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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Starter Solenoid Switch

Starter Solenoid Switch

Part #: ECH ST633
Line: Echlin Ignition

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Features & Benefits

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


NAPA Echlin designs, specifies and manufactures engine management products with only one goal in mind: to make them the very best. This philosophy reflects the ongoing commitment of NAPA Echlin to its customers and to providing the best engine managem

  • Heavy-Duty Copper Contacts: Our starter solenoids are equipped with heavy-duty copper contacts that minimize arcing effects and extend solenoid life, providing enhanced durability.
  • Stronger Magnetic Field: With more pure copper windings than found on most vehicles, our starter solenoids create a stronger magnetic field, contributing to efficient vehicle start-up.
  • Enhanced Protection and Performance: Polyester-insulated magnet wire, cadmium-plated copper discs, and solid contact bolts are used to reduce voltage drop and deliver full battery power to the starter.
  • Pure Copper Construction: Our battery terminal studs are crafted from pure copper, significantly reducing resistance and enabling higher current flow.


Brand Echlin
VMRS Code 081001011

Safety Information

Vehicle Fitment Guide

Product Reviews