HomeBrake > Brake HydraulicsDorman M630395 Brake Master Cylinder
Part #: M630395

Dorman M630395 Brake Master Cylinder

N/A
⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$118.61Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Kia, Spectra
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Brake Master Cylinder for Kia Spectra

The Dorman M630395 Brake Master Cylinder is engineered specifically for Kia Spectra models, providing reliable brake hydraulics performance. This master cylinder features an aluminum construction and includes a reservoir and sensor to ensure optimal braking function.

  • Compatible with Kia Spectra vehicles
  • Master cylinder bore diameter of 0.938 inches
  • Durable aluminum master cylinder material
  • Includes reservoir and sensor for integrated brake system monitoring
  • Four outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
  • Secondary outlet thread diameter of 10 mm
  • Package contains the master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M630395 brake master cylinder is designed to meet the specific hydraulic requirements of Kia Spectra brake systems. Constructed from aluminum, this master cylinder offers corrosion resistance and durability under demanding conditions. The 0.938-inch bore diameter ensures proper fluid displacement for effective brake pressure. It includes a reservoir to maintain brake fluid levels and a sensor to monitor system status, enhancing safety and performance. The unit features four outlets, including a rearward outlet sized M10 x 1.0 with a 1.0 thread pitch, and a secondary outlet thread diameter of 10 mm, allowing for precise brake line connections.

Common Applications and Issues Addressed

  • Replacement for worn or leaking brake master cylinders on Kia Spectra
  • Resolves brake fluid leaks causing reduced braking efficiency
  • Addresses brake pedal sponginess due to internal cylinder wear
  • Restores proper brake pressure and pedal feel
  • Fixes sensor-related brake warning light issues

Installation Notes and Tips

  • Ensure compatibility with Kia Spectra model year before installation
  • Brake fluid must be properly bled after installation to remove air from the system
  • Mounting hardware is not included; reuse existing hardware or acquire separately
  • Handle the sensor connection carefully to maintain electrical integrity
  • Inspect brake lines and fittings for wear or damage during installation

Quality Assurance and Warranty

Dorman manufactures the M630395 brake master cylinder to meet or exceed OEM specifications for Kia Spectra vehicles. The aluminum construction and integrated sensor contribute to reliable brake system performance. While mounting hardware is not included, the product undergoes quality checks to ensure fit and function. Warranty details should be confirmed with the point of purchase or manufacturer documentation.

BrandDorman
Part NumberM630395
Master Cylinder Bore Diameter0.938
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets4
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread Diameter10
Sensor IncludedYes
Thread Pitch1.0

This part fits 2 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2005KiaSpectraAutomaticN/A15/16 In. Bore; Up to July 1st, 2005
2004KiaSpectraAutomatic2.0LL4N/AFits 15/16" bore size drum brakes on multiple vehicle models.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11-3288130.50024585102F300F142417MC391114

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.