Equivalents for the Champion spark plug 631
Champion 631 is an automotive spark plug : heat range medium, reach 22.0 mm. Find its 7 compatible and interchangeable spark plugs: cross-references for NGK, Bosch, Champion, Denso and every brand.
Technical information Champion 631 spark plug
- Terminal
- 8-32 UNC/BRASS
Buy this spark plug Champion 631 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
7 equivalents compatible with the Champion 631 spark plug
No equivalent for this brand selection.
What can replace a Champion 631 spark plug?
The Champion 631 is interchangeable with: Champion RW77N, Stitt R717, BG RB1141, Champion RW78N, Champion RW78N012, Champion 565. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 631?
Reach 22.0 mm, Heat range Medium, Terminal 8-32 UNC/BRASS
Cross-references and specifications are provided for guidance only. The wrench size can vary by brand, and some data is inferred from the plug code or an equivalent reference. Always check the vehicle manufacturer's recommendation before buying and fitting.