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Dorman M630919 Brake Master Cylinder OE Replacement

(BMW M3 1995, X3 2011-18, 325i 1992-95, 540i 1994-95, 740iL 1993-95, 530i 1994-95, 740i 1993-95, 525i 1991-95, X4 2015-18, 318i 1991-95 + 4 more models)

Part of: Dorman Brake Master Cylinder Replacement

Other options in this family: Dorman M39298 Dorman M19012 Dorman M390139 Dorman M630735 Dorman M390200

Manufacturer

Picture for manufacturer Dorman

Part Number

M630919
9 reviews
Sale Price

$131.47

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Dorman M630919 is a direct-fit replacement brake master cylinder engineered to restore proper braking system function. Precision-manufactured to match the original equipment specifications, this master cylinder delivers reliable hydraulic pressure to your vehicle's brake calipers and wheel cylinders, ensuring confident stopping performance.

Key Features:

  • Precision-engineered to match OE design, fit, and function
  • Constructed from high-quality new materials — not rebuilt or remanufactured
  • Designed to restore factory braking performance and hydraulic pressure output
  • Durable construction for long service life as a safe, dependable replacement
  • Meets or exceeds original equipment standards for a worry-free installation

The Dorman M630919 brake master cylinder is a straightforward, drop-in replacement that helps eliminate common symptoms of a failing master cylinder such as a spongy brake pedal, brake fluid leaks, or inconsistent pedal feel. As part of Dorman's OE FIX line, it is built from new components to provide a reliable, long-lasting repair.

Products specifications

Fits

BMW M3 1995, X3 2011-18, 325i 1992-95, 540i 1994-95, 740iL 1993-95, 530i 1994-95, 740i 1993-95, 525i 1991-95, X4 2015-18, 318i 1991-95, 325is 1992-95, 318is 1991-95, 840Ci 1994, 525iT 1993

Reservoir Included

No

Mounting Hardware Included

No

Master Cylinder Bore Diameter

1

Master Cylinder Material

Cast iron

Rearward Outlet Size

M12x1.0

Number of Outlets

2

Reservoir Type

Removable

Package Contents

Master Cylinder

Secondary Outlet Thread Diameter

M12x1.0

Sensor Included

No

Great

Very easy to use this site...

Quick and easy checkout through Amazon. My parts were half the price of others places like Auto zone for the exact same brand and party number. They shipped the next day and took about a week to get here

Quick Order Process!

no problem so far...

Had a few issues with the order going through but overall was a good experience.

great!

First time using Autoplicity. Found some great pricing on their site. Plan on doing plenty of mods to my new truck and would definetley recommend them and would be using them again very soon.

Cheapest prices I found online! Ordered at 4:30 on a Thursday afternoon and had 'em waitin' on my doorstep by SATURDAY!

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