HomeRaybestos MC39531 Brake Master Cylinder
Part #: MC39531

Raybestos MC39531 Brake Master Cylinder

Element3; New, N/A
48 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: Ford and Mercury, LTD, Mustang, Thunderbird, Capri, Cougar, Marquis, Fairmont, Zephyr, and Granada
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Reliable Brake Master Cylinder for Ford and Mercury Vehicles

The Raybestos Element3; New Brake Master Cylinder MC39531 is engineered to restore precise brake hydraulics in select Ford and Mercury models. Designed with durable iron construction and exact fitment specifications, this master cylinder ensures consistent braking performance for vehicles like the Mustang, Cougar, and Thunderbird.

  • Constructed from robust iron material for long-lasting durability
  • Features a 21.000 mm bore size for optimal hydraulic pressure
  • Includes 2 mounting holes with a diameter of 0.413 inches for secure installation
  • Equipped with 2 ports: primary port thread 9/16"-18 and secondary port thread 1/2"-20
  • Compatible with Ford and Mercury models including Capri, Fairmont, LTD, Marquis, Mustang, Thunderbird, and Zephyr

About the Raybestos Element3; New Product Line

The Element3; New line from Raybestos focuses on delivering reliable brake hydraulics components that meet or exceed OEM specifications. This brake master cylinder MC39531 is part of that line, offering precise engineering and material quality designed to maintain the integrity of your vehicle’s braking system. The Element3; New series emphasizes durability and fitment accuracy for a range of Ford and Mercury vehicles.

Detailed Product Description

This brake master cylinder MC39531 is crafted from iron, providing strength and resistance to wear under demanding braking conditions. The 21.000 mm bore size is calibrated to deliver consistent hydraulic pressure, essential for effective brake operation. With two mounting holes sized at 0.413 inches in diameter, installation is straightforward and secure. The unit features two ports with specific thread sizes—9/16"-18 for the primary port and 1/2"-20 for the secondary port—ensuring compatibility with the brake lines of the supported vehicle models.

Common Applications and Problem Solving

  • Restores brake hydraulic pressure in Ford Mustang and Mercury Cougar
  • Replaces worn or leaking master cylinders in Ford Thunderbird and Capri
  • Addresses brake pedal sinking or sponginess in Mercury Marquis and Fairmont
  • Solves fluid leakage issues in Ford LTD and Zephyr brake systems
  • Improves overall brake responsiveness and safety

Installation Notes and Tips

  • Ensure compatibility with your specific Ford or Mercury model before installation
  • Bleed the brake system thoroughly after installation to remove air
  • Check mounting hole alignment and port thread sizes for proper fit
  • Use recommended brake fluid type as specified by the vehicle manufacturer
  • Inspect brake lines and fittings for wear or damage during installation

Quality Assurance and Warranty

The Raybestos Element3; New brake master cylinder MC39531 is manufactured to meet stringent quality standards. Constructed from iron and designed for precise fitment, it supports reliable brake system performance. While specific warranty details are not provided here, Raybestos products typically come with manufacturer-backed quality assurance to ensure durability and function.

BrandRaybestos
Part NumberMC39531
PositionElement3; New, N/A
Bore Size21.000
Master Cylinder MaterialIron
Mounting Hole Diameter0.413
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread A9/16"-18
Secondary Port Thread A1/2"-20

This part fits 48 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
1986FordLTDBaseN/AElement3; New
1986FordLTDBroughamN/AElement3; New
1986FordMustangGTN/AElement3; New
1986FordMustangLXN/AElement3; New
1986FordThunderbirdN/AElement3; New
1986MercuryCapriN/AElement3; New
1986MercuryCougarN/AElement3; New
1986MercuryMarquisN/AElement3; New
1985FordLTDBaseN/AElement3; New
1985FordLTDBroughamN/AElement3; New
1985FordLTDLX BroughamN/AElement3; New
1985FordMustangGTN/AElement3; New
1985FordMustangLXN/AElement3; New
1985FordThunderbirdN/AElement3; New
1985MercuryCapriN/AElement3; New
1985MercuryCougarN/AElement3; New
1985MercuryMarquisN/AElement3; New
1984FordLTDBaseN/AElement3; New
1984FordLTDBroughamN/AElement3; New
1984FordMustangGTN/AElement3; New
1984FordMustangLN/AElement3; New
1984FordMustangLXN/AElement3; New
1984FordThunderbirdN/AElement3; New
1984MercuryCapriN/AElement3; New
1984MercuryCougarN/AElement3; New
1984MercuryMarquisN/AElement3; New
1983FordFairmontN/AElement3; New
1983FordLTDBaseN/AElement3; New
1983FordMustangGLN/AElement3; New
1983FordMustangGLXN/AElement3; New
1983FordMustangGTN/AElement3; New
1983FordMustangLN/AElement3; New
1983FordMustangTurbo GTN/AElement3; New
1983FordThunderbirdN/AElement3; New
1983MercuryCapriN/AElement3; New
1983MercuryCougarN/AElement3; New
1983MercuryMarquisN/AElement3; New
1983MercuryZephyrN/AElement3; New
1982FordFairmontN/AElement3; New
1982FordLTDN/AElement3; New
1982FordMustang5.0LV8N/AElement3; New
1982FordMustang4.2LV8N/AElement3; New
1982FordMustang3.3LL6N/AElement3; New
1982FordThunderbirdN/AElement3; New
1982MercuryCougarN/AElement3; New
1982MercuryZephyrN/AElement3; New
1981FordThunderbirdN/AElement3; New
1981MercuryCougarXR-7N/AFrom 6/81; 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:

10-19071024171216213-1907130.61043131.61043132.61043180701907510272513953166-92-22083-34043CM1750E4DZ2140AEX0132F112311M39531M81043M81043EMC112311MC489MCA39531NMC11444R105808

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