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OPR Brake Master Cylinder (05-08 All)

Market Price $100.79 You Save 11% ($10.80)
Our Price

$89.99

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  • Item 100954
  • MPN# 100954

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Features & Details

  • Regain Lost Braking Performance
  • Premium Quality Cast Aluminum
  • 100% New! - Not Re-Manufactured
  • Reuses Original Reservoir and Cap
  • Bore Size 27mm (1-1/16")
  • Front Outlet - M12x1.0; Rear Outlet - M12x1.0
  • Ford Motor Company Equivalent Part# 4R3Z-2140-AA, 6R3Z 2140-AA or BRMC9
  • Direct Bolt-on Installation
  • Fits All 2005-2008 Ford Mustang Models
More Stopping Power. Improve the stopping power of your S197 Mustang by replacing that old leaky Brake Master Cylinder with a brand new direct fit replacement from OPR for an inexpensive maintenance repair. This OPR Mustang Brake Master Cylinder is 100% brand new, not re-manufactured like other companies sell and it is fully tested at the time of assembly.

Premium Quality Construction. Cast from premium quality aluminum to the original factory specifications, this OPR Master Brake Cylinder features factory style connections with high-quality EPDM rubber compound seals. Manufactured to strict engineering quality standards, OPR Brake Master Cylinders meet or exceed S.A.E. specifications for years of reliable leak free operation.

Direct Fit Replacement. This OPR Master Brake Cylinder is a direct fit replacement for your Mustang’s original stock master cylinder, so it simply bolts into place. Seeing that installation requires bleeding the brake system professional installation is highly recommended.

Application. This OPR Master Brake Cylinder is a direct fit replacement for the 2005-2008 Mustangs, including V6, GT, Bullitt and Shelby GT500 models. Equivalent to Ford part# 4R3Z-2140-AA, 6R3Z 2140-AA or BRMC9.

Fitment: 2005 2006 2007 2008 Details

What's in the Box
  • (1) Master Cylinder
Installation Info
Tech Specs
Will it fit my Mustang?
  • GT - 05, 06, 07, 08
  • V6 - 05, 06, 07, 08
  • GT500 - 07, 08
  • Bullitt - 08

Most Helpful Reviews

5/5
Brake Master Cylinder

Bought a couple of new brake master cylinders due to mine being pretty leaky. Great quality and fits like a champ. You can definitely feel the improved stopping power paired with high performance brake ...

Read More
Helpful (2)

5/5
Perfect replacement!

Great factory replacement. If yours is leaking and worn, replace it with this part form American Muscle. Works perfectly and well built.

Helpful (1)

Overall Rating 5 out of 5 stars
Read All 2 Reviews

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Customer Reviews (2) Write a Review

Overall Rating 5.0

out of 5 stars

Installation Time:Weekend

Installation Cost:$100-$250

  • Fit 5 5
  • Bang For Your Buck 4.5 4.5
  • Stopping Power 4.5 4.5



  • 5/5

    Installation Time: Afternoon

    July 21, 2014

    Brake Master Cylinder

    Bought a couple of new brake master cylinders due to mine being pretty leaky. Great quality and fits like a champ. You can definitely feel the improved stopping power paired with high performance brake pads. I definitely recommend this brake master cylinder, thanks AM.

    LAbosss

    Year: 2006 Submodel: V6 Midlothian,TX

    Helpful (2)

  • 5/5

    Installation Time: Shop Install

    Installation Cost: $100-$250

    December 23, 2014

    Perfect replacement!

    Great factory replacement. If yours is leaking and worn, replace it with this part form American Muscle. Works perfectly and well built.

    ant0209

    Year: 2006 Submodel: GT Georgia, USA

    Helpful (1)

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