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Dorman - First Stop Brake Master Cylinder P/N:M390125
$119.99
Turn brake-pedal effort into the hydraulic pressure your brakes rely on with the Dorman - First Stop Brake Master Cylinder M390125. It drops in as a direct-fit replacement for the 1993 Ford Mustang (All engines), pressurizing brake fluid to the outlets when you press the pedal.
- Aluminum housing: built to match the casting material of the original part for similar performance.
- 1-inch bore, two outlets: rearward outlet M10 x 1.0 and secondary outlet thread M12 x 1.0.
- Durable seals: 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 made to meet SAE International standards.
The reservoir and sensor are included; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused.
Interchange: 18M638 · 83-34060 · 8334060 · M900849 · 100-3797 · 1003797 · M-81060 · M81060 · 12669 · 10-3706 · 103706 · 130.61060 · 131.61060 · MC502990 · 355-54045 · 35554045 · F3ZZ2140A · M3042 · NM3042 · MC390125 · F129290 · MC129290
Manufacturer part number M390125. Country of origin: Taiwan.
This part cross-references / interchanges with the following part numbers:
18M638, 83-34060, M900849, 100-3797, M-81060, 12669, 10-3706, 130.61060, 131.61060, MC502990, 355-54045, F3ZZ2140A, M3042, NM3042, MC390125, F129290, MC129290
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure, sending brake fluid through its two outlets to actuate the vehicle's braking system.
What vehicle does the M390125 fit?
It is a direct-fit replacement for the 1993 Ford Mustang (All engines). Check the Buyer's Guide tab to confirm fitment for your vehicle.
Are the reservoir and sensor included?
Yes. The reservoir and sensor are included. Mounting hardware is not included, so refer to the service procedure for the correct fasteners.
What is this master cylinder made of?
The housing is aluminum, built to match the casting material of the original part, and the rubber components use an EPDM compound for resistance to glycol-based brake fluid.
What are signs this master cylinder may need replacing?
A sinking or spongy pedal or fluid loss at the cylinder may point to it. Have the cause diagnosed first, since these signs can have other causes; if this cylinder is at fault, this unit replaces it.
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Dorman - First Stop Brake Master Cylinder P/N:M390125
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