Filler Neck 2013+ Scion FRS/Subaru BRZ/Toyota 86

The Filler Neck for 2013+ Scion FRS, Subaru BRZ, and Toyota 86 is a critical OEM-spec replacement component engineered for the FA20 flat-four engine platform shared across these lightweight sports cars. As a direct-fit assembly, this filler neck maintains the factory fuel system integrity—a necessity when upgrading cooling systems, replacing radiators, or servicing the fuel delivery circuit on these chassis. Whether you're a shop rebuilding a collision-damaged vehicle, a DIY enthusiast performing engine bay work, or a tuner integrating performance cooling solutions, a quality replacement neck prevents fuel spillage, sealing issues, and cross-contamination during fuel tank refill cycles.

CSF Cooling manufactures this filler neck to precise OEM specifications, ensuring a perfect factory-style fit without modification to fuel tank mounting or hose routing. The assembly includes the neck tube and integrated sealing surfaces designed to work seamlessly with the FRS/BRZ/86 fuel cap and hose connections—eliminating gaps that can cause vapor leaks or vent line malfunction. At just 0.6 lbs and compact dimensions, installation is straightforward; the component clears aftermarket radiators and supports both stock and upgraded cooling setups without interference or fitment compromise.

This OEM-equivalent filler neck is ideal for any 2013–current Scion FRS owner, Subaru BRZ driver, or Toyota 86 enthusiast replacing a damaged, cracked, or degraded fuel system component. Installation takes minutes with basic hand tools and no special equipment, making it a cost-effective solution for shops and home builders alike. Compatibility spans all generations of the FA20-powered platform without variation, ensuring confidence whether you're performing a full cooling system overhaul or addressing a single worn component in your fuel delivery system.