SKU: csf8044 CSF Aluminum Filler Neck with High Pressure Radiator Cap for 13+ BRZ, 13-20 Toyota 86, 22+ GR86

CSF Aluminum Filler Neck with High Pressure Radiator Cap for 13+ BRZ, 13-20 Toyota 86, 22+ GR86

Replace the weak plastic auxiliary filler neck of your FRS/BRZ/86 with the high-performance CSF All-Aluminum Auxiliary Filler Neck. Crafted from 100% TIG-welded aluminum, this upgraded version offers unmatched durability and strength. Featuring a mirror-polished finish, it not only enhances the engine bay’s appearance but also ensures long-lasting performance. The filler neck comes complete with a 1.4bar high-pressure cap—equipped with a high-quality “mini style” radiator cap embossed with the CSF logo, making it compatible with various aftermarket cap brands. Designed as a direct drop-in replacement, it requires no modifications and can be installed in less than 5 minutes.

Upgrade your cooling system with the CSF All-Aluminum Auxiliary Filler Neck for superior durability and efficient coolant management, ensuring optimal performance on both street and track.

Important Note About Vehicle Fitment

Our vehicle fitment selection tool is currently in development, and we’re working hard to ensure the accuracy of our data. While most models and trims should be correct, there may be some instances where fitment information is incomplete or an alternative option is available.

If you’re unsure about the compatibility of a part with your vehicle, please don’t hesitate to reach out to us for assistance. Our team is here to help you find the perfect fit!