SEAT LEON (5F1) 1.4 TSI 103kW until 05.2015. SEAT LEON (5F1) 1.4 TSI 103kW 09.2012-08.2020 Rear, Left, Right. Made with high-quality stainless steel fittings and stainless steel braided hose, these brake lines are designed for increased reliability, durability, and performance.