Skip to content
🔥😈 Mod Mayhem Sale - Shop Deals Now 😈🔥
🔥😈 Mod Mayhem Sale - Click Here 🔥😈

Billetworkz Zero Series Brake Fluid Reservoir Cap w/ Engraving Most Subaru Models

$55.00
Original price $55.00 - Original price $55.00
Original price
$55.00 - $55.00
Current price $55.00
Only 2 Left In Stock! Usually Ships within 1-2 Business Days
4 In Stock, Usually Ships within 1-2 Business Days
Only 1 Left In Stock! Usually Ships within 1-2 Business Days
Only 1 Left In Stock! Usually Ships within 1-2 Business Days
Only 2 Left In Stock! Usually Ships within 1-2 Business Days
Only 3 Left In Stock! Usually Ships within 1-2 Business Days
Only 2 Left In Stock! Usually Ships within 1-2 Business Days
Stock Status: Ships Directly From Manufacturer – Delivery Times Vary What does this mean
Only 1 Left In Stock! Usually Ships within 1-2 Business Days
SKU BW-EBCZ-SUB-BRK-BLK-E

DETAILS

 

Take your engine bay to the next level with this billet CNC machined Cap! 

Make a statement in your engine bay with the Billetworkz Zero Series Brake Fluid Reservoir Cap, meticulously machined from high grade billet aluminum for a perfect fit in most Subaru models. The cap provides a secure seal for your brake fluid reservoir, this version includes the engraved brake logo on the top of the cap!

Replaces the ugly, yellow OEM cap (must reuse the rubber seal from OEM cap)

Brake Fluid Cap Installation:

  • The factory rubber seal must be reused when replacing your cap with the Billetworkz cap. Please watch this video for installation instructions.
Why Billetworkz? 

Billetworkz has become a go-to brand for Subaru owners who demand more than just performance—they demand personality. Proudly based in Pennsylvania, we’re a passionate crew of enthusiasts who live and breathe the automotive lifestyle. From the first prototype to the final polish, our parts reflect a deep understanding of what Subaru drivers truly want—function, feel, and a custom aesthetic that stands out. While other brands follow trends, Billetworkz carves its own path—earning the respect of some of the most detail-obsessed Subaru owners in the world.

Weighted Shift Knobs – Feel Every Shift 

For Subaru enthusiasts who demand more from every gear change, Billetworkz Weighted Shift knobs deliver the perfect balance of performance and style. Precision-machined from stainless steel, our knobs are designed to add weight where it matters—giving you smoother, more deliberate shifts and a connected driving experience. With dozens of finishes, engravings, and shapes like our popular Lightbulb, Piston, and Teardrop, there's a perfect knob for every build style—from daily driver to full send. Built in-house, made in small batches, and designed to feel as good as they look—this is where the shift starts.

The Subaru Modding Essentials 

We know the mod bug runs deep in the Subaru world; that’s why we built the essentials that elevate both form and function. Our Weighted Shift Knobs offer crisp, smooth and more connected shifts, while our engine bay caps and interior accessries clean up the bay and add that personal touch. Every part is machined from high-grade materials and built to last, designed specifically for your Subaru platform. Whether you're starting your first build or finishing off a full setup, Billetworkz makes sure the details never get overlooked.

Billetworkz Custom 

Transform your vehicle's interior with Billetworkz custom engraved shift knobs, meticulously crafted to your exact specifications. Our made-to-order shift knobs allow you to personalize every detail—from unique engravings and logos to custom colors and finishes. Experience truly personalized automotive craftsmanship with Billetworkz.


Brand Logo
About Billetworkz

About Billetworkz

At Billetworkz, every product is made in-house with Subaru drivers in mind. From Weighted Shift Knobs that improve your daily drive to Short Shifters that transform every gear change, our parts are crafted for those who crave precision and individuality behind the wheel. Whether you're building a show car or a weekend canyon carver, our Subaru-specific components, including engine bay dress-up kits and interior accessories, let you fine-tune every detail to your exact style. No outsourcing. No compromises. Just pure Subaru passion—machined into every piece.

Style & Innovation

Style & Innovation

Subaru builds deserve more than just bolt-ons—they deserve innovation you can feel and style that turns heads. At Billetworkz, we obsess over every cut, curve, and finish to bring bold ideas to life for the Subaru community. Our shift knobs and accessories don’t just add flair—they’re engineered to enhance form and function, elevating every drive. Trusted by Subaru enthusiasts, track rats, and custom-builders alike, we set the standard for creative, high-performance detail without ever sacrificing craftsmanship.

Customer Reviews

Based on 9 reviews
100%
(9)
0%
(0)
0%
(0)
0%
(0)
0%
(0)
S
SwampDoc
Billetworkz Zero Series Brake Fluid

Looks great. If you hate OEM plastic look no further. Annoying to have to reuse the seals. Easy improvement.

Thank you for your 5 Star Review, SwampDoc!

Another awesome Billetworkz upgrade to clean up the engine bay. Simple install and sleek finish—cannot go wrong.

Regards,

E
Eli
Looks great!

The red compliments the engine bay

Eli,

Thank you for the 5 Star Review! Those Billetworkz caps really bring the whole engine bay together, especially in red — sounds like your bay is looking 🔥!

Regards,

B
Basil Richards
Red Billetworkz brake reservoir cap

Cap is very well made and replaces the old yellow cap perfectly after you remove the rubber seal from the old cap. The availability of different colors is very appreciated and I picked the red adonized to complete the look I’m going for. Looking forward to replacing my other caps with Billetworkz products.

Basil,

Thank you for your 5 Star Review along with your adde pic of the Billetworkz Zero Series Brake Fluid Reservoir Cap. Your attention to detail and color coordination is awesome—we are glad it completed your look!

Regards,

J
Jose F
Red Wrinkle

Super easy install! I ended up using the rubber seal from the OEM cap to ensure the new cap seals properly.

Jose F,

Thank you for your 5-Star Review and added pic! The Billetworkz Zero Series Brake Fluid Reservoir Cap is a great way to add a custom touch. Using the OEM rubber seal for a perfect fit was a smart move!

Regards,

C
Calvin
Stoked!

This is my 1st billetworks piece and I absolutely love it! The quality is way beyond what I could’ve imagined! 5 star all the way! I can’t wait to get the rest of the collection for my xv

Hi there Calvin,

Thank you so much for your 5 Star Review. We are thrilled to hear that you love your Billetworkz Zero Series Brake Fluid Reservoir Cap. Our team takes great pride in providing high-quality products, so we're glad to know Billetworkz exceeded your expectations. We can't wait to see your XV with the rest of the collection. Happy driving!

Regards,