Exact OEM Fitment Guarantee: Precision-engineered to Fd factory specifications (Part 7L3Z6A666A), this blue thermoplastic valve fitting matches original dimensions, thread pitch, and flow characteristics for seamless integration into crankcase ventilation systems—no modifications or leakage risks
Comprehensive Vehicle Coverage: Direct replacement for 2006-2023 Fd/Lc models, including F-Series (F-150 to F-550), E-Series vans (E-150 to E-450), and commercial chassis (F-53/F-59)
High-Temp Reinforced Thermoplastic: Superior to rubber aftermarket alternatives, this OEM-grade blue polymer withstands 250°F+ engine bay temperatures and resists oil degradation, ensuring 50,000+ mile service life without cracking or deformation under pressure fluctuations
Critical Engine Protection Function: Maintains optimal crankcase pressure by regulating blow-by gases, preventing oil sludge buildup and erratic idle while reducing hydrocarbon emissions—vital for turbocharged and modular V8/V10 engine longevity
Tool-Free Installation: Features snap-lock connectors and pre-lubricated O-rings for 5-minute installation without special tools