Buy Yamaha 150 Lower Unit Online

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nikhil

On July 1, 2025

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Best Places to Buy Yamaha 150 Lower Units Online

If you’re searching for the best place to buy a Yamaha 150 lower unit, you’re in the right harbor. With so many online options—OEM, aftermarket, refurbished—it’s easy to feel overwhelmed. But one thing is certain: reliable fitment, warranty, and expert support matter most when replacing your Yamaha 150 gearcase.

At AllBoatSupplies.com, we stock genuine OEM and high-performance aftermarket lower units, including the Yamaha SHO Lower Unit. Whether you’re a DIY boater or a marine technician, we’ve got your back—and your gearcase.

🎉 Bonus Deal: Use code WELCOME5 at checkout to get an instant 5% discount on your first order at AllBoatSupplies.com.

🛒 Top Places to Buy Yamaha 150 Lower Units Online

1. AllBoatSupplies.com – Trusted by Boaters Nationwide

AllBoatSupplies.com is your one-stop marine parts destination, offering:

OEM Yamaha 150 lower units with warranty
Aftermarket Yamaha SHO lower units for performance upgrades
Fitment support via live chat
Fast U.S. shipping and great pricing

💡 Use code WELCOME5 at checkout for 5% OFF your Yamaha 150 lower unit!

2. Yamaha Motorsports Official Store

The Yamaha Parts Catalog is the go-to source for OEM parts, factory-certified fitment, and excellent build quality.

✅ Best for: Outboard owners who want 100% original Yamaha parts with manufacturer backing.

3. SEI Marine Products

SEI Marine is a top-rated supplier of aftermarket gearcases. Their Yamaha 150 lower unit replacements offer:

Strong warranty (up to 3 years)
Great reviews from boaters and mechanics
Budget-friendly alternatives

4. Boats.net & Partzilla

These sites provide:

Fitment diagrams
Model breakdowns
Yamaha 150 lower unit listings with part number matching

✅ Great for: DIYers who want visual fitment charts.

⚙️ What to Look for in a Yamaha 150 Lower Unit

✅ Fitment Match Is Everything

Use your engine’s model number and shaft length to find the perfect match. At AllBoatSupplies.com, we make it easy with our Yamaha 150 Lower Unit Fitment Guide.

✅ New vs. Remanufactured Units

New OEM: Premium build, includes factory warranty
Aftermarket: Great value with warranty (like SEI or our Yamaha SHO Lower Unit)
Remanufactured: Lower cost, but lifespan may vary

✅ Gear Ratio & Shaft Length

Always confirm:

Your existing gear ratio (important for performance)
Shaft length (20″, 25″, or 30″)
2-stroke vs. 4-stroke compatibility

💡 Our tech support team at AllBoatSupplies.com is ready to help if you’re unsure!

🛠️ Yamaha 150 Lower Unit Installation Tips

Replacing a Yamaha 150 gearcase at home? Follow these essential steps:

Drain oil before removal
Use a lower unit stand or jack
Carefully align the driveshaft and shift shaft
Grease all splines
Torque to manufacturer specs

📺 Recommended video: How to install a Yamaha 150 lower unit – YouTube

🖼️ Image suggestion: yamaha-150-lower-unit-installation.jpg
Alt text: Yamaha 150 lower unit being installed on outboard engine

💵 Yamaha 150 Lower Unit Replacement Cost

The price depends on your choice:

Type	Estimated Price
OEM New	$1,400–$1,800
Aftermarket (SEI)	$950–$1,300
Remanufactured	$600–$1,000

💸 Shop smart at AllBoatSupplies.com – Use code WELCOME5 to save 5%!

🚤 Best Lower Unit for Yamaha 150 – OEM or Aftermarket?

Want a performance boost? Consider our popular Yamaha SHO Lower Unit:

Enhanced speed and torque
Ideal for anglers and high-speed boating
Reliable aftermarket alternative

Check out Signs of Lower Unit Failure to know when it’s time to replace your gearcase.

❓ FAQ – People Also Ask

🔧 How do I know if my Yamaha 150 lower unit is bad?

Symptoms include:

Excessive vibration
Slipping gears
Oil leaks
Noisy operation

❓ Are Yamaha SHO lower units compatible with the 150HP models?

Not directly. SHO units are usually designed for high-performance 150–250HP motors. Always match your part number or check with AllBoatSupplies.com’s fitment team.