SKP SKM630679 Brake Master Cylinder

Brand SKP SKM630679
Fits Kia · 5 vehicles

OE-spec fit. Engineered to match original brake master cylinder requirements.

Hydraulic pressure conversion. Turns pedal force into the pressure needed for brake operation.

Reliable braking control. Restores responsive braking performance with durable construction.

Cross-references Dorman - First Stop M630679, Raybestos Brakes MC391383 and 391078 for the same application. See all 4.

$45.63Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.

Brake Master Cylinder for Kia Optima

The SKP Brake Master Cylinder restores hydraulic pressure transfer for dependable brake pedal response. Built to OE specifications, this replacement is made for a precise fit on select Kia Optima applications and supports consistent braking control.

  • Brake master cylinder for hydraulic brake system operation
  • Engineered to meet OE specifications for fit and function
  • Durable construction for everyday braking demands
  • Direct replacement for select Kia Optima models
  • Part number SKM630679 for application matching

Detailed Product Overview

SKP SKM630679 is a brake master cylinder for 2006-2010 Kia Optima models with w/o Stability Control, including 2008 Kia Optima with a 1 in. bore and w/o Stability Control. It converts pedal force into hydraulic pressure so the brake system can operate as intended. This part cross-references Dorman - First Stop M630679 for the same application.

Common Brake System Issues

  • Low or inconsistent brake pedal pressure
  • Brake pedal travel that feels excessive or soft
  • Hydraulic pressure loss in the master cylinder circuit
  • Reduced braking response on a Kia Optima
  • Replacement need after master cylinder wear or internal leakage

Installation Notes and Tips

Verify vehicle configuration before installation. This SKP brake master cylinder fits 2006-2007 Kia Optima, N/A, w/o Stability Control; 2008 Kia Optima, N/A, Bore: 1 In.; w/o Stability Control; and 2009-2010 Kia Optima, N/A, w/o Stability Control. Confirm brake line routing, mounting points, and bore specification match the original part number SKM630679 before installation.

Quality Assurance

SKP manufactures this master cylinder to OE specification standards for fit and reliable brake system operation. The part is built from durable materials to support consistent performance in the vehicle’s hydraulic braking system.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelTransmissionNotes
2010KiaOptimaAutomaticw/o Stability Control
2009KiaOptimaAutomaticw/o Stability Control
2008KiaOptimaAutomaticBore: 1 In.; w/o Stability Control
2007KiaOptimaAutomaticw/o Stability Control
2006KiaOptimaAutomaticw/o Stability Control
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - First Stop — M630679Raybestos Brakes — MC3913833910781110216