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Dorman - First Stop Brake Master Cylinder P/N:M630154
$106.99
Turn brake-pedal effort into the hydraulic pressure that operates the brakes with the Dorman - First Stop Brake Master Cylinder (P/N M630154). This master cylinder converts the force you apply at the pedal into hydraulic pressure sent through its two outlets to the brake circuits, and it drops in as a direct-fit replacement for the 1999-2004 Jeep Grand Cherokee [All].
Dorman precision-engineers it to match the design, function, and performance of the original unit on the listed application, built entirely from new, high-quality materials.
- Aluminum housing: constructed to match the casting material of the original part for similar performance.
- 1 in bore, two outlets: rearward outlet M10 x 1.0 and secondary outlet thread M12 x 1.0, with a 1 mm primary outlet thread pitch.
- Durable design: 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 rigorous SAE International standards.
Reservoir included. No sensor and no mounting hardware are included; consult the vehicle service information for the correct fasteners and whether they may be reused. Signs the original may need replacing include a pedal that slowly sinks, feels spongy, or unexplained brake-fluid loss. Country of origin: China.
Interchange: 83-40025 · 8340025 · 100-2061 · 1002061 · M-87025 · M87025 · 13689 · 13-2917 · 132917 · 10-2917 · 102917 · 130.58003 · 131.58003 · 5011260AA · 5011260AB · MC504730 · 355-42002 · 35542002 · 5011260 · M3082 · NM3082 · MC390511 · F140676 · MC140676. Manufacturer part number M630154.
This part cross-references / interchanges with the following part numbers:
83-40025, 100-2061, M-87025, 13689, 13-2917, 10-2917, 130.58003, 131.58003, 5011260AA, 5011260AB, MC504730, 355-42002, 5011260, M3082, NM3082, MC390511, F140676, MC140676
Frequently Asked Questions
What vehicle does this master cylinder fit?
It is a direct-fit replacement for the 1999-2004 Jeep Grand Cherokee [All]. Check the Buyer's Guide tab to confirm it matches your vehicle.
Does it come with a reservoir?
Yes, the reservoir is included. It does not include a sensor or mounting hardware; the package contains the master cylinder.
What is the bore and outlet configuration?
It has a 1 in bore and two outlets: a rearward outlet sized M10 x 1.0 and a secondary outlet thread of M12 x 1.0, with a 1 mm primary outlet thread pitch.
Is this a remanufactured unit?
No. It is 100% new, made entirely of new materials rather than remanufactured, and built to meet rigorous SAE International standards.
What does a brake master cylinder do?
It converts the force you apply at the brake pedal into hydraulic pressure, sending it through its outlets to the brake circuits. A sinking or spongy pedal may be a sign it needs replacing.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M630154
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