Key facts
- Niterra has canceled its planned acquisition of Denso's spark plug and exhaust gas sensor businesses.
- Denso requested the cancellation due to market changes, including the expected widespread adoption of electrified vehicles and powertrain diversification.
- The acquisition would have given Niterra control of over half the global market for these parts.
- The agreement was signed on September 1, 2025, following an MOU on July 10, 2023.
- The transfer was pending approval from competition law authorities.
Japanese automotive parts supplier Niterra has canceled its planned acquisition of rival Denso's spark plug and exhaust gas sensor businesses, the companies announced Friday. Denso requested the cancellation due to shifts in the market, citing the expected widespread adoption of electrified vehicles and the need for powertrain diversification across different regions.
Niterra, known for its NGK spark plugs, would have gained control of more than half of the global market for these components had the deal proceeded. The two companies had signed an agreement for the business transfer on September 1, 2025, following a memorandum of understanding signed on July 10, 2023. The transfer was contingent on obtaining approval from competition law authorities in relevant countries and regions.