HomeRaybestos MC391480 Brake Master Cylinder
Part #: MC391480

Raybestos MC391480 Brake Master Cylinder

Element3; New, N/A
19 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$121.62Free 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.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
Element3; New, N/A
Fitment: Mercedes-Benz, CLS550, CLS63 AMG, E320, E350, E550, and E63 AMG
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Raybestos Element3; New Brake Master Cylinder MC391480

The Raybestos Element3; New Brake Master Cylinder MC391480 is engineered for precise hydraulic control in Mercedes-Benz vehicles. Designed specifically for models like the CLS63 AMG, CLS550, E63 AMG, E320, E350, and E550, this master cylinder ensures reliable brake system performance.

  • Constructed from durable aluminum for lightweight strength
  • Features a 1.000-inch bore size for optimal hydraulic pressure
  • Equipped with two mounting holes, each with a 0.354-inch diameter
  • Primary and secondary port threads sized M12x1 for secure brake line connections
  • Compatible with multiple Mercedes-Benz models including AMG and standard trims

Detailed Product Features and Specifications

This brake master cylinder is crafted from aluminum, providing a balance of corrosion resistance and structural integrity. The 1.000-inch bore size is calibrated to deliver consistent hydraulic pressure, essential for effective brake operation. With two mounting holes measuring 0.354 inches in diameter, installation aligns precisely with factory specifications. Both the primary and secondary ports utilize M12x1 threading, ensuring compatibility with OEM brake lines and fittings. The part number MC391480 identifies this specific master cylinder within the Raybestos Element3; New product line, which focuses on delivering reliable brake hydraulics for premium vehicles.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos is designed to meet stringent quality and performance standards for brake hydraulics. This product line emphasizes material quality and precise engineering to maintain brake system integrity in demanding driving conditions. The MC391480 master cylinder is part of this line, offering a direct replacement solution for Mercedes-Benz models requiring exact fitment and reliable hydraulic function.

Applications and Common Issues Addressed

  • Restores proper brake pedal feel and responsiveness in Mercedes-Benz CLS63 AMG and E63 AMG models
  • Eliminates brake fluid leaks caused by worn or damaged master cylinders
  • Resolves inconsistent braking pressure in CLS550, E320, E350, and E550 vehicles
  • Prevents brake system failure due to internal seal wear or corrosion
  • Supports maintenance of brake hydraulics for enhanced vehicle safety

Installation Notes and Tips

  • Ensure compatibility with your specific Mercedes-Benz model before installation
  • Use proper torque specifications for the two mounting holes to avoid damage
  • Bleed the brake system thoroughly after installation to remove air from hydraulic lines
  • Inspect brake lines and fittings for wear or damage during replacement
  • Follow manufacturer guidelines for brake fluid type and maintenance intervals

Quality Assurance and Warranty

Raybestos manufactures the MC391480 master cylinder to meet OEM standards for fit, form, and function. The aluminum construction and precise machining contribute to long service life and consistent performance. While specific warranty details are not provided here, Raybestos products typically come with a limited warranty covering defects in materials and workmanship. Consult product documentation or authorized sources for exact warranty terms.

BrandRaybestos
Part NumberMC391480
PositionElement3; New, N/A
Bore Size1.000
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.354
Mounting Hole Quantity2
Primary Port Thread AM12x1
Secondary Port Thread AM12x1

This part fits 19 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2011Mercedes-BenzCLS550N/AElement3; New
2011Mercedes-BenzCLS63 AMGN/AElement3; New
2010Mercedes-BenzCLS550N/AElement3; New
2010Mercedes-BenzCLS63 AMGN/AElement3; New
2009Mercedes-BenzCLS550N/AElement3; New
2009Mercedes-BenzCLS63 AMGN/AElement3; New
2009Mercedes-BenzE320N/AElement3; New
2009Mercedes-BenzE350BaseN/AElement3; New
2009Mercedes-BenzE3504MaticN/AElement3; New
2009Mercedes-BenzE550N/AElement3; New
2009Mercedes-BenzE63 AMGN/AElement3; New
2008Mercedes-BenzCLS550N/AElement3; New
2008Mercedes-BenzCLS63 AMGN/AElement3; New
2008Mercedes-BenzE320N/AElement3; New
2008Mercedes-BenzE350BaseN/AElement3; New
2008Mercedes-BenzE3504MaticN/AElement3; New
2008Mercedes-BenzE550N/AElement3; New
2008Mercedes-BenzE63 AMGN/AElement3; New
2007Mercedes-BenzE320N/AElement3; 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:

006430170111-377013-3770M630872

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