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Dorman - First Stop Brake Master Cylinder P/N:M630487
$164.99
Turn every push of the brake pedal into the hydraulic pressure your brakes depend on with the Dorman - First Stop Brake Master Cylinder M630487. It drops in as a direct-fit replacement for the 2006-2008 Chevrolet HHR (All engines), precision-engineered to reproduce the design, function, and performance of the factory master cylinder on the listed application.
- Aluminum housing: the cylinder housing is constructed to match the casting material of the original part for similar performance.
- EPDM seals: all rubber components use a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: built entirely from new materials — not remanufactured — and made to meet rigorous SAE International standards.
- Ready to plumb: a 0.938 in bore feeds two outlets (rearward M10 x 1.0, secondary M12 x 1.0), and a 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. Signs a master cylinder may need replacing include a sinking or spongy pedal and internal fluid leaks. Country of origin: China.
Interchange: 174-1153, 1741153 · 100-2356, 1002356 · 13-3281, 133281 · 10-3281, 103281 · 130.62144 · 355-47098, 35547098 · 15939484 · 22725390 · NM4110A · MC391329 · F144411 · F900052 · MC144411 · MWMMC900052 · Manufacturer part number M630487
This part cross-references / interchanges with the following part numbers:
174-1153, 100-2356, 13-3281, 10-3281, 130.62144, 355-47098, 15939484, 22725390, NM4110A, MC391329, F144411, F900052, MC144411, MWMMC900052
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure and sends it through two outlets to operate the brake system. Signs it may need replacing include a sinking or spongy pedal and internal fluid leaks.
Will this fit my vehicle?
It's a direct-fit replacement for the 2006-2008 Chevrolet HHR (All engines). Check the Buyer's Guide tab and your interchange number to confirm it matches your vehicle.
Are the reservoir and sensor included?
Yes. A reservoir and sensor are both included, and the cylinder has two outlets with a 0.938 in bore.
Is mounting hardware included?
No, mounting hardware is not included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
Is this master cylinder remanufactured?
No. It's 100% new — built entirely from new materials, not remanufactured — and made to meet SAE International standards.
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Dorman - First Stop Brake Master Cylinder P/N:M630487
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