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3857532 Marine
Oil pressure sensor
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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 |
|---|---|---|---|---|
| 18-5899 | Sierra | SENDER not switch; 80 PSI single-station; 1/8-27 NPT; US ohm scale; also listed at marineengineparts.com / macombmarineparts.com - depth:oil-pressure-sensors | harbortechmarine.com | confirmed |
| 360-801 | VDO | Sierra 18-5899 interchange lists VDO 360-801 / 360 801; same 80 PSI NPT sender family - depth:oil-pressure-sensors | harbortechmarine.com | confirmed |
| 360801 | VDO | Alternate spacing of VDO 360-801 as printed on Sierra interchange tables - depth:oil-pressure-sensors | marineengineparts.com | confirmed |