Billetworkz Brake Fluid Reservoir Cap - 2013-2021 Scion FR-S / Toyota 86 / Subaru BRZ / 15-21 WRX / STI / 22+ WRX

Upgrade one of the most visible plastic pieces in your engine bay with the Billetworkz Brake Fluid Reservoir Cap. Designed for the Scion FR-S, Toyota 86, Subaru BRZ, and both VA and VB-generation WRX platforms, this billet cap blends OEM-level fitment with a clean, minimalist aesthetic that instantly sharpens the look of your engine bay.

Key Features

• Precision Engineering: CNC-machined from high-quality 6061-T6 billet aluminum for durability and a perfect fit.
• Premium Finish: Available in multiple vibrant colors with anodized or powder coated finishes (depending on selection) for long-lasting corrosion resistance.
• Direct OEM Replacement: Installs in place of the factory brake fluid reservoir cap with no modifications required.
• Enhanced Aesthetics: Minimalist yet striking design that pairs perfectly with other Billetworkz engine bay caps.

Why We Like It

This is a simple, high-impact detail that cleans up the engine bay instantly. The Billetworkz cap replaces faded OEM plastic with a precision-machined piece that looks right at home on street builds, track cars, and show-worthy bays.

Specifications

• Material: 6061-T6 billet aluminum
• Finish: Anodized or powder coated (varies by color selection)
• Fitment Style: Direct replacement brake fluid reservoir cap

Installation Notes

• Install with the vehicle parked on level ground.
• Carefully remove the OEM brake fluid reservoir cap.
• Install the Billetworkz cap and ensure it seats fully and securely.
• Hand-tighten only; do not over-torque.
• Avoid introducing dirt or debris into the reservoir during installation.

What’s in the Box

• (1) Billetworkz Brake Fluid Reservoir Cap

About Billetworkz

Billetworkz has earned its reputation as a leading manufacturer of premium automotive accessories through more than a decade of innovation and quality craftsmanship. From foundational shift knobs to a full ecosystem of billet components, Billetworkz continues to deliver precision-engineered upgrades enthusiasts can trust.

Compatibility & Disclaimers

Designed for the listed FR-S, 86, BRZ, WRX, and STI applications. Finish color may vary slightly due to anodizing/powder coat processes and display differences. Always follow OEM procedures and safety guidelines when servicing brake fluid systems.