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Billetworkz Engine Bay Caps - Subaru WRX/STI 2002-2007

Billetworkz Engine Bay Caps - Subaru WRX/STI 2002-2007

$320.00
$320.00
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These caps are designed to be factory replacement caps, not covers. CNC machined from 6061 aluminum and anodized for a durable and vibrant finish.

2002-07 WRX/STI includes:

  • Oil Cap
  • Wiper Fluid Cap
  • Coolant Overflow Cap
  • Brake Fluid Cap
  • Power Steering Fluid Cap
  • Clutch Fluid Cap

    Materials

    • CNC-machined from high-quality 6061-T6 billet aluminum
    • Finished with a durable powder coat for long-lasting color and protection
    • Designed to withstand high engine bay temperatures and resist corrosion
    • Smooth, precision-cut details for a clean, high-performance look

    Specs

    Type: Factory replacement caps – not covers

    Fitment: Engine-specific designs for direct replacement of OEM caps

    Available Cap Types (varies by listing):

    • Oil Cap
    • Coolant Overflow Cap
    • Brake Fluid Cap
    • Washer Fluid Cap
    • Power Steering Cap

    Design:

    • Matches OEM threads and dimensions for secure fit
    • Engineered for both form and function – adds style without compromising performance
    • Pairs perfectly with other Billetworkz engine bay accessories for a cohesive look

    Installation Guide

    Installing your product is simple—and we’ve got you covered.

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    Processing Time

    Most orders ship within 1–3 business days, but processing times can vary depending on inventory, color selection, and customization options.

    Billetworkz Engine Bay Caps - Subaru WRX/STI 2002-2007

    $320.00

    Customer Reviews

    Based on 83 reviews
    98%
    (81)
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    100.0
    100.0
    G
    Garret
    Looks great

    Looks great. Brake fluid cap was a bit of a learning curve but wasn't too bad

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    M
    Michael Lukach
    Love These Caps without Branding!

    I bought these because they look good with artistic logo for each fluid type, and don't have "Billetworkz" all over each cap as an advertisement. Much appreciated!

    Looks fantastic for reliving my 90s JDM street cars growing up. Red Powdercoat finish.

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    B
    Billy Evers
    Nice touch to the bay

    Caps add a nice accent to the engine bay. Really love the way they look

    User picture
    W
    Walt
    Awesome accessories!

    I just purchased the set of 5 caps in wrinkle red for my '19 WRX STI and they were very impressive. The material and the finish were outstanding, also very sturdy. I should have purchased the kit a long time ago. I'm very pleased with the product and the look.

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    C
    Christopher E Piggott
    The added color makes the engine compartment pop!

    These caps look great, and the bright red (non wrinkle in my case) works really well against the rest of the engine compartment and the orange of my WRX. Don't mind that I added the Perrin oil filter cover (Billetworkz doesn't have one).

    The only minor thing I would change - and it's small - is that the marking on the oil fill cap doesn't orient square to the markings on the other caps, which you can turn any way you want. It's because it's a threaded cap. My guess is it could be fixtured to square up better when it's marked. But it still looks great, I'm just a little OCD.

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    R
    Reco Ford
    Legacy GT Billetworkz engine caps

    Great craftsmanship, perfect fit!

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