Beru Z257 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the Beru Z257.
The Beru Z257 is a 19mm reach spark plug, pre-gapped to 0.035. These specifications are decoded from the Beru 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 | IK20 | Iridium | Buy |
| NGK | BKR6EK | Copper | Buy |
| Denso | K20TXR | Copper | Buy |
| Denso | K20TNR-S9 | Copper | Buy |
| Denso | PK20PR11 | Double Platinum | Buy |
| Beru | 14F7LDURZ14 | — | Buy |
| Beru | 14F7LDUWZ257 | — | Buy |
| Beru | Z14 | — | Buy |
| Bosch | F7LDCR | Copper | Buy |
| Bosch | FR7LD | Copper | Buy |
| Champion | OE146/R04 | Copper | Buy |
| Champion | RC8DMC | Copper | Buy |
| Champion | RC9DMC | Copper | Buy |
| NGK | 2288 | — | Buy |
| NGK | 4388 | — | Buy |
| K6RTQY | — | Buy | |
| V99750023 | — | Buy |
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