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STM8243 Marine
Lager Bearing
STM8243 — Affiliate Parts Search
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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 |
|---|---|---|---|---|
| 0.3431.742 | Johnson | Johnson 0.3431.742 / 05-08-128 6203-2RSH = Vetus STM8243 · depth:bearings | depcopump.com | confirmed |
| 6203-2RSH | SKF | vetus DT/VD F7B RWP STM8921/STM8922 - Depco datasheet 0.3431.742 BALL BEARING 6203-2RSH qty2; Vetus spare guide lists STM8243 on those pumps · depth:bearings | depcopump.com | confirmed |
Standard component cross-ref
An industry-standard component — buy from any bearing / seal / o-ring house; just specify the designation.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| 6203-2RSH | Bearing | Any-house deep-groove 6203-2RSH (17x40x12) = Vetus STM8243 · depth:bearings | depcopump.com | confirmed |