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Dorman - First Stop Brake Master Cylinder P/N:M630326
$137.99
Convert brake-pedal force into firm, reliable hydraulic pressure with the Dorman - First Stop Brake Master Cylinder M630326. It drops in as a direct-fit replacement for the 2004-2005 Buick LeSabre, 2004-2005 Buick Park Avenue, 2004-2005 Cadillac DeVille, and 2004-2005 Pontiac Bonneville (all engines), sending brake fluid through two outlets to operate the vehicle's braking system.
- Precision replacement: engineered to reproduce the design, function, and performance of the original master cylinder on the listed applications.
- Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
- Durable rubber components: all rubber parts use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: made entirely from new materials, not remanufactured, and built to meet rigorous SAE International standards.
It features a 1-inch bore diameter with two outlets and an M12 x 1.0 rearward/secondary outlet thread. The reservoir and 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: 174-1005 · 1741005 · 100-2344 · 1002344 · 13927 · 10-2714 · 102714 · 130.62131 · 13062131 · MC512680 · 355-45019 · 35545019 · 18048572 · NM2714B · MC390884 · F141093 · MC141093 · Manufacturer part number M630326.
This part cross-references / interchanges with the following part numbers:
174-1005, 100-2344, 13927, 10-2714, 130.62131, MC512680, 355-45019, 18048572, NM2714B, MC390884, F141093, MC141093
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force you apply to the brake pedal into hydraulic pressure, sending brake fluid through two outlets to operate the vehicle's braking system.
Which vehicles does this fit?
It's a direct-fit replacement for the 2004-2005 Buick LeSabre and Park Avenue, the 2004-2005 Cadillac DeVille, and the 2004-2005 Pontiac Bonneville (all engines).
Are the reservoir and sensor included?
Yes. Both the reservoir and sensor are included. Mounting hardware is not included.
What are the bore size and outlet specs?
It has a 1-inch bore diameter with two outlets and an M12 x 1.0 rearward/secondary outlet thread.
Is this a remanufactured unit?
No. It is 100% new, made entirely from new materials rather than remanufactured, and built to meet rigorous SAE International standards.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M630326
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