AUTOLITE part description

Product Description

Autolite 303 Copper Resistor Spark Plug

Features & Benefits

  • One-Piece terminal stud provides a reliable high voltage electrical connection
  • High alumina multi-rib insulator helps prevent flash-over which can lead to misfires
  • Heat-fused glass composite resistor center seal provides high performance EMI noise suppression and a 100 percent leak-proof seal
  • Solid copper core center electrode provides optimal thermal and electrical conductivity for better performance in all driving conditions
  • High nickel alloy side electrode resists electrical and chemical wear providing excellent durability
  • 2 year limited warranty

Product Attributes

Resistance 5000 82
Ground Electrode Tip Design Tapered
Ground Electrode Core Material Nickel
Electrical Terminal Type Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Nickel
Pre-Gap Size 0.9 MM
Ground Electrode Quantity 1
Hex Size 21 MM
Seat Type Flat
Reach 9.5 MM
Thread Diameter 14 MM
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Nickel
9608 Standard
9805 Short Projection

Additional Information

Country of Origin (Primary) CN
Harmonized Tariff Code (Schedule B) 8511100000
Warranty Time 24
Warranty Time UOM MO
UPC 00009100003034
UNSPSC 26101732

Part Interchanges

Fits Vehicles

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