NGK 6903 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the NGK 6903.
The NGK 6903 is a 14mm thread, 19mm reach spark plug. These specifications are decoded from the NGK part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.
Cross-reference equivalents
| Brand | Part | Metal | Buy |
|---|---|---|---|
| Bosch | FR8KI33V | Iridium | Buy |
| Champion | CCH9003 | Copper | Buy |
| Champion | OE180 | Copper | Buy |
| Champion | OE180/T10 | Copper | Buy |
| Denso | IK16TT | Iridium | Buy |
| Denso | SK16PR-E11 | Iridium | Buy |
| Denso | SK16PR-E13 | Iridium | Buy |
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