Porsche Left radiator for Boxster (2005-2008), 997 (2006-2012) and Cayman (2006-2008) models. Automatic transmission applications only. CSF Performance delivers premium cooling with a 2-row 42mm core featuring exclusive B-Tube Technology for +20% efficiency gains. The 6.5mm multi-louvered fin design maximizes surface area contact for superior heat dissipation. All-aluminum construction with 100% TIG-welded end tanks ensures durability and reliability. CNC-machined brackets and fittings provide precise fitment, while OEM-style inlet/outlet connections integrate seamlessly. Each unit is individually leak and pressure tested. Mirror-finished in one hour for a refined appearance.