Brakes› Master Cylinders-Boosters and Components
Carquest Wearever
1.13-Inch Bore Master Cylinder with Cap and Reservoir
SKU: MCA39646
Moderate — 2–4 hours
Description
The castings feature hard anodizing for aluminum and rust-preventative coating for iron. Machining is performed on computer-programmed CNC machines, with castings undergoing two inspection processes. Assembly takes place in a clean room, and all units are dated coded for traceability and pressure tested before shipping. This master cylinder has a 1.13-inch bore diameter and includes a cap and reservoir.
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
| Brand | Carquest Wearever |
| Part Number | MCA39646 |
| Category | Brakes |
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