Sale

Brakes Master Cylinders-Boosters and Components

Wilwood

Wilwood Replacement Billet Master Cylinder Reservoir Cap w/Seals

$41.10 $38.06 Save $3.04

SKU: W00B 330-12954

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

Part #: 330-12954

Replacement Billet Master Cylinder Reservoir Cap. With diaphragm gasket style with seal. Billet aluminum alloy construction with a Bright' finish. Used with Billet Fluid Reservoirs P/N 260-12696 & 260-12697 but also works with all Wilwood master cylinder reservoirs with Girling' size threads.

MIA's Description

It features a billet aluminum alloy construction with a diaphragm gasket and seal. This cap is compatible with Wilwood Billet Fluid Reservoirs P/N 260-12696 and 260-12697, as well as all other Wilwood master cylinder reservoirs that use 'Girling' size threads.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandWilwood
Part NumberW00B 330-12954

Videos

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy