HomeRaybestos MC39712 Brake Master Cylinder
Part #: MC39712

Raybestos MC39712 Brake Master Cylinder

Element3; New, N/A
38 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: Dodge, D250, D350, W250, and W350
Easy Returns — Return within 60 days for a full refund
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Reliable Brake Master Cylinder for Dodge D250, D350, W250, W350

The Raybestos Element3; New Brake Master Cylinder MC39712 is engineered to restore precise brake hydraulics for your Dodge truck. Designed specifically for Dodge D250, D350, W250, and W350 models, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.

  • Constructed from durable aluminum for corrosion resistance and longevity
  • Features a 1.125-inch bore size for optimal hydraulic performance
  • Includes two mounting holes with a diameter of 0.433 inches for secure installation
  • Equipped with two ports: primary port thread 9/16"-20 and secondary port thread 1/2"-20
  • Compatible with Dodge D250, D350, W250, and W350 models

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 product line emphasizes quality materials and precise engineering, making the MC39712 master cylinder a dependable choice for maintaining brake system integrity in Dodge trucks.

Detailed Product Description

The MC39712 brake master cylinder is crafted from aluminum, providing a lightweight yet robust solution for brake hydraulic needs. Its 1.125-inch bore size is designed to deliver consistent hydraulic pressure, essential for effective braking performance. The two mounting holes, each with a 0.433-inch diameter, allow for a secure and stable fitment on compatible Dodge models. Additionally, the master cylinder features two ports with specific thread sizes—9/16"-20 for the primary port and 1/2"-20 for the secondary port—ensuring proper connection to the brake lines.

Common Applications and Issues Addressed

  • Restores brake fluid pressure in Dodge D250, D350, W250, and W350 trucks
  • Replaces worn or leaking master cylinders causing brake pedal sponginess
  • Solves brake fluid leaks that reduce braking efficiency
  • Addresses inconsistent brake pedal feel due to internal cylinder wear
  • Improves overall brake system responsiveness and safety

Installation Notes and Tips

When installing the Raybestos MC39712 master cylinder, ensure the mounting holes align precisely with the vehicle’s brake booster or firewall. Use the correct thread sizes for the primary and secondary ports to avoid cross-threading. Bleed the brake system thoroughly after installation to remove air and restore proper hydraulic pressure. It is recommended to inspect brake lines and related components during installation for any signs of wear or damage.

Quality Assurance and Warranty

Raybestos manufactures the MC39712 master cylinder to meet stringent quality standards, using corrosion-resistant aluminum and precise machining. This part is backed by Raybestos’ quality assurance protocols, ensuring reliable performance in Dodge D250, D350, W250, and W350 trucks. Please refer to Raybestos’ official warranty terms for coverage details.

BrandRaybestos
Part NumberMC39712
PositionElement3; New, N/A
Bore Size1.125
Master Cylinder MaterialAluminum
Mounting Hole Diameter0.433
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread A9/16"-20
Secondary Port Thread A1/2"-20

This part fits 38 vehicles. Search below:

YearMakeModelPositionNotes
1993DodgeD250N/AElement3; New
1993DodgeD350N/AElement3; New
1993DodgeW250N/AElement3; New
1993DodgeW350N/AElement3; New
1992DodgeD250N/AElement3; New
1992DodgeD350N/AElement3; New
1992DodgeW250N/AElement3; New
1992DodgeW350N/AElement3; New
1991DodgeD250N/AElement3; New
1991DodgeD350N/AElement3; New
1991DodgeW250N/AElement3; New
1991DodgeW350N/AElement3; New
1990DodgeD250N/AElement3; New
1990DodgeD350N/AElement3; New
1990DodgeW250N/AElement3; New
1990DodgeW350N/AElement3; New
1989DodgeD250N/AElement3; New
1989DodgeD350N/AElement3; New
1989DodgeW250N/AElement3; New
1989DodgeW350N/AElement3; New
1988DodgeD250N/AFits with 4500lb axles.; Element3; New
1988DodgeD350N/AFits with 4500lb axles.; Element3; New
1988DodgeW250N/AFits with 4500lb axles.; Element3; New
1988DodgeW350N/AFits with 4500lb axles.; Element3; New
1987DodgeD250N/AFits with 4500lb axles.; Element3; New
1987DodgeD350N/AFits with 4500lb axles.; Element3; New
1987DodgeW250N/AFits with 4500lb axles.; Element3; New
1987DodgeW350N/AFits with 4500lb axles.; Element3; New
1986DodgeD250N/AFits with 4500lb axles.; Element3; New
1986DodgeD350N/AFits with 4500lb axles.; Element3; New
1986DodgeW250N/AFits with 4500lb axles.; Element3; New
1986DodgeW350N/AFits with 4500lb axles.; Element3; New
1985DodgeD350N/AFits with 4500lb axles.; Element3; New
1985DodgeW250N/AFits with 4500lb axles.; Element3; New
1985DodgeW350N/AFits with 4500lb axles.; Element3; New
1984DodgeD350N/AFits with 4500lb axles.; Element3; New
1984DodgeW250N/AFits with 4500lb axles.; Element3; New
1984DodgeW350N/AFits with 4500lb axles.; 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:

0411265410-17751177513-1775130.67006131.6700617584112654513971260218466-91-300783-4000683-40006CM1830E-8243E150264EX0163F98896M2326M39712M87006MC425MC98896MCA39712NM1775NMC11374R418243R98896SMC150264

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