Dorman CM39820 Clutch Master Cylinder

Name: Dorman CM39820 Clutch Master Cylinder
Brand: Dorman
SKU: BKKX-CM39820
Price: 46.63 USD
Availability: InStock

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⚙️ 46 vehicles fit this part

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

🚗Fitment: Mazda, Ford, and Mercury, 6, Escort, Tracer, Protege, MX-3, and 323

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Reliable Clutch Master Cylinder for Ford, Mazda, and Mercury Models

The Dorman CM39820 clutch master cylinder is designed as a standard replacement part for select manual transmission vehicles. Engineered with a 0.625-inch bore diameter, this component ensures consistent hydraulic pressure for smooth clutch operation in Ford, Mazda, and Mercury models.

Standard replacement grade for dependable performance
0.625-inch bore diameter for precise hydraulic control
Includes clutch master cylinder unit ready for installation
Compatible with Ford Escort, Mercury Tracer, Mazda 6, 323, MX-3, and Protege
Part number CM39820 for accurate identification

Product Details and Specifications

The Dorman CM39820 clutch master cylinder is manufactured to meet OEM specifications, providing a reliable hydraulic seal and consistent bore diameter of 0.625 inches. This ensures proper fluid displacement and clutch engagement for manual transmissions. The unit is a direct replacement designed to restore clutch system functionality in vehicles such as the Ford Escort and Mercury Tracer, as well as Mazda models including the 6, 323, MX-3, and Protege. The part number CM39820 helps confirm compatibility and ease of ordering.

Applications and Common Issues Addressed

Restores clutch hydraulic pressure for smooth pedal operation
Eliminates clutch pedal sponginess or sinking issues
Resolves fluid leaks from the master cylinder
Prevents clutch disengagement problems during gear shifts
Addresses inconsistent clutch engagement or pedal travel

Installation Notes and Tips

Installation of the Dorman CM39820 clutch master cylinder requires basic mechanical skills and proper tools. It is important to bleed the clutch hydraulic system thoroughly after installation to remove air and ensure optimal performance. Verify the bore diameter matches the vehicle specifications before installation. Compatible with manual transmission systems on Ford Escort, Mercury Tracer, Mazda 6, 323, MX-3, and Protege models.

Quality Assurance and Warranty Information

Dorman provides this clutch master cylinder as a standard replacement part, manufactured to meet industry standards for durability and performance. While specific warranty details may vary, Dorman typically offers coverage against defects in materials and workmanship. Using part number CM39820 ensures you receive a component designed for reliable operation in your Ford, Mazda, or Mercury vehicle.

Brand	Dorman
Part Number	CM39820
Bore Diameter	0.625
Item Grade	Standard Replacement
Package Contents	Clutch Master Cylinder

This part fits 46 vehicles. Search below:

Year	Make	Model	Position	Notes
2008	Mazda	6	N/A
2007	Mazda	6	N/A
2006	Mazda	6	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005	Mazda	6	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004	Mazda	6	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003	Mazda	6	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1997	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1996	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995	Mazda	MX-3	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1995	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994	Mazda	323	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994	Mazda	MX-3	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1994	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993	Mazda	323	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993	Mazda	MX-3	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1993	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992	Mazda	323	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992	Mazda	MX-3	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1992	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1991	Ford	Escort	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1991	Mazda	323	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1991	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1991	Mercury	Tracer	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1990	Mazda	323	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.
1990	Mazda	Protege	N/A	Compatible with drum brake wheel cylinders featuring a 5/8" bore size.

* 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:

072-881412665136.4540018M21171S4Z7A543AA23-1440039820BC6D41990ACM1146CM122469CMA39820LMC165M0734M903142Q-53400

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