My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Dorman M390001 Brake Master Cylinder - New OE Replacement

(1982-1984 Cadillac DeVille; 1982-1985 Cadillac Eldorado; 1982-1985 Cadillac Seville; 1982-1985 Cadillac Fleetwood; 1991-1994 Nissan Sentra + 2 more models)

Part of: Dorman Brake Master Cylinder Replacement

Other options in this family: Dorman M39298 Dorman M19012 Dorman M390139 Dorman M630735 Dorman M390200

Manufacturer

Picture for manufacturer Dorman

Part Number

M390001
6 reviews
Sale Price

$121.91

In Stock (5)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Dorman M390001 is a 100% new replacement brake master cylinder engineered to restore proper braking system function. Designed as a direct-fit replacement, this master cylinder is built to match the form, fit, and function of the original equipment part it replaces — no modifications required.

Key Features:

  • Precise OE Replacement: Cylinder housing is constructed to match the casting material of the original part for consistent, reliable performance
  • Durable EPDM Rubber Components: All internal rubber seals and components are manufactured from high-quality EPDM compound, providing excellent resistance to glycol-based brake fluids
  • 100% New Construction: Made entirely from new materials — not remanufactured — ensuring the highest levels of quality and safety
  • SAE Compliant: Manufactured to meet rigorous SAE International standards for brake system components

Dorman's brake master cylinders are backed by decades of aftermarket engineering expertise, giving repair professionals and vehicle owners a dependable, cost-effective alternative to dealer parts.

Products specifications

Fits

1982-1984 Cadillac DeVille; 1982-1985 Cadillac Eldorado; 1982-1985 Cadillac Seville; 1982-1985 Cadillac Fleetwood; 1991-1994 Nissan Sentra; 1991-2012 Nissan Tsuru; 1991-1993 Nissan NX

Feature - Benefit 1

Cylinder housing is constructed from high-quality cast iron or aluminum for long-lasting durability

Feature - Benefit 2

All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluid

Feature - Benefit 3

Direct replacement for a proper fit

Feature - Benefit 4

Manufactured to strict engineering quality standards, each Brake Master Cylinder meets S.A.E. specifications

Package Contents

Master Cylinder

Mounting Hardware Included

No

Secondary Outlet Thread Diameter

10

Number of Outlets

2

Master Cylinder Bore Diameter

0.875

Reservoir Included

Yes

Sensor Included

Yes

Rearward Outlet Size

M10 X 1.0

Master Cylinder Material

Aluminum

Thread Pitch

1.0

Primary Outlet Thread Pitch

1 mm

Best Price I could find, fast shipping. I shall return!

Lowest prices around the web and excellent customer service. The only real issue was the wait between placing the order and when it was shipped. Took 4 days but I chalk that up to the large amount of business they due to their prices being so competitive. For the lowest prices that I've seen I didn't mind waiting a bit longer!

Very fast shipping and product was secure in package to avoid damage....will be ordering from autoplicity again for sure. Also the price could not be beat.

Superb company! Autoplicity had the lowest price, shipped it quickly, and it was exactly as advertised - couldn't ask for better results!

it better fit

Fast shipping. And great cust service.

Share icon
Return Policy
Returns are easy at Autoplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy