Dorman - First Stop Clutch Master Cylinder
Dorman - First Stop Clutch Master Cylinder - view 2
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Dorman - First Stop Clutch Master Cylinder - view 5
Dorman - First Stop Clutch Master Cylinder
Dorman - First Stop Clutch Master Cylinder - view 2
Dorman - First Stop Clutch Master Cylinder - view 3
Dorman - First Stop Clutch Master Cylinder - view 4
Dorman - First Stop Clutch Master Cylinder - view 5

Dorman - First Stop Clutch Master Cylinder P/N:CM39738

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$74.99
MPN: CM39738
Item Package Quantity: 1
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Dorman - First Stop Clutch Master Cylinder P/N:CM39738
Dorman - First Stop Clutch Master Cylinder P/N:CM39738
$74.99

Move hydraulic fluid to the slave cylinder and disengage the clutch with the Dorman - First Stop Clutch Master Cylinder CM39738. It drops in as a direct-fit replacement for the 1985-1987 Jeep Cherokee, 1986-1987 Jeep Comanche and 1985-1986 Jeep Wagoneer, covering the L4-2.1L, L4-2.5L, L6-4.0L and V6-2.8L engines. See the Buyer's Guide tab for the exact year-and-engine combinations.

  • Direct replacement: built to match the original clutch master cylinder on the listed vehicles.
  • Precise design: reverse-engineered from the original equipment to fit and function like the factory unit.
  • 0.688 in inside diameter bore.
  • Durable materials: includes high-grade rubber components compatible with standard brake fluid.
  • Standard Replacement grade; backed by a team of engineers and quality-control experts. Country of origin: Taiwan.

The clutch master cylinder converts pedal effort into hydraulic pressure that travels to the slave cylinder to disengage the clutch. If a leaking or worn master cylinder is the cause of a soft or sinking clutch pedal or hard shifting, this replaces it. Diagnose the cause first, as these symptoms can have other sources.

Interchange: 18M2088 · M0109 · 23-32009 · 2332009 · M903113 · Q-83009 · Q83009 · 12098 · 136.63009 · 53001163 · 8953001163 · CM110267 · 2839738 · CM1263 · 39738 · CMA39738 · SH5022 · F110267. Manufacturer part number CM39738.

This part cross-references / interchanges with the following part numbers:

18M2088, M0109, 23-32009, M903113, Q-83009, 12098, 136.63009, 53001163, 8953001163, CM110267, 2839738, CM1263, 39738, CMA39738, SH5022, F110267

Frequently Asked Questions

What does this clutch master cylinder do?

When you press the clutch pedal, it converts that effort into hydraulic pressure and pushes fluid to the slave cylinder to disengage the clutch. Dorman CM39738 is a direct replacement for the listed Jeep applications.

Which vehicles does CM39738 fit?

It fits the 1985-1987 Jeep Cherokee, 1986-1987 Jeep Comanche and 1985-1986 Jeep Wagoneer with the L4-2.1L, L4-2.5L, L6-4.0L or V6-2.8L engines. See the Buyer's Guide tab for the full list.

What fluid is it compatible with?

It includes high-grade rubber components compatible with standard brake fluid. Follow your vehicle service information for the correct fluid specification and bleeding procedure.

What is the bore size?

The inside diameter is 0.688 in.

What are signs it may need replacing?

A leaking or malfunctioning cylinder, a soft or sinking clutch pedal, or difficulty shifting may be signs. Diagnose the cause before replacing, since these symptoms can have other sources.

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