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Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+
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Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+

Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+

Upgrade your WRX engine bay from tired plastic to premium billet. The Billetworkz Engine Bay Cap Set replaces the crusty, faded factory caps with CNC-machined 6061 aluminum pieces finished in vibrant, durable coatings for a clean, custom look that matches the rest of your build.

Key Features

  • CNC-Machined 6061 Aluminum: Precision fit and long-term durability.
  • Premium Finishes: Anodized or powder coated (finish type varies by color) for color depth and protection.
  • Direct Replacements: Designed to install in place of the factory caps with OEM-style fitment.
  • Cohesive Aesthetic: Instantly elevates the engine bay with a unified billet look.

Set Contents (Both Generations)

  • Oil Cap
  • Wiper Fluid Cap
  • Coolant Overflow Cap
  • Brake Fluid Cap

Why We Like It

It’s a fast, high-impact refresh. These caps replace the most visible plastics with precise, color-stable billet pieces that make your bay look purposeful and well-finished.

Specifications

  • Material: 6061 aluminum, CNC-machined
  • Finishes: Anodized or powder coated (depending on color)
  • Design: Vehicle-specific, direct replacement

Installation Notes

  • Install with the engine cool and on level ground.
  • Remove OEM caps and seat each Billetworkz cap per its location; ensure seals/O-rings (where applicable) are clean.
  • Hand-tighten oil cap; do not over-torque.
  • After first heat cycle, verify caps remain secure and leak-free.

What’s in the Box

  • (1) Oil Cap
  • (1) Wiper Fluid Cap
  • (1) Coolant Overflow Cap
  • (1) Brake Fluid Cap

About Billetworkz

With more than a decade of innovation and in-house machining, Billetworkz delivers precision-engineered accessories that blend form and function—building on a legacy that began with their foundational shift knobs.

Compatibility & Disclaimers

Designed for the listed WRX applications. Finish color may vary slightly due to anodizing/powder coat processes and screen differences. Always follow OEM procedures when servicing fluid systems.

Select Engine Bay Cap Color
From $551.60

Original: $1,576.00

-65%
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+

$1,576.00

$551.60

More Images

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Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 10
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Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 12
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 13
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Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 17
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 18
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 19
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 20
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 21
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 22
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 23
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 24
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 25
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 26
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 27
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 28
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 29
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 30
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 31
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 32
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 33
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 34
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 35
Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+ - Image 36

Billetworkz Engine Bay Caps - Subaru WRX 2015-2021 & 2022+

Upgrade your WRX engine bay from tired plastic to premium billet. The Billetworkz Engine Bay Cap Set replaces the crusty, faded factory caps with CNC-machined 6061 aluminum pieces finished in vibrant, durable coatings for a clean, custom look that matches the rest of your build.

Key Features

  • CNC-Machined 6061 Aluminum: Precision fit and long-term durability.
  • Premium Finishes: Anodized or powder coated (finish type varies by color) for color depth and protection.
  • Direct Replacements: Designed to install in place of the factory caps with OEM-style fitment.
  • Cohesive Aesthetic: Instantly elevates the engine bay with a unified billet look.

Set Contents (Both Generations)

  • Oil Cap
  • Wiper Fluid Cap
  • Coolant Overflow Cap
  • Brake Fluid Cap

Why We Like It

It’s a fast, high-impact refresh. These caps replace the most visible plastics with precise, color-stable billet pieces that make your bay look purposeful and well-finished.

Specifications

  • Material: 6061 aluminum, CNC-machined
  • Finishes: Anodized or powder coated (depending on color)
  • Design: Vehicle-specific, direct replacement

Installation Notes

  • Install with the engine cool and on level ground.
  • Remove OEM caps and seat each Billetworkz cap per its location; ensure seals/O-rings (where applicable) are clean.
  • Hand-tighten oil cap; do not over-torque.
  • After first heat cycle, verify caps remain secure and leak-free.

What’s in the Box

  • (1) Oil Cap
  • (1) Wiper Fluid Cap
  • (1) Coolant Overflow Cap
  • (1) Brake Fluid Cap

About Billetworkz

With more than a decade of innovation and in-house machining, Billetworkz delivers precision-engineered accessories that blend form and function—building on a legacy that began with their foundational shift knobs.

Compatibility & Disclaimers

Designed for the listed WRX applications. Finish color may vary slightly due to anodizing/powder coat processes and screen differences. Always follow OEM procedures when servicing fluid systems.

Product Information

Shipping & Returns

Description

Upgrade your WRX engine bay from tired plastic to premium billet. The Billetworkz Engine Bay Cap Set replaces the crusty, faded factory caps with CNC-machined 6061 aluminum pieces finished in vibrant, durable coatings for a clean, custom look that matches the rest of your build.

Key Features

  • CNC-Machined 6061 Aluminum: Precision fit and long-term durability.
  • Premium Finishes: Anodized or powder coated (finish type varies by color) for color depth and protection.
  • Direct Replacements: Designed to install in place of the factory caps with OEM-style fitment.
  • Cohesive Aesthetic: Instantly elevates the engine bay with a unified billet look.

Set Contents (Both Generations)

  • Oil Cap
  • Wiper Fluid Cap
  • Coolant Overflow Cap
  • Brake Fluid Cap

Why We Like It

It’s a fast, high-impact refresh. These caps replace the most visible plastics with precise, color-stable billet pieces that make your bay look purposeful and well-finished.

Specifications

  • Material: 6061 aluminum, CNC-machined
  • Finishes: Anodized or powder coated (depending on color)
  • Design: Vehicle-specific, direct replacement

Installation Notes

  • Install with the engine cool and on level ground.
  • Remove OEM caps and seat each Billetworkz cap per its location; ensure seals/O-rings (where applicable) are clean.
  • Hand-tighten oil cap; do not over-torque.
  • After first heat cycle, verify caps remain secure and leak-free.

What’s in the Box

  • (1) Oil Cap
  • (1) Wiper Fluid Cap
  • (1) Coolant Overflow Cap
  • (1) Brake Fluid Cap

About Billetworkz

With more than a decade of innovation and in-house machining, Billetworkz delivers precision-engineered accessories that blend form and function—building on a legacy that began with their foundational shift knobs.

Compatibility & Disclaimers

Designed for the listed WRX applications. Finish color may vary slightly due to anodizing/powder coat processes and screen differences. Always follow OEM procedures when servicing fluid systems.