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158552-52400 Marine + Industrial
O-RING, 4E S42
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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 |
|---|---|---|---|---|
| JIS B2401 S42 | JIS B2401 | S-series O-ring - JIS S42 NBR CS~1.5mm; Yanmar code O-RING; 4E S42 | gallagherseals.com | likely |