Dorman M630460 brake master cylinder for the 2003-2004 Nissan Frontier and other vehicles turns pedal force into hydraulic pressure for the brake lines. This Dorman master cylinder is engineered to follow the design, function and performance of the original unit.
- Part of the Dorman First Stop line
- Made entirely from new materials
- Aluminum body with a 1 in bore and two outlets
- Rubber components in an EPDM compound that resists glycol-based brake fluid
- Made to meet SAE International standards
Quick facts
- Part: Dorman M630460 brake master cylinder
- Fits: 2003-2004 Nissan Frontier and other vehicles
- Material: Aluminum
- Condition: New
A soft pedal that sinks toward the floor, or brake fluid seen leaking around the master cylinder, can be a sign the cylinder is worn. Before you replace it, rule out other sources of the same pedal feel, such as a leak further down the brake lines or air in the system.
Fits
Dorman M630460 is a direct-fit replacement for the 2003-2004 Nissan Frontier and the 2003-2004 Nissan Xterra, and both take 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 fasteners rather than reusing old ones.
Interchange: 100-3825 · 11-3140 · 11-3141 · 11-3872 · 130.42329 · 355-67052
M55323 · NM55323 · NM55364 · 460101Z610 · 460102Z610 · 460102Z611 · MC390837 · MC390840 · F142361 · MC142361
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Is this a master cylinder for the 2003-2004 Nissan Frontier?
Yes. Dorman M630460 fits the 2003-2004 Nissan Frontier, and the truck takes one.
Is this the brake master cylinder for the 2003-2004 Nissan Xterra?
Yes. This master cylinder fits the 2003-2004 Nissan Xterra, which takes one.
What is this Dorman brake master cylinder made of?
Dorman M630460 has an aluminum body. Its rubber components are an EPDM compound that resists glycol-based brake fluid.
Does this brake master cylinder come with the reservoir and sensor?
Yes. The master cylinder comes with its reservoir and sensor. Mounting hardware is not included.
What outlet thread does this brake master cylinder have?
This brake master cylinder has two outlets with M10 x 1.0 threads, a 1 mm thread pitch and a 1 in bore.
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