Spark plug replaces MTD / Ryobi 791-180852B. Fits 4-cycle trimmers. Replaces Torch A4RTF and Champion RDZ19H
| OEM Replacement This part is aftermarket equipment designed to replace the original manufacturer's part numbers specified here. It is manufactured using high-quality materials, to the same specifications as the original part. | Ryobi 791-180852B, MTD 791-180852B, Torch A4RTF, Champion RDZ19A, Champion RDZ19H |
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