CHAMPION 446 COPPER PLUS SPARK PLUGS - 4pcs; Pre-Set Gap: 0.041"; OE Recommended Gap: 0.031"
OEM/Interchange Numbers: SP143877AA, SP143877AB; SPFR8TE2AA; SPLZFR5C11
COPPER PLUS; Pre-Set Gap: 0.041"
Champion Copper Plus spark plugs have been original equipment on a wide variety of engines for many years. These plugs have nickel alloy centers and ground electrodes, with reasonably good wear characteristics. In addition, the extrusion of copper into the center electrode allows for increased conductivity and heat control.
Features & Benefits:
- Dependable and durable
- Built to ISO and SAE standards for proven performance
- SAC-9 semi-conductor resistor for maximum EMI & RFI suppression
- Copper core center electrode allows for accurate control of heat range for longer life
- TinTac and ULTRASEAL shell for best corrosion protection of any spark plug in the industry
Vehicle Fitment:
2019-2022 Lexus ES350; 2013-2018 Lexus ES300H; 2016-2020 Lexus GS F; 2016-2020 Lexus GS 350; 2013-2018 Lexus GS 450H
2016-2020 Lexus IS 300; 2006-2020 Lexus IS 350; 2018-2020 Lexus LC 500; 2018-2020 Lexus LC 500H; 2007-2017 Lexus LS 460
2018-2020 Lexus LC 600H; 2015-2020 Lexus NX 300H; 2015-2020 Lexus RCF; 2016-2020 Lexus RC 300; 2015-2020 Lexus RC 350
2016-2020 Lexus RX 350; 2016-2020 Lexus RX 450H; 2009-2012 Hyundai Genesis; 2007-2009 Hyundai Santa Fe; 2010-2013 Hyundai Tucson
2002-2006 Infiniti Q45; 2014-2021 Jeep Cherokee; 2008-2010 Jeep Commander; 2017-2022 Jeep Compass; 2008-2021 Jeep Grand Cherokee
2015-2021 Jeep Renegade; 2009-2011 Kia Borrego; 2009-2010 Kia Magentis; 2006-2010 Kia Optima; 2007-2012 Kia Rondo; 2014-2017 Mitsubishi Mirage
2017 Mitsubishi Mirage G4; 2003-2008 Nissan 350Z; 2005-2015 Nissan Armada; 2007-2020 Nissan Frontier; 2002-2008 Nissan Maxima
2003-2007 Nissan Murano; 2012-2021 Nissan NV1500; 2012-2021 Nissan NV2500; 2012-2021 Nissan NV3500; 2001-2012 Nissan Pathfinder
2004-2009 Nissan Quest; 2000-2006 Nisan Sentra; 2007-2015 Nissan Titan; 2008-2015 Nissan Xterra; 2012 Suzuki SX4; 2013-2022 Toyota Avalon
2012-2020 Toyota Camry; 2007-2022 Toyota Highlander; 2005-2022 Toyota Tacoma; 2009-2016 Toyota Venza
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CHAMPION 446 Specifications |
Center Electrode Core Material |
Copper |
Center Electrode Tip Material |
Nickel |
Classification |
Champion Copper Plus |
Electrical Terminal Type |
Non-Removable Nut |
Ground Electrode Core Material |
Nickel |
Ground Electrode Quantity |
1 |
Ground Electrode Tip Design |
J Gap |
Ground Electrode Tip Material |
Nickel |
Hex Type |
Hex |
Indexed |
No |
Manufacturer Heat Range |
12 |
Measurements - Gap Size (In.) |
0.041" |
Measurements - Gap Size (mm) |
1.05 MM |
Measurements - Hex Size (In.) |
0.625" |
Measurements - Hex Size (mm) |
15.88 MM |
Measurements - Insulator Height (In.) |
0.12" |
Measurements - Reach (In.) |
1.043" |
Measurements - Thread Diameter (In.) |
0.551" |
Measurements - Thread Diameter (mm) |
14 MM |
Part Description |
Spark Plug |
Plug Type |
REC12MCC4 |
Resistor Type |
Yes |
Seat Type |
Flat |
Washer Included |
No |
Washer Included |
Yes |
Washer Type |
Crush |