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NAPA Auto Parts Leesburg, VA
700 Fieldstone Drive
Suite 134
Leesburg,  VA  20176
(703) 777-2055
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Autolite Copper Resistor Spark Plug

Autolite Copper Resistor Spark Plug

Part #: ASP 3923
Line: Autolite
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Features & Benefits

Warranty: Standard : 2 Years

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Autolite® Copper spark plugs are engineered to deliver quick starts and the power your vehicle or applications needs to meet performance expectations.


  • The copper core center electrode aids in thermal control and improves resistance to fouling.
  • Its specially engineered high nickel alloy center and ground electrode provides extended life.
  • The high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • 2 year limited warranty
  • Guaranteed For 2 Years
  • Visit the Autolite Brand Page to learn more about our products.

Specifications

Ground Electrode Quantity 1
Insulator Type Projected
Terminal Type Non-removable Nut
Spark Plug Reach 0.75 in / 19.0499 mm
VMRS Code 033003005
Spark Plug Seat Type Gasket
Spark plug Inductive No
Thread Size 14 mm
Quality Level Good
Spark Plug Heat Range Autolite 10
Brand Autolite
Spark Plug Thread Size 14 mm
Gap Size 0.044 in
Seat Type Flat
Electrode Core Material Copper
Insulator Material Ceramic
Spark Plug Resistor Yes
Resistor Type Yes
Spark Plug Hex Size 5/8 in.
SDS Required No
Hex Size 5/8 in

Safety Information

Vehicle Fitment Guide

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