AUTOLITE part description

Product Description

Autolite Iridium XP Spark Plug

Features & Benefits

  • Iridium enhanced 0.6mm finewire design for optimal durability and performance
  • Engineered with an Iridium-enhanced center electrode and fine-wire design that increases ignitability and provides a more focused ignition for improved engine performance.
  • Patented, platinum sidewire technology
  • Its proprietary platinum ground electrode provides increased durability* and resistance to wear, extending the life of the plug.
  • Platinum ground wire for maximum efficiency in all ignition types including DIS systems
  • The tapered ground wire improves engine ignitability.
  • V-trimmed ground electrode for improved ignitability
  • Its high alumina multi-rib ceramic insulator provides thermal conductivity and superior insulation for increased strength while preventing flash-over.
  • Heat range precisely set by Ionization Sensing Technology
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended periods.
  • Includes a lifetime limited warranty that guarantees optimum performance equal to OE designed plugs.

Product Attributes

Resistance 4000 82
Ground Electrode Tip Design Taper Cut
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size 1.27 MM
Ground Electrode Quantity 1
Hex Size 21 MM
Seat Type Flat
Reach 0.75 IN
Thread Diameter 14 MM
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Platinum
9608 Fine Wire
9805 Mid Projection
Washer Included Yes
Grade Type Performance
Pre-Gap Size 0.05 IN
Hex Size 13/16 IN
Manufacturer Heat Range 8
9459 No
9507 Hex
9746 No
Reach 19.049999999999997 MM

Additional Information

Country of Origin (Primary) MX
Harmonized Tariff Code (Schedule B) 8511100000
Warranty Special Limited Lifetime
Warranty Special UOM TX
Harmonized Tariff Code (HTS) 8511100000
UPC 00009100044648
UNSPSC 26101732

Part Interchanges

AUTOLITE XP646 Cross Reference

We have 3 alternatives for the XP646 by AUTOLITE:

Fits Vehicles

  • Asuna GT (1993)
  • Asuna SE (1993)
  • Pontiac Optima (1988-1989)
  • Chrysler Intrepid (1993-1995, 1997)
  • Chrysler Dynasty (1990-1993)
  • Pontiac Sunbird (1987-1988)
  • Pontiac LeMans (1988-1989, 1993)
  • Oldsmobile Firenza (1987-1988)
  • Cadillac Seville (1980-1981)
  • Cadillac Fleetwood (1975-1984)
  • Cadillac Eldorado (1975-1978, 1980-1981)
  • Cadillac DeVille (1975-1981)
  • Cadillac Commercial Chassis (1975-1984)
  • Cadillac Calais (1975-1976)
  • Buick Skyhawk (1987-1988)
  • Plymouth Voyager (1991-2000)
  • Plymouth Grand Voyager (1990-2000)
  • Eagle Vision (1993-1997)
  • Dodge Intrepid (1993-1997)
  • Dodge Grand Caravan (1990-2000)
  • Dodge Dynasty (1990-1993)
  • Dodge Caravan (1990-2000)
  • Chrysler Voyager (2000)
  • Chrysler Town & Country (1990-2000)
  • Chrysler New Yorker (1990-1993)
  • Chrysler Grand Voyager (2000)
  • Chrysler Imperial (1990-1993)
  • Chrysler Concorde (1993-1996)

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