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Dorman CM39718 Clutch Master CylinderOE Quality 60-Day Returns
Part #: CM39718

Dorman CM39718 Clutch Master Cylinder

3 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Pontiac, Fiero
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Clutch Master Cylinder for Manual Transmission Service

Dorman CM39718 is a direct replacement clutch master cylinder for specific Pontiac Fiero applications. It is precision-engineered to match the original equipment design, helping restore hydraulic clutch operation on 1984-1986 Pontiac Fiero models.

Key Features

  • Direct replacement clutch master cylinder for manual transmission systems
  • 0.688 bore diameter for the specified OE-style application
  • Standard replacement grade for routine repair service
  • Designed for 1984-1986 Pontiac Fiero fitment
  • Package contents: clutch master cylinder

Detailed Description

This Dorman clutch master cylinder, part number CM39718, is built to match the original equipment design used on select Pontiac Fiero vehicles. It is intended for 1986 Pontiac Fiero models with an 11/16 in. bore and cast iron body, as well as 1984-1985 Pontiac Fiero models with drum brakes and an 11/16 in. bore size. For buyers searching for a Pontiac Fiero clutch master cylinder replacement, CM39718 provides a direct-fit solution for the specified manual transmission hydraulic system.

This part cross-references Sachs SH5094 for the same application.

Common Issues It May Solve

  • Clutch fluid leaking from the master cylinder
  • Soft or inconsistent clutch pedal feel
  • Difficulty disengaging the clutch during shifting
  • Loss of hydraulic pressure in the clutch system
  • Worn or malfunctioning original clutch master cylinder

Installation Notes and Tips

Verify bore diameter and vehicle configuration before installation. This part is listed for 1986 Pontiac Fiero with an 11/16 in. bore and cast iron body, and for 1984-1985 Pontiac Fiero with drum brakes and an 11/16 in. bore size. Confirm the hydraulic line connection and system condition during replacement, and bleed the clutch hydraulic system after installation to remove air.

Quality Assurance

Dorman manufactures this clutch master cylinder as a standard replacement part engineered to match OE design for the listed Pontiac Fiero applications. Part number CM39718 is intended to provide a reliable replacement for the original hydraulic clutch master cylinder in the confirmed fitment range.

BrandDorman
Part NumberCM39718
Bore Diameter0.688
Item GradeStandard replacement
Package ContentsClutch master cylinder

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
1986PontiacFieroN/ABore: 11/16 In.; Cast Iron Body
1985PontiacFieroN/AFits drum brakes with 11/16" bore size.
1984PontiacFieroN/AFits drum brakes with 11/16" 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:

1002632712170136.6200718M2080283971839718CM110113CM1231CMA39718M0407M903105Q-82007SH5094

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

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