29 inches effective length
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Sierra Marine engine parts are designed to meet or exceed the OEM part they are intended to replace and they are backed by the SeaStar Solutions Two-Year Warranty—one of the best in the business.
We offer a variety of Sierra engine parts for most engine applications on the water today—including MerCruiser, OMC, Johnson/Evinrude, Volvo and more.
Key Features of Sierra V-Belts
- High-strength synthetic cords resist shock load
- Low-stretch properties assure uniform performance over the life of the belt
- Special rubber compound section assures smooth and even transfer of load forces to the cords
- Cogs are molded to precise engineering tolerances to improve flexibility and maintain cord support
- Rubber edges maintain positive, no-slip contact with pulley grooves
V-Belt Applications
| Sierra Part | Application | Replaces OEM Part | Effective Length | Top Width | Model |
|---|---|---|---|---|---|
| 18-15550 | Mallory | 9-55000 | 55″ or 139.7cm | 29/64″ or 11.5mm | 10533602 |
| 18-15550 | MerCruiser Stern Drive | 57-13458, 57-13458T, 57-13458Q | 55″ or 139.7cm | 29/64″ or 11.5mm | 10533602 |
| 18-15490 | Mallory | 9-55007 | 52 1/2″ | 29/64″ or 11.5mm | 10533560 |
| 18-15490 | MerCruiser Stern Drive | 57-816295T, 57-816295Q | 52 1/2″ | 29/64″ or 11.5mm | 10533560 |
| 18-15290 | MerCruiser Stern Drive | 57-53215, 57-53215T, 57-13457T, 57-13457, 57-13457Q | 29″ or 73.7cm | 29/64″ or 11.5mm | 10533438 |
| 18-15480 | Mallory | 9-55003 | 48″ or 121.9cm | 29/64″ or 11.5mm | 4378360 |
| 18-15480 | MerCruiser Stern Drive | 57-48122, 57-48122Q | 48″ or 121.9cm | 29/64″ or 11.5mm | 4378360 |
| 18-15300 | MerCruiser Stern Drive | 57-49756 | 30″ or 76.2cm | 29/64″ or 11.5mm | 10533446 |
| 18-15370 | Mallory | 9-55005 | 37″ or 94cm | 29/64″ or 11.5mm | 10533479 |
| 18-15370 | MerCruiser Stern Drive | 57-65607, 57-65607Q | 37″ or 94cm | 29/64″ or 11.5mm | 10533479 |
| 18-15370 | Mercury Marine | 57-65607T | 37″ or 94cm | 29/64″ or 11.5mm | 10533479 |
| 18-15345 | MerCruiser Stern Drive | 57-74271, 57-74271Q | 34 1/2″ or 87.6cm | 29/64″ or 11.5mm | 10533461 |
| 18-15345 | Mercury Marine | 57-74271T | 34 1/2″ or 87.6cm | 29/64″ or 11.5mm | 10533461 |
| 18-15470 | MerCruiser Stern Drive | 57-78200, 57-78200A1, 57-78200Q1 | 47″ or 119.4cm | 29/64″ or 11.5mm | 4378428 |
Engine Parts Selector
If you do not see the V-Belt (or other engine part) you need, please visit the Sierra Engine Parts Selector, where you can search by engine make, model, serial number or year of manufacture.
