Dorman M39474 brake master cylinder for the 1987-1989 Chrysler Conquest and other vehicles turns pedal force into hydraulic pressure for the brakes. This Dorman brake master cylinder is built to perform similarly to the original.
- Cast iron housing with a 0.938 in bore diameter
- EPDM rubber components resist glycol-based brake fluid
- Made entirely of new materials
- Made to meet SAE International standards
- Two outlets, both with M10 x 1.0 threads
Quick facts
- Part: Dorman M39474 brake master cylinder
- Fits: 1987-1989 Chrysler Conquest and other vehicles
- Material: Cast iron
- Condition: New
A brake pedal that feels soft or sinks slowly, or fluid showing around the cylinder, can mean the master cylinder is wearing out. These signs alone do not prove it is the problem, since a leaking brake line can cause a similar pedal.
Fits
It is a direct-fit replacement for several Chrysler, Dodge, Mitsubishi and Plymouth models, including the 1983-1989 Mitsubishi Starion and the 1984-1986 Dodge Conquest, and each takes one. Open the "Vehicles it fits" section to check your exact model, year and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 0.938 in
- Number of outlets: 2
- Outlet thread: M10 x 1.0
- Outlet thread pitch: 1 mm
Build and materials
- Material: Cast iron
- Rubber components: EPDM
- Standards: SAE International
- Condition: New
- Country of origin: Taiwan
In the box
One brake master cylinder. The reservoir, sensor and mounting hardware are not included, so plan on new fasteners.
Interchange: 83-16100 · 100-1849 · M-52100 · 072-8247 · 13-92406 · 11-2406 · 130.46100 · 355-39001
18M259 · M900461 · 11878 · 12072 · MC251040 · M52406 · NM52406 · MB193079 · MB316779 · MB534701 · MC39474 · F107337 · F108111 · F119282 · MC108111 · MC119282
This part cross-references / interchanges with the following part numbers:
18M259, 83-16100, M900461, 100-1849, M-52100, 072-8247, 11878, 12072, 13-92406, 11-2406, 130.46100, MC251040, 355-39001, M52406, NM52406, MB193079, MB316779, MB534701, MC39474, F107337, F108111, F119282, MC108111, MC119282
Frequently Asked Questions
Is this Dorman master cylinder the right one for the 1983-1989 Mitsubishi Starion?
Yes. Dorman M39474 is listed for the 1983-1989 Mitsubishi Starion, one per car. The "Vehicles it fits" section covers other models.
Does this master cylinder come with a reservoir or sensor?
No. This Dorman M39474 listing is the master cylinder only. The reservoir, sensor and mounting hardware are not included.
What size are the outlet threads on the Dorman M39474?
Both outlets use M10 x 1.0 threads with a 1 mm pitch. The bore diameter is 0.938 in.
What brake pedal symptoms can mean a master cylinder needs replacing?
A pedal that feels soft or sinks slowly, or brake fluid seeping around the cylinder, can mean the master cylinder is worn. Have the brakes checked promptly.
What are the rubber parts in this brake master cylinder made of?
All rubber components are made of EPDM compound, which resists glycol-based brake fluid.
