HomeRaybestos MC391314 Brake Master Cylinder
Part #: MC391314

Raybestos MC391314 Brake Master Cylinder

Element3; New, N/A
2 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Element3; New, N/A
Fitment: Chevrolet and Pontiac, Cobalt and G5
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Reliable Brake Master Cylinder for Chevrolet Cobalt and Pontiac G5

The Raybestos Element3; New Brake Master Cylinder MC391314 is engineered to restore precise brake hydraulics for Chevrolet Cobalt and Pontiac G5 models. Designed with durable aluminum construction and exact fitment specifications, this master cylinder ensures consistent braking performance.

  • Constructed from lightweight, corrosion-resistant aluminum
  • Two mounting holes with 0.374-inch diameter for secure installation
  • Bore size of 0.875 inches for optimal hydraulic pressure
  • Equipped with two ports featuring M12x1 thread size for reliable brake line connections
  • Compatible with Chevrolet Cobalt and Pontiac G5 brake systems

Detailed Specifications and Product Line Information

This brake master cylinder features a 0.875-inch bore size, which is critical for maintaining proper brake fluid pressure and pedal feel. The two mounting holes, each with a diameter of 0.374 inches, provide a stable and precise fit to the vehicle’s firewall or mounting bracket. Both primary and secondary ports use M12x1 threading, ensuring compatibility with standard brake lines on the Chevrolet Cobalt and Pontiac G5.

The Element3; New product line by Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM standards. This line emphasizes quality materials and precise engineering, making it suitable for professional repairs and maintenance on specific vehicle models like the Chevrolet Cobalt and Pontiac G5.

Common Applications and Problem Resolution

  • Restores brake pressure loss due to worn or leaking master cylinder
  • Eliminates spongy or unresponsive brake pedal feel
  • Replaces master cylinders with damaged or corroded aluminum bodies
  • Addresses brake fluid leaks at the master cylinder ports or mounting points
  • Improves overall brake system reliability and safety

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Cobalt and Pontiac G5 before installation
  • Use proper torque specifications on mounting bolts and brake line fittings
  • Bleed the brake system thoroughly after installation to remove air
  • Inspect brake lines and fittings for wear or damage during replacement
  • Follow manufacturer guidelines for brake fluid type and maintenance

Quality Assurance and Warranty

The Raybestos Element3; New Brake Master Cylinder MC391314 is manufactured to meet strict quality control standards. Constructed from aluminum for corrosion resistance and durability, this part is designed to provide consistent performance over time. While specific warranty details may vary, Raybestos products typically include coverage against defects in materials and workmanship. Consult product documentation for exact warranty terms.

BrandRaybestos
Part NumberMC391314
PositionElement3; New, N/A
Bore Size0.875
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.374
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread AM12x1
Secondary Port Thread AM12x1

This part fits 2 vehicles. Search below:

YearMakeModelTransmissionPositionNotes
2008ChevroletCobaltManualN/ACompatible with vehicles equipped with Active Brake Control.; Element3; New
2008PontiacG5ManualN/ACompatible with vehicles equipped with Active Brake Control.; Element3; New

* 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:

130.6215715857886EX0488M4189AM630404MCA630404NM4189A

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