Denso 3421 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the Denso 3421.
Cross-reference equivalents
| Brand | Part | Metal | Buy |
|---|---|---|---|
| Denso | SK20HR11 | Iridium | Buy |
| Autolite | XP5325 | Iridium | Buy |
| Denso | FK20HR11 | Iridium | Buy |
| NGK | ILFR6T11 | Iridium | Buy |
| Denso | IKH20TT | Iridium | Buy |
| NGK | SILFR6A11 | Iridium | Buy |
| ACDelco | 41-835 | — | Buy |
| Beru | 14FR7SPOX03 | — | Buy |
| Beru | Z235 | — | Buy |
| Bosch | FR7MPP33X | Double Platinum | Buy |
| Brisk | 1621 | — | Buy |
| Brisk | P3 | — | Buy |
| Champion | CCH9033 | Copper | Buy |
| Champion | OE190 | Copper | Buy |
| Champion | OE190/T10 | Copper | Buy |
| Champion | REC7PMPB4 | Copper | Buy |
| Denso | 267700-4120 | — | Buy |
| Denso | 4704 | — | Buy |
| Denso | S33 | Copper | Buy |
| NGK | 4904 | — | Buy |
| NGK | 5443 | — | Buy |
| NGK | 97362 | — | Buy |
| NGK | DILFR6F-11G | Iridium | Buy |
| NGK | ILFR6L-11K | Iridium | Buy |
| NGK | ILZFR5A-11 | Iridium | Buy |
| NGK | LFR6AIXLPG | Iridium | Buy |
| NGK | LFR6ARX11P | Copper | Buy |
| NGK | RFC58HZEDP5 | Copper | Buy |
| NGK | SILFR5A-11 | Iridium | Buy |
| NGK | SILFR6B-8 | Iridium | Buy |
| NGK | SILFR6C-11 | Iridium | Buy |
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