Equivalents for the Brisk spark plug 1421
Brisk 1421 is an automotive spark plug featuring tightening torque cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn), reach 11.2 mm, thread 18 mm, heat range hot. All its 364 replacement references: compatible and interchangeable equivalents — NGK, Bosch, Champion, Denso…
Technical information Brisk 1421 spark plug
- Torque
- cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn)
Buy this spark plug Brisk 1421 — 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 Brisk 1421 spark plug?
The Brisk 1421 is interchangeable with: NGK AP6F, Bosch WR5, Champion F11Y, NGK AP5FS, NGK AP6FS, NGK BP5FS. These spark plugs share the same mounting (thread, seat) and heat range.
What are the specifications of the Brisk 1421?
Thread 18 mm, Reach 11.2 mm, Heat range Hot, Torque cast iron 35–45 N·m · aluminium 35–40 N·m — or 180°–240° (½–⅔ turn)
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.