Dorman M134479 brake master cylinder for the 1998-2001 Nissan Frontier turns pedal force into hydraulic pressure for the brakes. This Dorman brake master cylinder is made entirely of new materials, and its housing is constructed to match the casting material of the original part.
- Part of the Dorman First Stop line
- Aluminum cylinder housing with a 1 in bore
- All rubber components use EPDM compound for resistance to glycol-based brake fluid
- Master cylinder includes the reservoir and sensor
- Made to meet rigorous SAE International standards
Quick facts
- Part: Dorman M134479 brake master cylinder
- Fits: 1998-2001 Nissan Frontier
- Material: Aluminum
- Condition: New
A soft or sinking brake pedal, a brake fluid leak or a brake warning light can mean the master cylinder is wearing out. Before you replace it, rule out leaks at the brake lines, calipers and wheel cylinders, since a leak there can also leave you with a soft pedal. A shop can pressure-test the system if you're unsure.
Fits
It fits the 1998-2001 Nissan Frontier, which takes one master cylinder.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 1 in
- Number of outlets: 2
- Rearward outlet size: M10 x 1.0
- Secondary outlet thread diameter: M10 x 1.0
- Primary outlet thread pitch: 1 mm
Build and materials
- Material: Aluminum
- Rubber components: EPDM compound
- Reservoir: included
- Sensor: included
- Condition: New
- Country of origin: China
In the box
One master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new hardware rather than reusing the old.
Frequently Asked Questions
Is this the right master cylinder for the 1998-2001 Nissan Frontier?
Yes. Dorman M134479 is made for the 1998-2001 Nissan Frontier, and that vehicle takes one.
Does this Dorman master cylinder include the reservoir?
Yes. Dorman M134479 comes with the reservoir and a sensor. Mounting hardware is not included.
What are the bore size and outlet threads on this master cylinder?
The bore is 1 in, and the master cylinder has two outlets with M10 x 1.0 threads.
What signs can show a master cylinder is wearing out?
A pedal that sinks toward the floor, a spongy feel or a brake fluid leak at the cylinder can be signs. A shop can test it to confirm.
Is this master cylinder made to SAE standards?
Yes. Dorman M134479 is made to meet rigorous SAE International standards.
