HomeRaybestos MC391346 Brake Master Cylinder
Part #: MC391346

Raybestos MC391346 Brake Master Cylinder

Element3; New, N/A
14 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$179.69Free 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: Audi, Seat, and Volkswagen, A3 Quattro, Leon, Golf, and A3
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 MC391346

The Raybestos Element3; New Brake Master Cylinder MC391346 is engineered for reliable brake hydraulics performance in select Audi and Volkswagen models. Designed with precision, this aluminum master cylinder ensures consistent braking response for vehicles like the Audi A3, A3 Quattro, and Volkswagen Golf.

  • Constructed from durable aluminum for corrosion resistance
  • Two mounting holes with 0.342-inch diameter for secure installation
  • Bore size of 0.875 inches for optimal hydraulic pressure
  • Equipped with two ports featuring M12x1 thread size for compatibility
  • Compatible with Audi A3, A3 Quattro, and Volkswagen Golf models

Detailed Product Features and Specifications

This brake master cylinder, part number MC391346, is crafted from aluminum, providing a lightweight yet sturdy component essential for brake hydraulics. It features two mounting holes, each with a diameter of 0.342 inches, ensuring a precise fit and secure attachment to the vehicle’s brake system. The bore size of 0.875 inches is designed to deliver the correct hydraulic pressure needed for effective braking. Additionally, the master cylinder includes two ports, both threaded M12x1, facilitating proper brake line connections and fluid flow.

About the Raybestos Element3; New Product Line

The Element3; New line by Raybestos focuses on delivering reliable brake components that meet or exceed OEM specifications. This product line emphasizes quality materials and precise engineering, making it suitable for maintaining the integrity of brake hydraulics in vehicles such as the Audi A3 and Volkswagen Golf. The MC391346 master cylinder is part of this line, reflecting Raybestos’ commitment to durability and performance in brake system components.

Applications and Common Issues Addressed

  • Replacement for worn or leaking brake master cylinders in Audi A3, A3 Quattro, and Volkswagen Golf
  • Restores proper hydraulic pressure for consistent brake pedal feel
  • Eliminates brake fluid leaks caused by damaged seals or corrosion
  • Resolves spongy or unresponsive brake pedal issues
  • Prevents brake system failure due to master cylinder malfunction

Installation Notes and Tips

When installing the Raybestos MC391346 brake master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the specified 0.342-inch diameter mounting holes for secure attachment. Properly thread brake lines into the M12x1 ports to avoid leaks. Bleed the brake system thoroughly after installation to remove air and restore optimal hydraulic function. It is recommended to inspect related brake components during installation for overall system integrity.

Quality Assurance and Warranty Information

Raybestos manufactures the MC391346 master cylinder to meet stringent quality standards, using corrosion-resistant aluminum and precision machining. This part is designed to provide reliable service life under normal operating conditions. Warranty coverage details should be confirmed with the product documentation or supplier, as Raybestos typically offers limited warranties covering defects in materials and workmanship.

BrandRaybestos
Part NumberMC391346
PositionElement3; New, N/A
Bore Size0.875
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.342
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread AM12x1
Secondary Port Thread AM12x1

This part fits 14 vehicles. Search below:

YearMakeModelPositionNotes
2011AudiA3N/ALeft Hand Drive; Raybestos Element 3
2011AudiA3 QuattroN/Aw/ Bosch Master Cylinder; Left Hand Drive; Element3; New
2011VolkswagenGolfN/Aw/ Bosch Brakes; Element3; New
2010AudiA3N/ALeft Hand Drive; Raybestos Element 3
2010AudiA3 QuattroN/Aw/ Bosch Master Cylinder; Left Hand Drive; Element3; New
2010VolkswagenGolfN/Aw/ Bosch Brakes; Seventh and Eighth Digit of VIN is AJ or 1K; Element3; New
2009AudiA3N/ALeft Hand Drive; Raybestos Element 3
2009AudiA3 QuattroN/Aw/ Bosch Master Cylinder; Left Hand Drive; Element3; New
2008AudiA3N/Aw/ Bosch Master Cylinder; Element3; New
2008AudiA3 QuattroN/Aw/ Bosch Master Cylinder; Element3; New
2007AudiA3N/Aw/ Bosch Master Cylinder; Element3; New
2007AudiA3 QuattroN/Aw/ Bosch Master Cylinder; Element3; New
2006AudiA3N/Aw/ Bosch Master Cylinder; Element3; New
2006AudiA3 QuattroN/Aw/ Bosch Master Cylinder; 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:

13-36741K1614019B1K1614019F648247M630401M630749

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