In 2023, import of spark plugs to the US stood at 552.0 million USD. Based on forecasts from 2024 to 2028, there is a consistent upward trend in import values for spark plugs. From 2024 to 2025, the import value increases by 1.70%, from 2025 to 2026 by 1.64%, from 2026 to 2027 by 1.58%, and from 2027 to 2028 by 1.53%. The compound annual growth rate (CAGR) over this five-year period is approximately 1.67%.

Future trends to watch for include:

The potential impact of electric vehicle adoption on spark plug demand, as electric vehicles do not use spark plugs.
Technological advancements in spark plug efficiency and longevity, possibly affecting replacement rates.
Changes in global supply chains and trade policies that might influence import costs and logistics.