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121252-42290 Marine
V-BELT(A:40INCH
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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 |
|---|---|---|---|---|
| A40 | Gates | Standard A-section V-belt 42in OD (Dayco/Bando same; 4L420) | vbelts4less.com | confirmed |