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Dorman - First Stop Brake Master Cylinder P/N:M390516
$122.99
Convert brake-pedal force into the hydraulic pressure that operates the entire brake system with the Dorman First Stop Brake Master Cylinder M390516. It installs as a direct-fit replacement for the 1998 Dodge B1500, B2500 and B3500, and the 1999-2003 Dodge Ram 1500 Van, Ram 2500 Van and Ram 3500 Van (All engines). Dorman precision-engineers it to match the original master cylinder's design, function and performance on the listed applications.
- 100% new: built entirely from new materials, not remanufactured.
- Aluminum housing: cast to match the casting material of the original part for similar performance.
- EPDM rubber components: resist glycol-based brake fluid.
- Made to SAE International standards.
This unit has a 1.25 in bore and two outlets — a rearward outlet sized M10 x 1.0, a secondary outlet thread of M12 x 1.0, and a primary outlet thread pitch of 1 mm. The reservoir is included; a sensor and mounting hardware are not included — consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: China. If a failing master cylinder is the cause of a sinking or spongy pedal or an internal fluid leak, this replaces it.
Interchange: 18M878 · 83-40022 · 8340022 · M901090 · 100-2679 · 1002679 · M-87022 · M87022 · 13488 · 13-2913 · 132913 · 10-2913 · 102913 · 130.67022 · 131.67022 · 4897210AB · MC250610 · 355-40059 · 35540059 · M3062 · NM3062 · MC390516 · F140285 · F141078 · MC140285 · MC141078. Manufacturer part number M390516.
This part cross-references / interchanges with the following part numbers:
18M878, 83-40022, M901090, 100-2679, M-87022, 13488, 13-2913, 10-2913, 130.67022, 131.67022, 4897210AB, MC250610, 355-40059, M3062, NM3062, MC390516, F140285, F141078, MC140285, MC141078
Frequently Asked Questions
What does this brake master cylinder do?
It converts the force from your brake pedal into hydraulic pressure that operates the brakes. If a failing master cylinder is behind a sinking or spongy pedal, this M390516 replaces it.
Which vehicles does the M390516 fit?
It's a direct-fit replacement for the 1998 Dodge B1500, B2500 and B3500, and the 1999-2003 Dodge Ram 1500 Van, Ram 2500 Van and Ram 3500 Van (All engines). See the Buyer's Guide tab to confirm.
Does it include a reservoir?
Yes. The reservoir is included with this master cylinder. A sensor is not included.
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.
What are the bore and outlet specs?
It has a 1.25 in bore and two outlets: a rearward outlet of M10 x 1.0, a secondary outlet thread of M12 x 1.0, and a primary outlet thread pitch of 1 mm.
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Dorman
Dorman - First Stop Brake Master Cylinder P/N:M390516
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