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Upgrading or repairing the shift mechanism on your Mercury outboard just got simpler with the Sierra 18-2154 shift bus. This precision-engineered component serves as a direct replacement for the OEM Mercury 55-513 part, ensuring smooth gear engagement and reliable performance on the water. Whether you're dealing with worn-out bushings causing sloppy shifts or performing routine maintenance, this durable piece restores factory-like operation to your engine's lower unit.
The Sierra 18-2154 is tailored for a wide range of Mercury engines, typically fitting 4-cylinder to 6-cylinder models from 50HP up to 150HP. It's commonly used in gearcases where the shift rod interfaces with the lower unit assembly. Boaters often pair it with other Sierra engine parts for complete rebuilds, ensuring all components work in harmony.
Always verify your engine's serial number for precise fitment, as variations exist across model years.
Replacing the shift bus is a straightforward job that most boat owners can tackle in under an hour with basic tools. Here's a step-by-step overview:
Pro tip: Inspect the shift rod for straightness and the detent mechanism for wear while you're in there—addressing these prevents future issues.
To keep your new shift bus performing flawlessly, integrate it into your seasonal maintenance routine. Regularly check shift cable adjustments, flush the lower unit after saltwater runs, and monitor for any grinding noises during gear changes. Pairing this part with high-quality gear oil can extend its life significantly, keeping your boating adventures uninterrupted.
Equip your Mercury outboard with the Sierra 18-2154 and experience the difference in shift quality. It's more than a part—it's peace of mind for every trip on the water. Reliable, rugged, and ready for action.
Ships within 48 hours · Estimated delivery Sep 19 - Sep 24
US$40
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