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Dorman - First Stop Brake Master Cylinder P/N:M630033
$126.99
Convert brake-pedal force into the hydraulic pressure your braking system needs with the Dorman - First Stop Brake Master Cylinder M630033. It drops in as a direct-fit replacement for the 2000-2005 Chevrolet Cavalier [All] and 2000-2005 Pontiac Sunfire [All], precision-engineered to match the design, function, and performance of the original master cylinder on these applications.
- 100% new: built entirely from new materials — not remanufactured — for consistent quality and safety.
- Durable design: the rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- Precise replacement: the aluminum cylinder housing is constructed to match the casting material of the original part for similar performance.
- Built to standard: made to meet rigorous SAE International standards.
This unit has a 0.875 in bore and two outlets: a rearward outlet sized M11 x 1.5 and a secondary outlet thread of M12 x 1.0, with a 1 mm primary outlet thread pitch. A reservoir and fluid-level sensor are included. Mounting hardware is not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Interchange: 174-761 · 174761 · 100-2333 · 1002333 · M-82113 · M82113 · 13553 · 13-2926 · 132926 · 10-2926 · 102926 · 130.62119 · 131.62119 · MC500200 · 355-47089 · 35547089 · 18042801 · M3091 · NM3091 · MC390646 · F139957 · MC139957. Manufacturer part number M630033.
This part cross-references / interchanges with the following part numbers:
174-761, 100-2333, M-82113, 13553, 13-2926, 10-2926, 130.62119, 131.62119, MC500200, 355-47089, 18042801, M3091, NM3091, MC390646, F139957, MC139957
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into the hydraulic pressure sent to the brakes. This M630033 unit is a direct-fit replacement for the listed applications.
Which vehicles does the M630033 fit?
It fits the 2000-2005 Chevrolet Cavalier [All] and 2000-2005 Pontiac Sunfire [All]. See the Buyer's Guide tab to confirm fitment for your vehicle.
Does it include a reservoir and sensor?
Yes. Per the catalog attributes, a reservoir and a fluid-level sensor are both included. Mounting hardware is not included.
What are the key specs?
It has an aluminum housing, a 0.875 in bore, and two outlets: a rearward outlet of M11 x 1.5 and a secondary outlet thread of M12 x 1.0, with a 1 mm primary outlet thread pitch.
What are signs the master cylinder may need replacing?
A slowly sinking or spongy brake pedal or unexplained brake-fluid loss can signal a failing master cylinder. Diagnose the cause first; if the master cylinder is at fault, this M630033 replaces it.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M630033
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