Tackle a leaking or malfunctioning clutch master cylinder with the Dorman First Stop Clutch Master Cylinder CM116209. This direct replacement is built to match the original clutch master, and it turns clutch-pedal effort into hydraulic pressure for the clutch release system. It fits many Chevrolet and GMC trucks, among them the 1988-1991 Chevrolet C1500 4.3L / 5.0L / 5.7L / 6.2L / 7.4L, 1988-1991 Chevrolet K1500 4.3L / 5.0L / 5.7L / 6.2L and 1988-1991 Chevrolet C2500 4.3L / 5.0L / 5.7L / 6.2L / 7.4L. See the "Vehicles it fits" section for the full list.
- Direct replacement: built to match the original clutch master cylinder on the listed vehicles.
- Precise design: reverse-engineered from original equipment and designed to fit seamlessly and function reliably.
- Durable materials: includes high-grade rubber components that are compatible with standard brake fluid.
- Trustworthy value: backed by Dorman's team of engineers and quality control experts in the United States.
Specifications: inside diameter 0.688 in; outlet thread size M12 x 1.0; port thread diameter M12. Item grade: standard replacement. Package contents: one clutch master cylinder. The listed applications cover V6-4.3L, V8-5.0L, V8-5.7L, V8-6.2L and V8-7.4L engines and use one cylinder per vehicle. Country of origin: China.
Signs this part may need replacing include fluid leaking at the cylinder, a soft or sinking clutch pedal, or trouble disengaging the clutch for smooth shifts. Diagnose the cause before replacing anything, because the slave cylinder, the hydraulic line or the clutch itself can produce similar symptoms.
Interchange: 385-369 · 23-36006 · Q-82006 · 136.62006 · 137.62006
385369 · 2336006 · Q82006 · 13662006 · 13762006 · 18M2112 · M0406 · M903137 · 12348 · CM119584 · 15585414 · 15585418 · 15616090 · LMC134 · 2839813 · CM1230 · 39813 · SH5020 · F119584
This part cross-references / interchanges with the following part numbers:
18M2112, 385-369, M0406, 23-36006, M903137, Q-82006, 12348, 136.62006, 137.62006, CM119584, 15585414, 15585418, 15616090, LMC134, 2839813, CM1230, 39813, SH5020, F119584
Frequently Asked Questions
What does a clutch master cylinder do?
When you press the clutch pedal, it converts that effort into hydraulic pressure. That pressure travels to the clutch release system and allows the clutch to disengage.
Is this the right 1988-1991 Chevrolet C1500 4.3L / 5.0L / 5.7L / 6.2L / 7.4L clutch master cylinder?
Yes. CM116209 is listed as a direct-fit replacement for the 1988-1991 Chevrolet C1500 4.3L / 5.0L / 5.7L / 6.2L / 7.4L. Engine coverage varies by year, so match your engine in the "Vehicles it fits" section.
What are the specifications of Dorman CM116209?
It has a 0.688 in inside diameter, an M12 x 1.0 outlet thread size and an M12 port thread diameter. It includes high-grade rubber components compatible with standard brake fluid.
What are signs a clutch master cylinder may need replacing?
Common signs include fluid leaks at the cylinder, a soft or sinking clutch pedal, and hard shifting when the clutch won't fully disengage. Diagnose first, since other clutch parts can cause similar symptoms.
Does the clutch system need bleeding after installation?
Typically, yes. A hydraulic clutch generally needs bleeding after the master cylinder is replaced. Follow your vehicle's service information for the correct fluid and bleeding procedure.
