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Keep your Yamaha outboard running smoothly on the water with the Sierra 18-2082 Seal-Trim, a precision-engineered replacement for the OEM Yamaha part #64E-4384J-00-00. Designed for boaters who demand reliability and performance, this trim seal protects critical components from water intrusion, corrosion, and wear—essential for maintaining peak engine efficiency during long days on the lake or open sea.
What sets the Sierra 18-2082 apart? It's crafted from high-grade, marine-specific materials that resist UV exposure, saltwater, and extreme temperatures, outperforming stock seals in demanding conditions. Boaters report fewer leaks and longer service intervals, saving time and hassle during routine maintenance.
The Sierra 18-2082 is a direct OEM replacement, ensuring a seamless fit without modifications. It's compatible with a range of Yamaha four-stroke outboards, including popular models in the 115-200 HP range like the F115, F150, and LF150 series. Always cross-check your engine's serial number for exact compatibility to avoid any surprises.
Pro tip: Pair it with fresh gear lube during installation for optimal protection against gearcase wear.
Replacing your trim seal doesn't require a marine mechanic. Follow these straightforward steps to get back on the water fast:
For video tutorials, search for "Yamaha outboard trim seal replacement" on boating forums—real-world footage from fellow owners makes it foolproof.
Investing in the Sierra 18-2082 means fewer breakdowns and lower ownership costs. This seal prevents water from entering the trim system, which can lead to hydraulic failures or costly repairs. Regular inspections—every 100 hours or annually—extend its life: look for cracks, swelling, or oil residue.
Compared to OEM parts, Sierra delivers comparable quality at a fraction of the wait time, with consistent availability for spontaneous upgrades. Anglers and recreational boaters love how it handles rough chops without weeping fluid, keeping hydraulics responsive for precise control.
It's a direct replacement for Yamaha #64E-4384J-00-00, fitting select four-stroke outboards like F115, F150, LF150, and similar models in the 115-200 HP class. Verify your engine serial for confirmation.
Yes, Sierra uses premium materials engineered to match or exceed OEM performance, with proven durability in saltwater and freshwater environments.
Signs include hydraulic fluid leaks, sluggish trim operation, or visible cracks/swelling on the seal. Check during oil changes.
Basic kit: seal puller, driver/socket, marine grease, torque wrench, and gear oil. No special Yamaha tools required.
Absolutely—it's built with corrosion-resistant compounds ideal for saltwater, UV, and high-pressure conditions.
Every 2-3 years or 300 hours of use, depending on conditions. Proactive replacement prevents bigger issues.
Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
US$40
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