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Dorman - First Stop Brake Master Cylinder P/N:M630823
$173.99
Build the hydraulic pressure that stops your truck with the Dorman - First Stop Brake Master Cylinder M630823. It drops in as a direct-fit replacement for the 1967-1969 Chevrolet C50 (All), converting brake-pedal force into the fluid pressure that actuates the braking system. A worn or leaking master cylinder can cause a sinking or spongy pedal; if the original unit is the cause, this replaces it.
- Cast iron housing: constructed to match the casting material of the original part for similar performance.
- Sized to spec: 23 mm bore diameter, a single outlet, and a 1/2-20 rearward outlet size.
- Durable rubber: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely of new materials, not remanufactured, and built to meet SAE International standards.
The reservoir is included, while a sensor and mounting hardware are not; consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Interchange: 13-36366 · 1336366 · 10-36366 · 1036366 · Manufacturer part number M630823
This part cross-references / interchanges with the following part numbers:
13-36366, 10-36366
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic fluid pressure that actuates the braking system. If a failed master cylinder is the cause of a sinking or spongy pedal, this replaces it.
What vehicle does the M630823 fit?
It is a direct-fit replacement for the 1967-1969 Chevrolet C50 (All). Check the Buyer's Guide tab to confirm it matches your vehicle.
Is the reservoir included?
Yes. The reservoir is included. A sensor and mounting hardware are not included.
What are the key specifications?
It has a cast iron housing, a 23 mm bore diameter, a single outlet, and a 1/2-20 rearward outlet size. All rubber components use an EPDM compound resistant to glycol-based brake fluid.
What numbers does this part interchange with?
It interchanges with 13-36366 (1336366) and 10-36366 (1036366). Its own manufacturer part number is M630823.
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Dorman - First Stop Brake Master Cylinder P/N:M630823
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