Sierra 18-2752
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Within 30 days
Sierra 18-2752 Product Description
Upgrading or repairing your outboard motor's lower unit just got simpler with a reliable drive shaft designed for smooth power transfer and enduring performance on the water. This precision-engineered component ensures your engine delivers torque efficiently to the propeller, minimizing vibrations and maximizing propulsion in various boating conditions.
Crafted to meet the demands of avid boaters and professional mechanics alike, it slots seamlessly into popular outboard setups, restoring factory-like operation without the hassle of sourcing rare OEM pieces. Whether you're prepping for a weekend fishing trip or a long offshore adventure, this drive shaft keeps your vessel running strong.
Perfect Fit for Your Outboard Engine
Finding the right replacement shouldn't involve guesswork. This drive shaft aligns with a range of mid-range outboard models, bridging the gap between older reliable engines and modern upgrades. It's a direct match for systems requiring robust shaft support, ensuring compatibility without modifications.
- Supports engines in the 75-150 HP range commonly found on recreational boats.
- Cross-compatible with select Japanese and American outboard brands for versatile application.
- Engineered to OEM specifications, it installs using standard tools and procedures.
Always verify your lower unit specs during routine maintenance to confirm fitment, as variations in gearcase design can affect performance.
Engineered for Superior Durability and Performance
What sets this drive shaft apart is its thoughtful construction, blending high-grade materials with meticulous machining tolerances. It's built to withstand corrosive saltwater exposure, high-RPM stresses, and the constant flexing from prop thrust.
Standout Specifications
- High-strength stainless steel alloy resists pitting and fatigue over seasons of use.
- Precision-ground splines for flawless gear meshing and zero slippage.
- Balanced design reduces gear whine and extends bearing life.
- Heat-treated for enhanced torsional strength under peak loads.
Boaters report fewer breakdowns and smoother shifts after installation, turning potential downtime into more time enjoying the waves.
Unlock Better Boating with These Advantages
Investing in quality drivetrain parts pays off in reliability and efficiency. This drive shaft not only restores power delivery but elevates your overall boating experience.
- Enhanced Thrust: Direct power flow translates to quicker planing and better fuel economy.
- Longer Service Life: Outlasts generic alternatives in harsh marine environments.
- Easy Maintenance: Splines stay clean longer, simplifying inspections.
- Vibration Reduction: Smoother operation protects adjacent components like seals and gears.
- Cost Savings: Avoids expensive full lower unit rebuilds with proactive replacement.
Step-by-Step Installation Guide
Most DIY enthusiasts complete the swap in a few hours with basic tools. Here's a proven approach to get you back on the water fast:
- Secure the boat on a stable trailer and drain the lower unit gear lube.
- Remove the propeller, skeg, and gearcase housing bolts carefully.
- Extract the old shaft using a slide hammer if seized; clean mating surfaces thoroughly.
- Lubricate new splines with marine grease and slide into position, aligning with pinion gear.
- Reassemble with fresh seals, torque to spec, and refill with high-quality lube.
- Test run in a barrel or on calm water to check for leaks or unusual noises.
Pro tip: Mark the shaft's orientation before removal to maintain prop rotation direction.
Pro Tips for Long-Term Reliability
Keep your drive shaft performing like new with these maintenance habits:
- Inspect annually for wear, dings, or spline damage during winterization.
- Rinse with freshwater after every saltwater outing to prevent corrosion.
- Use anti-seize on threads during reassembly for future ease.
- Monitor gear lube color and level—milky fluid signals water intrusion.
- Pair with quality propellers to distribute load evenly.
Regular care can extend its life beyond five years, even in demanding commercial use.
Frequently Asked Questions
What engines is this drive shaft compatible with?
It's designed for mid-sized outboards around 75-150 HP from various brands, matching OEM specs for reliable fitment. Check your model's lower unit diagram for confirmation.
How do I know if my drive shaft needs replacing?
Look for symptoms like vibration, prop slippage, gear clash, or visible wear on splines. A professional compression test can also reveal related issues.
Is this part made from stainless steel?
Yes, it uses a corrosion-resistant stainless alloy, ideal for both freshwater and saltwater boating environments.
Can I install this myself?
Absolutely, with standard tools and mechanical know-how. Follow a detailed guide, and consider a service manual for torque specs.
Does it improve performance over stock?
It matches or exceeds OEM quality, often providing smoother operation and better durability due to modern manufacturing.
What maintenance is required after installation?
Routine gear lube changes every 100 hours, freshwater rinses, and annual inspections keep it in top shape.
Will this fix prop cavitation issues?
If worn shaft splines cause slippage, yes—it restores grip. Persistent cavitation may need prop or impeller checks too.
Save $33 when you buy the Sierra 18-2752 for only $54 from NVN Marine! Same day shipping before 3pm.
Sierra 18-2752 Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Sierra Engine Parts |
| Weight: |
1.38 lb |
Sierra 18-2752 User Reviews
Sierra 18-2752 Shipping & Return
| Shipping Weight: |
1.38 lb |
|---|---|
| Box Sizes: |
5.00 (h) x 5.00 (w) x 5.00 (l) |
| Cubic Feet: |
125.0 |
| Returnable: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.