Turn every press of the brake pedal into hydraulic pressure at the wheels with the Dorman First Stop Brake Master Cylinder M39317. It is a direct-fit replacement for the 1980-1982 Nissan 720 (engine: All). Dorman precision-engineers it to replicate the original master cylinder's design, function and performance on the listed applications. Made from new, high-quality materials, it is intended as a safe, durable replacement.
- Precise replacement: The cylinder housing is built to match the original part's casting material, for similar performance.
- Durable design: Every rubber component uses a high-quality EPDM compound for resistance to glycol-based brake fluid.
- 100% new: It is made entirely of new materials, with a focus on quality and safety.
- Strict specifications: It is made to meet rigorous SAE International standards.
Specifications: The master cylinder is aluminum, with a 0.875 in. bore diameter and two outlets. The rearward outlet size and secondary outlet thread are both M10 x 1.0, and the primary outlet thread pitch is 1 mm. A reservoir is included; mounting hardware and a sensor are not. Country of origin: Taiwan.
Signs a master cylinder may need replacing include a soft brake pedal, a pedal that slowly sinks toward the floor under steady pressure, or brake fluid leaking at the cylinder or reservoir. Diagnose the brake system first; if the master cylinder is the cause, this unit replaces it.
Interchange: 83-04304 · 83-04306 · 100-1408 · M-51306 · 13-1937 · 11-1937 · 130.42306 · 355-67035
18M165 · M900365 · 11937 · MC506860 · M51869 · M51937 · 4601013W10 · 4601048W00 · MC39317 · F105252 · MC105252 · 8304304 · 8304306 · 1001408 · M51306 · 131937 · 111937 · 13042306 · 35567035
This part cross-references / interchanges with the following part numbers:
18M165, 83-04304, 83-04306, M900365, 100-1408, M-51306, 11937, 13-1937, 11-1937, 130.42306, MC506860, 355-67035, M51869, M51937, 4601013W10, 4601048W00, MC39317, F105252, MC105252
Frequently Asked Questions
Which vehicles does the Dorman M39317 fit?
It is listed as a direct-fit replacement for the 1980-1982 Nissan 720 with the engine designation All.
Does this master cylinder come with a reservoir?
Yes, a reservoir is included. Mounting hardware and a sensor are not included, so consult your service information for the correct fasteners and whether the originals may be reused.
What is the master cylinder made of?
The master cylinder material is aluminum, and the housing is constructed to match the original part's casting material. All rubber components use an EPDM compound for resistance to glycol-based brake fluid.
What are the bore and outlet specifications?
It has a 0.875 in. bore diameter and two outlets. The rearward outlet size and secondary outlet thread are both M10 x 1.0, and the primary outlet thread pitch is 1 mm.
What are signs that a master cylinder may need replacing?
A soft or sinking brake pedal, or brake fluid leaking at the cylinder or reservoir, can be signs. Diagnose the brake system first; if the master cylinder is the cause, this unit replaces it.
