Brake Master Cylinder for 2003-2005 Kia Rio - Dorman M630381

$139.99
Dorman - First Stop Brake Master Cylinder M630381
Dorman - First Stop Brake Master Cylinder M630381 - view 2
Dorman - First Stop Brake Master Cylinder M630381 - view 3
Dorman - First Stop Brake Master Cylinder M630381 - view 4
Dorman - First Stop Brake Master Cylinder M630381
Dorman - First Stop Brake Master Cylinder M630381 - view 2
Dorman - First Stop Brake Master Cylinder M630381 - view 3
Dorman - First Stop Brake Master Cylinder M630381 - view 4

Vehicles this part fits
    Part number: M630381
    UPC: 082702680773
    Condition: New
    Weight: 1.52 LBS
    Item Package Quantity: 1
    $139.99
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    Dorman - First Stop Brake Master Cylinder P/N:M630381
    Dorman - First Stop Brake Master Cylinder P/N:M630381
    $139.99
    $139.99

    Dorman M630381 brake master cylinder for the 2003-2005 Kia Rio turns pedal force into hydraulic pressure for the brakes.

    • Dorman First Stop line brake master cylinder
    • Aluminum cylinder housing
    • Rubber components made of EPDM compound for resistance to glycol-based brake fluid
    • Made entirely of new materials
    • Made to meet SAE International standards

    Quick facts

    • Part: Dorman M630381 brake master cylinder
    • Fits: 2003-2005 Kia Rio
    • Material: Aluminum
    • Condition: New

    A soft or sinking brake pedal, fluid seeping around the cylinder body or a brake warning light can mean this master cylinder is worn, though a leaking brake hose or a sticking caliper can be behind the same signs, so find the source before you replace it.

    Fits

    It fits the 2003-2005 Kia Rio. This listing is a single master cylinder, and the car takes one.

    Specifications

    Fit and size

    • Quantity per vehicle: 1
    • Bore diameter: 0.875 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
    • 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.

    Interchange: 100-4290 · 072-9606 · 11-3147 · 130.50016 · 355-21014
    13945 · 58510FD100 · NM4245 · MC391019 · F141551 · F143000 · MC141551 · MC143000

    This part cross-references / interchanges with the following part numbers:

    100-4290, 072-9606, 13945, 11-3147, 130.50016, 355-21014, 58510FD100, NM4245, MC391019, F141551, F143000, MC141551, MC143000

    Frequently Asked Questions

    Is this the Kia Rio master cylinder I need for a 2003-2005 model?

    Yes. Dorman M630381 is listed for the 2003-2005 Kia Rio, which takes one master cylinder.

    What comes with the Dorman brake master cylinder M630381?

    Dorman M630381 comes with its reservoir and sensor. Mounting hardware is not included, so plan on new hardware.

    Which brake fluid are the rubber parts in this Dorman master cylinder made for?

    The rubber components are made of EPDM compound for resistance to glycol-based brake fluid.

    What can a sinking brake pedal mean on a car with this aluminum master cylinder?

    A pedal that sinks slowly or feels soft, or fluid seen around the cylinder body, can mean the seals inside are worn. A shop can pressure-test the system.

    What bore size and outlet threads does the Dorman M630381 have?

    The bore is 0.875 in, and the part has two outlets. The rearward and secondary outlets are threaded M10 x 1.0.

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