CHAMPION part description

Champions traditional plugs are all constructed with a corrosion resistant zinc plated shell. Resistor plugs have the most durable high voltage semiconductor while marine application use a special wire wound Q-type suppressor (CDI resistor) when noted. Copper core ground or center electrode (when noted). Conforms to all I.S.O and S.A.E standards as specified by all manufacturers.
  • 14mm Thread Size
  • 19mm (3/4") Reach
  • 5/8" (16mm) Hex Size
  • Gasket Seat
  • Copper Core
  • Projected Tip
  • CDI Resistor
  • Heat Range 12

Product Description

Copper Plus Small Engine Spark Plug QC12YC Carton of 4

Application Summary

Saab Pass. Car: 2.0L L4 (90-86), 2.1L L4 (94-91), 2.3L L4 (98-94)

Features & Benefits

  • Copper Plus - Dependable Performance and Durability
  • OE type replacement plug
  • Resists fouling
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Superior corrosion resistance
  • Built to ISO and SAE standards for proven performance

Product Attributes

Ground Electrode Core Material Nickel
Washer Included Yes
Electrical Terminal Type Non-Removable Nut
Center Electrode Tip Material Nickel
Pre-Gap Size 0.030 IN
Ground Electrode Quantity 1
Hex Size 0.625 IN
Insulator Height 0.06 IN
Manufacturer Heat Range 12
Seat Type Flat
Reach 0.75 IN
Thread Diameter 0.551 IN
Resistor Type Yes
9507 Hex
9745 Crush
9746 No
Center Electrode Diameter (inch) 0.1 IN
Classification Champion Copper Plus Small Engine
Ground Electrode Material Nickel Copper Alloy
Installed Height (inch) 1.99 IN
Insulator Projection (inch) 0.06 IN
Part Description Spark Plug
Plug Type QC12YC
Taper Diameter (inch) 0.25 IN

Additional Information

Country of Origin (Primary) US
Harmonized Tariff Code (Schedule B) 8511100000
Harmonized Tariff Code (HTS) 8511100000
UPC 00037551007615
VMRS Code 033003005

Part Interchanges

CHAMPION 946 Cross Reference

We have 1 alternatives for the 946 by CHAMPION:

Fits Vehicles

  • Saab 900 (1986-1994)

For more than 110 years, Champion® has been a highly respected brand for spark plugs worldwide. From airplanes to high-performance race cars, Champion has developed spark plugs for almost every type of engine. Its century’s worth of experience and commitment has led to designs and optimizations that make Champion spark plugs perform better than the competition. This proven expertise and engineering has also been expanded to other maintenance products, including Champion filters, batteries, and lighting. All products are designed, manufactured, and tested in accordance with OE specifications to ensure a seamless fit and function. When it comes to quality, the customer is always a winner with Champion.

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