Spark plug · NGK
Equivalents for the NGK spark plug 4073
The NGK 4073 spark plug. Browse its 82 equivalents: compatible, interchangeable and replacement spark plugs across NGK, Bosch, Champion, Denso and many more.
Buy this spark plug NGK 4073 — 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 NGK 4073 spark plug?
The NGK 4073 is interchangeable with: NGK BP7EY, Bosch FR 7 KCX, Denso K20TT, NGK BK6E-11, NGK BKR6E-11, NGK BKR6EY11. These spark plugs share the same mounting (thread, seat) and heat range.
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.