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6TA-11603-00 Marine
PISTON RING SET (STD)
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Aftermarket equivalents cross-ref
Third-party equivalents (Jabsco, Sierra, WIX, Mann…) — not OEM; verify before ordering. Usually cheaper than the marine dealer.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| 13011-17020 | Toyota (1HD-T) | Piston ring set STD — ME421ST uses Yamaha/ART rings (6TA-11603-00); Land Cruiser 13011-17020 is the 1HD STD set but Yamaha often uses proprietary pistons under boost — DO NOT assume fit; measure | forum.ih8mud.com | unverified |