HomeBrake > Brake HydraulicsDorman M134437 Brake Master Cylinder
Part #: M134437

Dorman M134437 Brake Master Cylinder

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17 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge, Viper, Dakota, and Durango
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Reliable Brake Master Cylinder for Dodge Dakota, Durango, and Viper

The Dorman M134437 Brake Master Cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for Dodge Dakota, Durango, and Viper models, this master cylinder ensures precise brake control and safety.

  • Master cylinder bore diameter: 1.125 inches for optimal hydraulic performance
  • Constructed from durable aluminum material for corrosion resistance and longevity
  • Includes reservoir and sensor for integrated brake fluid monitoring
  • Equipped with two outlets: rearward outlet size M10 x 1.0 and secondary outlet thread diameter M12 x 1.0
  • Thread pitch of 1.0 ensures secure and proper fitting
  • Package contains the master cylinder only; mounting hardware not included

Detailed Product Description

The Dorman M134437 Brake Master Cylinder is a critical component in the brake hydraulics system of Dodge Dakota, Durango, and Viper vehicles. Its 1.125-inch bore diameter is designed to deliver the correct hydraulic pressure needed for effective braking. Made from aluminum, this master cylinder offers resistance to rust and wear, extending the service life of your brake system. The included reservoir and sensor allow for real-time monitoring of brake fluid levels, enhancing safety and maintenance convenience. With two outlets featuring precise thread sizes (M10 x 1.0 rearward outlet and M12 x 1.0 secondary outlet), this part ensures compatibility with the vehicle’s brake lines and fittings.

Common Applications and Issues Addressed

  • Restores proper brake pedal feel and responsiveness
  • Eliminates brake fluid leaks caused by worn or damaged master cylinders
  • Resolves brake warning light activation due to sensor faults
  • Prevents brake system failure from internal seal wear or corrosion
  • Improves overall brake system reliability in Dodge Dakota, Durango, and Viper models

Installation Notes and Tips

  • Ensure brake fluid reservoir is properly filled before installation
  • Bleed the brake system thoroughly after replacing the master cylinder to remove air
  • Verify thread pitch and outlet sizes match vehicle brake line fittings
  • Use appropriate tools to avoid damaging aluminum surfaces during installation
  • Mounting hardware is not included; reuse existing hardware or source separately

Quality Assurance and Warranty

Dorman manufactures the M134437 Brake Master Cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor contribute to reliable performance under normal operating conditions. While specific warranty details may vary, Dorman typically offers coverage against defects in materials and workmanship to ensure customer confidence in the product.

BrandDorman
Part NumberM134437
Master Cylinder Bore Diameter1.125
Master Cylinder MaterialAluminum
Mounting Hardware IncludedNo
Number of Outlets2
Package ContentsMaster Cylinder
Rearward Outlet SizeM10 X 1.0
Reservoir IncludedYes
Secondary Outlet Thread DiameterM12 X 1.0
Sensor IncludedYes
Thread Pitch1.0

This part fits 17 vehicles. Search below:

YearMakeModelPositionNotes
2009DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2008DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2006DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2005DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2004DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2004DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2003DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2003DodgeDurangoN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2003DodgeViperN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2002DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2002DodgeDurangoN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2001DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2001DodgeDurangoN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2000DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
2000DodgeDurangoN/AFits 15/16" bore size drum brakes on multiple vehicle models.
1999DodgeDakotaN/AFits 15/16" bore size drum brakes on multiple vehicle models.
1999DodgeDurangoN/AFits 15/16" bore size drum brakes on multiple vehicle models.

* 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:

10-296713-2967130.67025136635013131AAF134437M-87026M3061MC390508MC504700

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