Keep every cylinder firing cleanly with the Champion Copper Plus Spark Plug 975 (REC10YC4). It drops in as a direct-fit replacement across a broad range of applications, including the 2013-2015 Acura ILX [L4-1.5L], 2008-2013 BMW 128i [L6-3.0L], 2006-2011 Honda Civic [L4-1.3L], 2007-2018 Lexus ES350 [V6-3.5L], and many more — see the "Vehicles it fits" section for the full list of applications.
Built with proven copper-core technology for dependable ignition:
- Copper-core center electrode: provides excellent conductivity and accurate heat-range control for consistent sparks and long life.
- Corrosion-resistant shell: a coated shell resists corrosion in harsh environments.
- Built-in noise suppression: resistor construction minimizes electrical interference to help protect sensitive electronics.
- Pre-gapped, easy install: a pre-gapped design simplifies installation, and it's built to meet OE fit, form and function.
The plug uses a flat seat type and ships with an included crush washer. The number of plugs required varies by engine and application, so check the "Vehicles it fits" section for your vehicle's quantity. Signs your plugs may need replacing include rough idle, misfires, hard starts, or reduced fuel economy — diagnose the cause before replacing. Country of origin: China.
Manufacturer part number 975 · Plug type REC10YC4.
Frequently Asked Questions
Is the 975 a resistor spark plug?
Yes. It is a resistor plug that uses modern resistor technology to minimize electrical interference and help protect sensitive vehicle electronics.
Does the 975 come pre-gapped?
Yes, it has a pre-gapped design that simplifies installation. Always confirm the gap meets your vehicle's specification before installing.
What electrode material does this plug use?
It uses a copper-core center electrode for excellent conductivity and accurate heat-range control, delivering consistent sparks and dependable performance.
Does it include a washer?
Yes. This plug has a flat seat type and includes a crush washer.
How many plugs do I need for my vehicle?
The number of plugs varies by engine and application. Check the "Vehicles it fits" section for the quantity your specific vehicle requires.
