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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 Iridium Ultra Laser Finewire Spark Plug

Autolite Iridium Ultra Laser Finewire Spark Plug

Part #: ASP AI5701
Line: Autolite
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Features & Benefits

Warranty: Standard : Limited Lifetime

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Autolite® Iridium Ultra® is equipped with a laser welded iridium enhanced fine-wire center electrode that ensures your engine runs at maximum performance; while its double precious metal design provides increased durability, allowing your engine to maintain desired performance levels for longer. Iridium Ultra delivers optimal fuel efficiency, acceleration, and ignitability, making it the best OE replacement plug choice for modern engines.


  • Engineered with an iridium-enhanced laser-welded fine-wire center electrode that provides focused ignition, optimal ignitability, and maximum performance.
  • Its proprietary platinum ground electrode provides increased durability and resistance to wear, extending the life of the plug.
  • The tapered ground wire enhances ignitability for improved combustion and performance.
  • The high alumina ceramic multi-rib insulator insulator provides thermal conductivity and superior insulation for increased strength & prevents flash-over.
  • The copper core within the plug provides reliable performance with higher thermal conductivity.
  • Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.
  • Visit the Autolite Brand Page to learn more about our products.

Specifications

Insulator Type Projected
Terminal Type Solid
Spark Plug Reach 1 in
Sub Brand Iridium Ultra
VMRS Code 033003005
Spark plug Inductive No
Thread Size M12-1.25
Quality Level Best
Spark Plug Heat Range Autolite - 9
Brand Autolite
Gap Size .034 in
Seat Type Gasket
Contains VOCs No
Electrode Core Material Iridium
Insulator Material Ceramic
Spark Plug Resistor Yes
Resistor Type Yes
SDS Required No
Hex Size 16 mm,5/8 in

Safety Information

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