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Dorman - First Stop Brake Master Cylinder P/N:M390158
$130.99
Convert firm brake-pedal pressure into the hydraulic force your brakes rely on with the Dorman - First Stop Brake Master Cylinder M390158. It installs as a direct-fit replacement for the 1990-1997 Ford F-53 Motorhome Chassis, 1992-1996 Ford F-59 Commercial Stripped Chassis, 1994-1997 Ford F-Super Duty, and 1996-1998 Ford Econoline Super Duty (all engines).
- 100% new: built entirely from new materials, not remanufactured.
- Aluminum housing: 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.
- SAE standards: made to meet rigorous SAE International standards.
This three-outlet master cylinder has a 1.313 in bore, a rearward outlet sized 9/16-18 & 3/8-24, and a 7/16-24 secondary outlet thread. The reservoir and sensor are included; mounting hardware is not — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China.
Interchange: 18M766 · 83-42042 · 8342042 · M900876 · 100-2490 · 1002490 · M-85042 · M85042 · 12843 · 13-2689 · 132689 · 10-2689 · 102689 · 10-3620 · 103620 · 130.65042 · 131.65042 · MC251660 · 355-54161 · 35554161 · F4TZ2140C · M2689 · NM2689 · MC390158 · F131212 · MC131212
Manufacturer part number M390158
This part cross-references / interchanges with the following part numbers:
18M766, 83-42042, M900876, 100-2490, M-85042, 12843, 13-2689, 10-2689, 10-3620, 130.65042, 131.65042, MC251660, 355-54161, F4TZ2140C, M2689, NM2689, MC390158, F131212, MC131212
Frequently Asked Questions
What is the Dorman M390158?
It's a 100% new (not remanufactured) brake master cylinder that converts brake-pedal force into hydraulic pressure to operate the braking system. The reservoir and fluid-level sensor are included.
Which vehicles does it fit?
It's a direct-fit replacement for the 1990-1997 Ford F-53 Motorhome Chassis, 1992-1996 F-59 Commercial Stripped Chassis, 1994-1997 F-Super Duty, and 1996-1998 Econoline Super Duty (all engines). See the Buyer's Guide tab.
Does it include mounting hardware?
No, mounting hardware is not included. The reservoir and sensor are included. Consult the vehicle service information for the correct fasteners and whether they may be reused.
What are its key specifications?
An aluminum housing with a 1.313 in bore and three outlets; the rearward outlet is sized 9/16-18 & 3/8-24 with a 7/16-24 secondary outlet thread. Country of origin: China.
What are signs my master cylinder may need replacing?
A sinking or spongy brake pedal, loss of pressure, or fluid leaks may be signs of a failing master cylinder. Diagnose the cause first, since other brake components can produce similar symptoms.
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Dorman - First Stop Brake Master Cylinder P/N:M390158
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