Ignitions and Electrical› Charging Systems

Dorman

NEW MASTER CYLINDER

$235.93

SKU: D00I M630666

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

Moderate — 2–4 hours

Description

The Dorman M630666 brake master cylinder is engineered to restore proper brake hydraulics in Ford E-250 and E-350 Super Duty vehicles. It is constructed from durable aluminum material for corrosion resistance and includes a reservoir and sensor for integrated brake fluid management. This master cylinder features a 1.375-inch bore diameter and three outlets with specific thread sizes (M12 x 1.5, 3/8-24, and M10 x 1.5) for secure connections.

Fitment

Fitment Guaranteed

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

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Specifications

BrandDorman
Part NumberD00I M630666

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.

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