Koyo Performance Radiator Subaru Impreza WRX / STI GDA / GDB / GDF / GGA 2002-2007

Koyo Performance Radiator – Subaru Impreza WRX / STI GDA / GDB / GDF / GGA 2002–2007 Application: Subaru Impreza WRX / WRX STI | GDA / GDB / GDF / GGA | EJ205 / EJ207 / EJ255 / EJ257 Turbo Petrol AWD | 4AT / 5MT / 6MT Part Number: VH091672 / KV091672R The GD-series Impreza WRX and STI are among the most popular and enduring performance platforms in Australia. Whether it's a street build, a rally car, or a track weapon, keeping coolant temperatures stable is fundamental to getting the most out of these engines under sustained load. Koyorad's all-aluminium radiator is a direct bolt-in performance upgrade across the GDA, GDB, GDF, and GGA Impreza platform. Nocolok furnace brazed, precision TIG welded by hand, and triple pressure tested — retains all OEM fan shroud mounts and stock hose connections with no modifications required. Why Koyorad? Precise Tube & Fin Alignment — Optimal coolant flow and maximum heat transfer efficiency. Nocolok Furnace Brazing — All components bonded as one unit for vibration and debris resistance. Billet Filler Neck — Precision-machined for strength, durability, and a reliable seal. OE-Specific Mounting — Retains factory fan shroud, hose positions, and mounting pins. Hand-Crafted Heliarc Welds — Individually welded for the strongest possible aluminium-to-aluminium bond. Specifications Part Number VH091672 / KV091672R Core Thickness 36mm Core Dimensions (H x W) 340 x 686/701mm Tube Pitch 43/43 x 713mm Inlet / Outlet 38mm top and bottom Construction All Aluminium, Nocolok Brazed, Heliarc Welded OEM Numbers 45111 FE101 / 45111 FE102 Fitment Year Chassis Submodel Trans 2002-2005 GDA Sedan WRX EJ205 2.0T AWD 168kW 4AT 2002-2005 GDA Sedan WRX EJ205 2.0T AWD 168kW 5MT 2006-2007 GDA Sedan WRX EJ255 2.5T AWD 169kW 4AT 2006-2007 GDA Sedan WRX EJ255 2.5T AWD 169kW 5MT 2005 GDA Sedan WRX WRP10 EJ205 2.0T AWD 175kW 5MT 2002-2005 GDB Sedan WRX STI EJ207 2.0T AWD 206kW 6MT 2006-2007 GDF Sedan WRX STI EJ257 2.5T AWD 206kW 6MT 2002-2005 GGA Wagon WRX EJ205 2.0T AWD 168kW 4AT 2002-2005 GGA Wagon WRX EJ205 2.0T AWD 168kW 5MT 2006-2007 GGA Wagon WRX EJ255 2.5T AWD 169kW 4AT 2006-2007 GGA Wagon WRX EJ255 2.5T AWD 169kW 5MT Sold individually. Lead times may apply — contact us at Coore for availability and shipping estimates.