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CSF Aluminum Filler Neck w/1.4BAR MINI Cap | SUBARU BRZ

CSF Aluminum Filler Neck w/1.4BAR MINI Cap | SUBARU BRZ

SKU:8044

In stock

Regular price $114.47 USD
Regular price $139.00 USD Sale price $114.47 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The CSF Aluminum Filler Neck with 1.4BAR MINI Cap is an upgraded replacement component designed for Subaru BRZ, Scion FR-S, and Toyota 86 models. Constructed entirely from aluminum and TIG-welded for durability, this filler neck replaces the factory plastic version, offering improved strength and heat resistance. The mirror-polished finish enhances the engine bay's appearance, while the included high-pressure 1.4bar mini radiator cap, embossed with the CSF logo, ensures a secure seal. This upgrade provides a reliable, high-quality alternative to OEM parts, reducing the risk of cracking or failure under high-performance conditions. Its straightforward installation allows for a quick, drop-in replacement without modifications, making it suitable for enthusiasts seeking durability and performance.

Designed specifically for 2012-2021 Subaru BRZ, 2013-2021 Scion FR-S, and 2012-2021 Toyota 86 models, this aluminum filler neck is an ideal upgrade for street and track applications. It fits seamlessly into the existing cooling system, replacing the original plastic component with no additional modifications required. The kit includes the aluminum filler neck and the high-pressure mini cap, ensuring a complete upgrade. Suitable for high-performance driving, this component enhances the cooling system's integrity and longevity, especially under demanding conditions. Its direct replacement design makes installation quick and easy, providing a durable, aesthetically pleasing solution for daily drivers and enthusiasts alike.

Overview

Replace the weak plastic auxiliary filler neck of your FRS/BRZ/86 with an all-aluminum 100% TIG-welded and mirror polished upgraded version from CSF. Complete with a 1.4bar high-pressure cap with a high-quality "mini style" radiator cap, embossed with the CSF logo. This cap style is most commonly used with high-performance aftermarket caps if you wish to replace the CSF cap with another brand. Easy drop-in replacement with no modifications - can be installed in less than 5 minutes.

Applications

  • 2013-2016 Scion FR-S - 2.0L H4
  • 2024+ Subaru BRZ Base - 2.4L H4
  • 2024+ Subaru BRZ Limited - 2.4L H4
  • 2024+ Subaru BRZ Premium - 2.4L H4
  • 2024+ Subaru BRZ Sport-tech - 2.4L H4
  • 2013-2020 Subaru BRZ - 2.0L H4
  • 2022+ Subaru BRZ - 2.4L H4
  • 2017-2020 Toyota 86 - 2.0L H4
  • 2022+ Toyota GR86 - 2.4L H4

OEM Part Numbers

  • Subaru: 45151CA000
  • Subaru: 45151CC000
  • Toyota: SU003 03939
  • Toyota: SU003-03939
  • Toyota: SU00303939
  • Toyota: SU003 09080
  • Toyota: SU003-09080
  • Toyota: SU00309080
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