with this complete cooler by-pass valve assembly from Stellar Automotive Group.In cold climates, the factory by-pass valve often sticks or fails, causing overcooling, thick fluid, delayed/harsh shifts, or low line pressure. This direct-replacement assembly restores proper thermal regulation, ensures consistent fluid flow to the cooler, and prevents common cold-start issues while maintaining optimal operating temperature.Perfect fit for 1999-2004 models including:Ford F-250, F-350, F-450, F-550 Super DutyFord ExcursionFord E-Series vans7.3L Power Stroke & other 4R100 applicationsCommon symptoms this valve assembly resolves:Harsh or delayed shifts when coldThick/slow fluid movement at startupLow line pressure in winter conditionsCooler line freezing or pressure-related codesEasy installation – replace during cooler line service or rebuild. Professional installation recommended.Note: All parts are distributed, not designed or manufactured, by Stellar Automotive Group.Add this essential E4OD/4R100 cooler by-pass valve to your cart today and keep your Super Duty shifting strong year-round!

• Stellar Automotive Group E4OD/4R100 Cooler By-Pass Valve Assembly – Complete by-pass valve kit for cooler circuit protection
• Compatible for Ford Super Duty – Fits F-250, F-350, F-450, F-550, Excursion, E-Series with E4OD (late) & 4R100 (1999-2004)
• Prevents Overcooling & Pressure Loss – Ensures consistent fluid temperature, protects cooler lines, and maintains proper line pressure
• Direct OEM-Style Replacement – Eliminates cold-weather shift issues, delayed engagement, and cooler-related failures
• Professional-Grade Aftermarket Part – Distributed (not manufactured) by Stellar Automotive Group with strict quality standards