keyword

coil spark plug

Monthly search volume and cost-per-click data for "coil spark plug" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=coil+spark+plug&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $0.78 | | competition | 0.98 | | country | US | | updated | 2026-06-22 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
ignition plug coil	60,500	$0.58	20/20
spark plug coil	60,500	$0.59	20/20
spark plugs and coils	9,900	$0.79	20/20
ignition coil spark plug	8,100	$0.79	20/20
spark plug and coil	8,100	$0.78	20/20
ignition coil and spark plug	6,600	$0.81	20/20
spark plug coil pack	4,400	$0.69	20/20
coil pack and spark plugs	2,400	$0.87	20/20
spark plugs and coil packs	2,400	$0.87	20/20
coil packs and spark plugs	1,900	$0.78	20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=coil+spark+plug&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt