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 Proportioning Valve
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Brake Proportioning Valve

Part #: NMC M552
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.


All Master Cylinders Are Manufactured To Meet Or Exceed All OEM Specifications For Fit, Form & Function

  • Each Master Cylinder Is 100% Computer Tested To Guarantee Performance Every Time
  • 100% New OE Quality Seals Are Used On Every Unit For OE Performance & Reliability
  • All Cast Iron Master Cylinders Come w/ Premium Protective Coating Which Extends The Life Of The Unit
  • Bores Are Micro-Finished To OE Specification Which Dramatically Reduces Wear


Brand NAPA
VMRS Code 013010476
Finish Rust Preventative Coated

Safety Information

Vehicle Fitment Guide

Product Reviews