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Dorman - First Stop Brake Master Cylinder P/N:M390370
$67.99
Turn brake-pedal effort into the hydraulic pressure your brakes need with the Dorman - First Stop Brake Master Cylinder M390370. It's a direct-fit replacement for the 1997-2003 Ford Taurus and 1997-2003 Mercury Sable (all engines), engineered to match the design, function, and performance of the original master cylinder on those applications.
- Aluminum housing: constructed to match the casting material of the original part for similar performance.
- EPDM rubber components: made of a high-quality EPDM compound for resistance to glycol-based brake fluid.
- Dual-outlet, 1 in bore: two outlets — rearward outlet M10 x 1.0 and secondary outlet M12 x 1.0, with a 1 mm primary outlet thread pitch — feeding both brake circuits from a 1-inch bore.
- 100% new: made entirely of new materials, not remanufactured, and built to meet rigorous SAE International standards.
This listing includes the reservoir and sensor. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused. Signs the original may need replacing include a brake pedal that slowly sinks, low or dropping fluid level, or a spongy pedal feel — have the cause diagnosed first, since these can have other sources. Country of origin: China.
Interchange: 18M1427 · 18M798 · 783-34091 · 78334091 · 83-34091 · 8334091 · M901031 · 100-2162 · 1002162 · M-81091 · M81091 · 13167 · 13-2732 · 132732 · 10-2732 · 102732 · 10-3114 · 103114 · 130.61091 · 131.61091 · 131.61119 · MC250380 · 355-54069 · 35554069 · 355-54084 · 35554084 · 3F1Z2140AA · F7DZ2140AA · M2732A · NM2732 · NM2732A · BRMC-18 · BRMC18 · MC390370 · F131924 · MC131924. Manufacturer part number M390370.
This part cross-references / interchanges with the following part numbers:
18M1427, 18M798, 783-34091, 83-34091, M901031, 100-2162, M-81091, 13167, 13-2732, 10-2732, 10-3114, 130.61091, 131.61091, 131.61119, MC250380, 355-54069, 355-54084, 3F1Z2140AA, F7DZ2140AA, M2732A, NM2732, NM2732A, BRMC-18, MC390370, F131924, MC131924
Frequently Asked Questions
What does this brake master cylinder do?
It converts brake-pedal force into hydraulic pressure sent through its two outlets to the brake circuits. If a failed master cylinder is the cause of a sinking or spongy pedal, this replaces it.
Does it fit my vehicle?
It's a direct-fit replacement for the 1997-2003 Ford Taurus and 1997-2003 Mercury Sable (all engines). Check the Buyer's Guide tab to confirm your specific vehicle.
Are the reservoir and sensor included?
Yes — this listing includes the reservoir and the sensor. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What is it made of?
The housing is aluminum, constructed to match the casting material of the original part, and all rubber components use a high-quality EPDM compound that resists glycol-based brake fluid.
Is this a remanufactured unit?
No. It's 100% new, made entirely of 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:M390370
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