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43400-500450 Marine + Industrial
SEAL WASHER 12S
43400-500450 — Affiliate Parts Search
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Interchangeable OEM parts
Other part numbers in the same interchange cluster.
Aftermarket equivalents cross-ref
Different part numbers claimed interchangeable by third-party sources — not OEM, verify before ordering.
| Equivalent P/N | Brand | Description | Source | Confidence |
|---|---|---|---|---|
| DIN 7603 M12 | DIN 7603 / Dowty | M12 sealing washer · copper DIN7603 or Dowty bonded by bore; assortment kits cover; bolt M12 | fullerfasteners.com | likely |