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Billetworkz Zero Series Coolant Reservoir Cap w/ Engraving Most Subaru Models - BW-EBCZ-SUB-COO-BLK-E - Subimods.com

Billetworkz Zero Series Coolant Reservoir Cap w/ Engraving Most Subaru Models

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

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 Coolant 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 Coolant Reservoir, this version includes the engraved temperature logo on the top of the cap!

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 6 reviews
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E
Eli
Looks great!

The red really compliments the rest of 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,

A
Aurelio Martínez
Neon Yellow Coolant Reservoir Cap!

I bought this one in the iconic Neon Yellow matches beautifully with the WR Blue paint !

Aurelio,

Thank you for your 5 Star Review! We are so glad to hear that you are happy with your new Billetworkz Zero Series Coolant Reservoir Cap in Neon Yellow. It is great to know that it matches perfectly with your WR Blue paint. We appreciate your support and hope you continue to enjoy your new cap!

Regards,

M
Matt
Looks great

Dressed up under my hood

Hi there Matt

Thank you for leaving a 5 Star Review on the Billetworkz Zero Series Coolant Reservoir Cap. We are happy to hear that it looks great and adds a touch of style under your hood. We appreciate your support and hope you continue to enjoy the product.

Regards,

M
M.
Excellent product

Great fitment good materials and extremely easy to install

M.H.,

The Billetworkz Coolant Reservoir Cap is a fantastic way to dress up your engine bay! We take pride in providing high-quality products that are easy to install and have a perfect fit. Thank you for choosing Subimods! Enjoy!

Regards,

J
Jacob
Great quality product

Got a couple of these to replace the oem caps, and these are such great quality and solid. Going with blue and red so this helped with that touch. Thanks Subimods! If yall wanna send me some swag to rep in Texas 😉

User picture

Jacob,

We are glad to hear that the Billetworkz Zero Series Coolant Reservoir Cap was able to meet your expectations and add a touch of color to your Subaru. We appreciate your support and enthusiasm for your Subaru! We hope you continue to enjoy your new cap! Thank you for the 5 Star Review! Happy driving!

Regards,

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