Product Description
M39649 MC116627 Brake Master Cylinder Select Chevrolet / Dodge / GMC Models
This 31.75mm brake master cylinder (part numbers M39649, MC116627) operates by converting mechanical force from the brake pedal into hydraulic pressure, which activates the brake mechanisms for secure stopping power. It is specifically designed for classic Chevrolet, Dodge, and GMC truck models, including the 1988-1994 C/K series, ensuring dependable braking under various driving conditions.
We support B2B brake component customization with options for logo, packaging, color, and material, all compliant with ISO9001/IATF16949 standards.
Related Questions
1.How to get air out of master cylinder without removing?
Pump/hold – The brake pedal is held down with the bleeder screw open to let the air out. Pressure – With a pressure pump attached to the master cylinder, bleeder valves are opened to remove the air. Reverse – The pump forces fluid from the bleeder valve back out of the master cylinder.
2.How to test a master cylinder at home?
Use a screwdriver to press and hold the plunger in the rear of the master cylinder. The plunger should be very firm, if not immovable, past a few millimeters. If the plunger keeps moving in, this indicates a fault of at least one of the internal seals.
3.Do you leave the brake fluid cap open when bleeding brakes?
Locate your brake master cylinder reservoir’s brake fluid level, usually located under-the-hood. Ensure that your car has the appropriate amount of fluid. While you’re bleeding the brakes, you’ll want to be sure that you leave the master cylinder cap unscrewed but rest it on top of the reservoir.
4.Should a brake pedal slowly sink to the floor?
If your brake pedal is sinking to the floor most likely you have an issue with your brake fluid. The braking system on most modern vehicles works by a hydraulic system. A hydraulic brake system is filled with fluid.
5.What are the different types of brake cylinders?
Brake cylinders are critical hydraulic components found in vehicles and machinery that utilize hydraulic braking systems. There are two main types: master cylinders and wheel cylinders. The master cylinder converts the mechanical force from the brake pedal into hydraulic pressure.
Product Information
| Product Name | M39649 MC116627 Brake Master Cylinder |
| OE Numbers | MC116627, 18M364, F116627, M900570, 18013978, 18030606, 18060087, 19176354, M39649, 174-669 |
| Bore Size | 1-1/4″ = 31.75mm |
| Thread Size | 1/2″-20 & 9/16″-18 |
| Material | Cast Iron |
| Vehicle Fit | Chevrolet: 1988-1994 C1500, K1500, K2500, C2500, C3500, K3500; GMC: 1994 Yukon,
1988-1994 C1500, K1500 |
| Replacement For | Fits Chevrolet K3500 5.7L/7.4L, C1500 6.2L, C2500 4.3L/5.0L/5.7L/6.2L, C3500 5.7L (1988-1994) |

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