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
This store has been geolocated for you.
Looking to get a repair done? Find an AutoCare Center

Brake Master Cylinder - Remfd

Brake Master Cylinder - Remfd

Part #: NMC P4558
Line: NAPA Proformer 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.

Requested quantity is not available. Please update the quantity below.

Features & Benefits

Warranty: Standard : 36 Months or 36,000 Miles Whichever Occurs First


Using advanced re-engineering materials and processes, our master cylinders match O.E. performance and fitment. New O.E.-quality seals and cups are installed on each unit, ensuring leak-free, long-lasting performance. Cast-iron master cylinders are treated with a high-quality protective coating to prevent rust and extend product life. All units are 100% computer tested to ensure perfect fit and function.

  • Only new O.E.-quality seals and cups are used in the remanufacturing process to ensure O.E. performance and reliability. All rubber components meet S.A.E. specifications.
  • Bleeding kits are supplied with the unit to make the bleeding process faster and easier (where applicable).
  • Bores meet critical micro-finish specifications to eliminate pitting and corrosion, a cause of premature failure.
  • Cast-iron master cylinders feature a premium protective coating to minimize rust and extend unit life.
  • Piston assemblies are height-gauged to ensure the master cylinder equals the O.E. unit performance.
  • Plastic reservoirs are vacuum-tested to ensure they are leak free.


Brand NAPA
Primary Port Size M18 x 1.5
Product Condition Remanufactured
Installation Hardware Included No
Color Gray
VMRS Code 013-006-001
# of Ports 2
Reservoir Included No
# of Mounting Holes 2
Bore Size (N) 1.125 in.
Other(s) Port Size 9/16 X 18

Safety Information

Vehicle Fitment Guide

Product Reviews