8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
Reserve Online Participant
Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Brake Master Cylinder - New
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Brake Master Cylinder - New

Part #: NMC M3247
Line: NAPA Ultra Premium Master Cylinders

This item is currently not at your store, but is available for order. Please call store to verify the specific location and delivery details for this item. Note that additional shipping charges may be required.

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Features & Benefits

Warranty: Standard : Limited Lifetime, Replacement Will Be Issued for Unit that Proves Defective During Normal Use on the Vehicle on Which It Was Originally Installed. Extended Only to the Owner of the Vehicle on Which the Unit is Installed-Not Transferable.


Designed To Match Original Equipment Fit, Form & Function.

  • OE Matched Materials and Design, Vehicle Specific Design, Cast Iron Or Aluminum (Depending On OE).
  • Dependable Operation, Prevents Fluid Bypass, Provides Extended Service Life.
  • New Piston Assembly And Return Spring, Prevents Brake Drag And Premature Pad Wear.
  • EPDM And SBR Rubber Compnents, Meets all SAE Specs and Compatible with Brake Fluid.
  • Rust Preventive Finish
  • 100% New OE Quality Seals
  • NAPA Brakes Offers A Wide Range Of Master Cylinders For Domestic And Import Vehicles. Each NAPA Brakes Master Cylinder Employs The Unique Characteristics Needed To Meet The Special Requirements Of The Brake System For Which It's Designed.


# of Line Ports 2
VMRS Code 013006000
Primary Outlet Size (1) M12x1
Bore Size (in.) 1 in
Weight 2.37
Brake Master Cylinder Bore Size 1-1/16 in.
Brand NAPA
Primary Outlet Thread M12x1
Master Cylinder Material Aluminum
Reservoir Included Yes
Finish Rust Preventative Coated
# of Mounting Holes 2
Secondary Outlet Thread M10x1

Safety Information

Vehicle Fitment Guide

Product Reviews