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CSF Radiator Filler Necks with Pressure Caps

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CSF radiator filler necks with pressure caps are all-aluminum direct-fit replacements with high-pressure radiator caps. CSF manufactures the best and most reliable radiator pressure caps in the industry, selling tens of thousands every year with a range of pressures from 7 psi to 29 psi (2.0 bar). CSF is also a world leader in this segment as a trusted private label supplier to a number of different cooling product manufacturers. Replace the weak plastic auxiliary filler neck of your FRS/BRZ/86 vehicle with an all-aluminum TIG-welded and mirror polished upgraded version from CSF.

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2013+ Scion Frs/Subaru Brz/Toyota 86 All-Aluminum Filler Neck W/1.4 Bar High Pressure Radiator Cap

Part Number: CSF-8044

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

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