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Engine Bay Caps - Choose Your Caps - WRX/STI/BRZ

Do you need specific individual caps and not an entire set? Choose here which caps you will need for your vehicle!

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

Add engravings for an additional charge! (Zero Series only)

2008-14 WRX/STI factory caps:

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

2015+ WRX factory caps:

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

2015+ STI factory caps:

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

2013+ BRZ/FRS/GT86 factory caps:

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

Customer Reviews

Based on 73 reviews
97%
(71)
1%
(1)
0%
(0)
0%
(0)
1%
(1)
R
Rick S.
Looks great!

Fits well and matches all the other reds in my engine bay that aren't from the same company. Can't complain!

D
Doll
Quality Work, Quality look.

Extremely satisfied with these. Adds a nice custom touch to the engine bay, for an extremely custom motor. Very well made.

A
Andriko Z.
Quality Caps

Fantastic engine bay caps, precision manufactured with a fit and finish that is exceptional. Billetworkz customer satisfaction really sets the bar. I had a minor alteration request and my order was immediately adjusted and modified. The order left a few days later and I received exactly what I had requested. This is the type of service and manufacturing that really stands out. Highly recommend. A++

S
Scott Thompson
Excellent Quality And Looks

These really stand out within the engine bay. I bought the full kit with the dipstick and I’m very pleased. The washer fluid cap was a tough fit and the coolant cap was an easy on but very difficult to remove. So I used a heat gun on the rims of reservoirs for a minute then pushed the caps on. It kind of form fitted the caps and they are much easier to service.

J
James Childs
Engine Bay Caps JDM Blobeye STi

Absolutely amazing product!!! I brought a complete set in Pink. They all fit perfectly with a tight fit. They are expensive but the the quality is outstanding and well worth it in my opinion. I have only just fitted then, so how they hold up over time is still yet to be seen but I'm sure there will be no issues.

They are great. Thank you Billetworkz for great products and service.

Customer Reviews

Based on 73 reviews
97%
(71)
1%
(1)
0%
(0)
0%
(0)
1%
(1)
R
Rick S.
Looks great!

Fits well and matches all the other reds in my engine bay that aren't from the same company. Can't complain!

D
Doll
Quality Work, Quality look.

Extremely satisfied with these. Adds a nice custom touch to the engine bay, for an extremely custom motor. Very well made.

A
Andriko Z.
Quality Caps

Fantastic engine bay caps, precision manufactured with a fit and finish that is exceptional. Billetworkz customer satisfaction really sets the bar. I had a minor alteration request and my order was immediately adjusted and modified. The order left a few days later and I received exactly what I had requested. This is the type of service and manufacturing that really stands out. Highly recommend. A++

S
Scott Thompson
Excellent Quality And Looks

These really stand out within the engine bay. I bought the full kit with the dipstick and I’m very pleased. The washer fluid cap was a tough fit and the coolant cap was an easy on but very difficult to remove. So I used a heat gun on the rims of reservoirs for a minute then pushed the caps on. It kind of form fitted the caps and they are much easier to service.

J
James Childs
Engine Bay Caps JDM Blobeye STi

Absolutely amazing product!!! I brought a complete set in Pink. They all fit perfectly with a tight fit. They are expensive but the the quality is outstanding and well worth it in my opinion. I have only just fitted then, so how they hold up over time is still yet to be seen but I'm sure there will be no issues.

They are great. Thank you Billetworkz for great products and service.