Convert brake-pedal effort into the hydraulic pressure that applies the brakes with the Dorman - First Stop Brake Master Cylinder M390417. It drops in as a direct-fit replacement for the 1998-2002 Honda Accord [All], engineered to match the original master cylinder's design, function, and performance on the listed application.
This is a two-outlet unit with a 0.938 in bore diameter and M10 x 1.0 outlet threads. It includes the reservoir and the fluid-level sensor; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. A sinking or spongy brake pedal, or brake fluid loss, can be signs the master cylinder may need replacing; diagnose the cause first, and if a failed original is the cause, this replaces it. Country of origin: Taiwan.
Interchange: 18M839 · 83-08038 · 8308038 · M901081 · 100-1341 · 1001341 · M-54038 · M54038 · 072-9581 · 0729581 · 13530 · 13-2870 · 132870 · 11-2870 · 112870 · 130.40038 · 13040038 · 131.40038 · 13140038 · MC250670 · 355-59022 · 35559022 · 46100S4KA01 · 46100S4KA02 · 46100S84A02 · 46100SK4A01 · M55137 · NM55137 · MC390417 · F134450 · MC134450. Manufacturer part number M390417.
This part cross-references / interchanges with the following part numbers:
What does this brake master cylinder do?
It converts the force from the brake pedal into hydraulic pressure that is sent through the outlets to actuate the vehicle's brakes.
Which vehicle does the M390417 fit?
It is a direct-fit replacement for the 1998-2002 Honda Accord [All]. Check the Buyer's Guide tab to confirm fitment for your vehicle.
Does it include a reservoir and sensor?
Yes. The reservoir and the fluid-level sensor are included. Mounting hardware is not included, so consult the vehicle service information for the correct fasteners.
What are the bore and outlet specs?
It has a 0.938 in bore diameter, two outlets, and M10 x 1.0 outlet threads. The aluminum housing is made to match the original casting material.
What are signs the master cylinder may need replacing?
A sinking or spongy brake pedal or brake fluid loss can be signs it may need replacing. Diagnose the cause first; if the original is at fault, this replaces it.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.