E3 Spark Plugs
Plug Finder
2026 Lawn & Garden Application Data
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I Have My Old Plug
Type the number printed on your old spark plug — Champion, NGK, or Torch.
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I Know My Equipment
Pick your equipment type and brand from a list. No model number needed to start.
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Power user
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Type a brand, model, or engine in any combination — like “Craftsman mower” or “GX390”.
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Use Your Old Spark Plug
The number is printed right on the old plug. Type it below and we’ll match it to the right E3 DiamondFire plug.
Works with
Champion
,
NGK
, and
Torch
plug numbers.
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Find Your Equipment
Answer two quick questions and pick your machine from the list.
1
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2
What brand?
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3
What type? (optional)
All Types
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Search Anything
Type a brand, equipment type, model, or engine — in any combination. Try “Craftsman mower” or “GX390”.