Dorman M390302 Brake Master Cylinder

Name: Dorman M390302 Brake Master Cylinder
Brand: Dorman
SKU: BKKX-M390302
Price: 93.51 USD
Availability: InStock

N/A

31 vehicles fit this part

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OE Direct Replacement — Bolt-on fit, no modifications needed

Fitment: Chrysler, Dodge, Mitsubishi, and Eagle, Sebring, Avenger, Galant, Talon, and Eclipse

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Reliable Brake Master Cylinder for Chrysler, Dodge, and Mitsubishi

The Dorman M390302 brake master cylinder is engineered to provide consistent hydraulic pressure for your vehicle's braking system. Designed specifically for Chrysler Avenger, Dodge Sebring, and Mitsubishi Eclipse and Galant models, this aluminum master cylinder ensures precise brake control and durability.

Master cylinder bore diameter: 0.938 inches for accurate hydraulic performance
Constructed from durable aluminum material for corrosion resistance
Includes two outlets with rearward outlet size M10 x 1.0 and thread pitch 1.0
Secondary outlet thread diameter of 10 mm for secure brake line connections
Package contains the master cylinder only; mounting hardware and reservoir are not included
No sensor included, compatible with vehicles using separate brake fluid sensors

Detailed Product Description

The Dorman M390302 brake master cylinder is a direct replacement part designed to restore proper brake hydraulics in select Chrysler, Dodge, and Mitsubishi vehicles. Its 0.938-inch bore diameter provides the necessary hydraulic pressure to operate the brake calipers and wheel cylinders effectively. Manufactured from aluminum, this master cylinder offers resistance to rust and wear, extending the service life of your braking system. The unit features two outlets with a rearward outlet size of M10 x 1.0 and a thread pitch of 1.0, ensuring compatibility with factory brake lines. This part does not include a reservoir or mounting hardware, so those components must be reused or sourced separately.

Common Applications and Issues Addressed

Restores brake pressure loss caused by a failing master cylinder
Eliminates spongy or unresponsive brake pedal feel
Resolves internal leaks within the brake hydraulic system
Prevents brake fluid contamination and maintains system integrity
Addresses brake failure symptoms in Chrysler Avenger, Dodge Sebring, Mitsubishi Eclipse, and Galant models

Installation Notes and Tips

Ensure the brake fluid reservoir is compatible and properly connected, as this master cylinder does not include one
Bleed the brake system thoroughly after installation to remove air and ensure optimal brake performance
Verify outlet thread sizes (M10 x 1.0) match your vehicle’s brake lines before installation
Use appropriate tools to avoid damaging the aluminum housing during mounting

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The M390302 brake master cylinder undergoes rigorous quality control to ensure reliable performance in your Chrysler, Dodge, or Mitsubishi vehicle. Please refer to Dorman’s warranty policy for specific coverage details.

Brand	Dorman
Part Number	M390302
Master Cylinder Bore Diameter	0.938
Master Cylinder Material	Aluminum
Mounting Hardware Included	No
Number of Outlets	2
Package Contents	Master Cylinder
Rearward Outlet Size	M10 X 1.0
Reservoir Included	No
Secondary Outlet Thread Diameter	10
Sensor Included	No
Thread Pitch	1.0

This part fits 31 vehicles. Search below:

Year	Make	Model	Submodel	Body Type	Position	Notes
2000	Chrysler	Sebring			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
2000	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1999	Chrysler	Sebring		Coupe	N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1999	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1999	Mitsubishi	Galant			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Chrysler	Sebring		Coupe	N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Mitsubishi	Eclipse	RS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Mitsubishi	Eclipse	GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Mitsubishi	Eclipse	GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Mitsubishi	Eclipse	Spyder GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1998	Mitsubishi	Eclipse	Spyder GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Chrysler	Sebring		Coupe	N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	RS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	Base		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	Spyder GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1997	Mitsubishi	Eclipse	Spyder GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	RS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	Base		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	Spyder GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1996	Mitsubishi	Eclipse	Spyder GST		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1995	Dodge	Avenger			N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1995	Mitsubishi	Eclipse	RS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1995	Mitsubishi	Eclipse	GS		N/A	Fits 15/16" bore size drum brakes on multiple vehicle models.
1995	Mitsubishi	Eclipse	GST		N/A	Fits 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:

072-949310-281913-2702130.460061304218M76047597383-16006F128280M-52006M52702M900982MB895871MC390302MC500020MR307801

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