ACDelco R5603 Spark Plug
Specs, cross-brand equivalents, vehicle fitment, and live prices for the ACDelco R5603.
Cross-reference equivalents
| Brand | Part | Metal | Buy |
|---|---|---|---|
| NGK | BKR6EKC | Copper | Buy |
| NGK | BKUR6EK | Copper | Buy |
| Bosch | FR8KDC | Copper | Buy |
| Beru | 14FR-7KDU | — | Buy |
| Beru | Z123 | — | Buy |
| Bosch | FR7KDC | Copper | Buy |
| Champion | OE030 | Copper | Buy |
| Champion | RC8BYC | Copper | Buy |
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