Core enhancements developed specifically for the 2014 Jeep Wrangler JK 3.6L Pentastar engine: Fluid Dynamics Upgrade: 17-bladed asymmetric impeller design improves flow to 40 GPM@3000rpm over OE (22% improvement) Sealing system: Triple protection structure Freudenberg Viton main seal from Germany NOK dust lip seal from Japan Automatic spring preload compensation Intelligent adaption Integrated Bosch 0281003016 temperature sensor, compatible with Uconnect 430N system for real-time monitoring Adaptation OE No.: 68163849AF, passed ISO 16750-4 1000 hours vibration test.