"B" Stock Engine Bay Caps - B-Series - Subaru STI 2015-2021
Category: Engine Bay Caps
Straight from the Billetworkz Backroom
The Problem: Crusty, faded factory caps are ruining your engine bay's look.
The Solution: Upgrade to a Billetworkz Engine Bay Cap Set!
These are direct factory replacements—CNC machined from 6061 aluminum and finished with a durable, vibrant anodized finish. They offer a flawless fit and a clean, custom aesthetic that truly sets your Subaru apart.
2015-2021 STI includes:
- Oil Cap
- Wiper Fluid Cap
- Coolant Overflow Cap
- Brake Fluid Cap
- Power Steering Fluid Cap
B-Stock items are fully functional and may come from discontinued colors, limited runs, overstock, or have minor cosmetic blemishes. Fit, performance, and durability are not affected. Quantities are limited and will not be restocked.
B-Stock items are final sale and are not eligible for returns or exchanges.
Before you pay
Check the method and total at checkout.
When it ships
Allow for processing time as well as the journey to you.
Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.
View policyIf you need a refund
Keep your order number and contact the store to start.
Please contact us for the refund processing timeframe before returning an item.
View policyDelivery costs
Review the cost for your destination and chosen service.
Standard Shipping · United States: $0.00
Express Shipping · United States: $3.99
View policyReturning an item
Check the return conditions before sending anything back.
United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.
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