NGK 2321 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the NGK 2321.
The NGK 2321 is a 14mm thread, 17.5mm 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 |
|---|---|---|---|
| Denso | T16NR-U11 | Copper | Buy |
| Bosch | HR10HC0 | Copper | Buy |
| Motorcraft | AWSF44C | — | Buy |
| Motorcraft | AWSF54C | — | Buy |
| ACDelco | R44NTSE | — | Buy |
| ACDelco | R45NTSE | — | Buy |
| Champion | 407 | — | Buy |
| Champion | CCH407 | Copper | Buy |
| Champion | RS14LC/012 | Copper | Buy |
| Denso | 067700-6130 | — | Buy |
| Motorcraft | 29 | — | Buy |
| Motorcraft | AWSF44 | — | Buy |
| Motorcraft | AWSF44CA | — | Buy |
| Motorcraft | AWSF54 | — | Buy |
| Motorcraft | SP-409 | — | Buy |
| Motorcraft | SP409A | — | Buy |
| NGK | 7060 | — | Buy |
| 14WRF44 | — | Buy | |
| 14WRF54 | — | Buy |
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