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158563-51281 Marine + Industrial
O-RING, 4D S6
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OEM interchange
Other OEM part numbers for the same part — order from any of these makers or their dealers.
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 |
|---|---|---|---|---|
| JIS B2401 S6 | JIS B2401 | S-series O-ring - JIS S6 NBR; CS~1.5mm; standard JIS size; assortment kits cover | gallagherseals.com | likely |