Equivalents for the Champion spark plug 661
Meet the Champion 661 spark plug — thread 12 mm, tightening torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour), reach 19.0 mm, heat range cold. Browse its 86 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Technical information Champion 661 spark plug
- Terminal
- M4/SAE
- Torque
- fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)
Buy this spark plug Champion 661 — best retailers
Partner links: a purchase made through these links may earn us a commission, at no extra cost to you.
What can replace a Champion 661 spark plug?
The Champion 661 is interchangeable with: Bosch XR2CS, Champion A61, Denso X27ESU, Bosch X329T1, Champion A2HC, Champion A57C. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Champion 661?
Thread 12 mm, Reach 19.0 mm, Heat range Cold, Terminal M4/SAE, Torque fonte 15–25 N·m · alu 15–20 N·m — ou 180° (½ tour)
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.