Sierra 18-15345 V-Belt
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Within 30 days
Sierra 18-15345 V-Belt Product Description
Keep your marine engine running smoothly through rough waters and high-demand conditions with the Sierra 18-15345 V-Belt. Designed specifically for outboard and stern drive applications, this high-performance belt delivers unmatched durability and power transfer, ensuring your boat performs reliably every time you hit the water.
Built Tough: Key Construction Features
Crafted with marine-grade materials, the Sierra 18-15345 V-Belt stands up to the harsh saltwater environment and intense vibrations common in boating. Its core strength comes from advanced engineering that prioritizes longevity and efficiency.
- Shock-Resistant Cords: High-strength synthetic cords are engineered to withstand sudden shock loads, preventing premature failure during acceleration or heavy wave action.
- Smooth Load Transfer: A specialized rubber compound in the compression section distributes forces evenly across the cords, reducing wear and maintaining consistent performance over extended runs.
- Precision-Molded Cogs: Molded to exact tolerances, these cogs enhance flexibility while providing robust cord support. The unique geometry promotes superior airflow, dissipating heat effectively to avoid thermal degradation in the cushion rubber.
- Grip-Enhancing Edges: Rubber edges ensure a secure, slip-free grip in pulley grooves, even under wet or oily conditions, maximizing power transmission.
Why This V-Belt Excels in Marine Use
Unlike standard belts that crack or stretch under marine stress, the Sierra 18-15345 maintains its shape and tension, reducing downtime and repair costs. Boaters trust it for its ability to handle high RPMs, temperature swings, and exposure to corrosive elements without compromising efficiency. Whether you're cruising coastal waters or tackling offshore adventures, this belt supports optimal engine operation, helping you focus on the journey rather than mechanical worries.
Pro Tips for Optimal Performance
To get the most from your Sierra 18-15345 V-Belt:
- Inspect Regularly: Check for cracks, glazing, or fraying every 50 hours of operation or before each season.
- Tension Matters: Adjust to the manufacturer's specs—too loose causes slippage, too tight accelerates wear.
- Clean Pulleys: Remove salt, debris, or old rubber residue for a clean mating surface.
- Store Smart: Keep spares in a cool, dry place away from direct sunlight to preserve flexibility.
These habits extend belt life significantly, saving you time and hassle on the water.
Frequently Asked Questions
What makes the Sierra 18-15345 V-Belt suitable for marine engines?
Its high-strength synthetic cords and heat-dissipating cogs are tailored for the vibrations, heat, and saltwater exposure typical in boating, ensuring reliable power transfer.
How does the cog design improve belt performance?
Precision-molded cogs increase flexibility, maintain cord integrity, and allow better airflow to prevent overheating, which extends the belt's service life.
What are common signs that it's time to replace a V-belt?
Look for squealing noises, visible cracks, excessive wear on sides, slippage during acceleration, or a shiny/glazed surface indicating loss of traction.
Does this belt resist shock loads effectively?
Yes, the reinforced synthetic cords are specifically designed to absorb and resist shock loads from rough seas or sudden throttle changes.
How can I ensure proper installation of the V-belt?
Align pulleys perfectly, route the belt correctly, and tension it so it deflects about 1/2 inch under moderate thumb pressure midway between pulleys. Run the engine briefly to check for issues.
Why won't this belt slip on wet pulleys?
The rubber edges provide positive, no-slip contact with grooves, even in damp or oily conditions common on boats.
How does the compression section benefit engine operation?
The special rubber compound ensures smooth, even load transfer to the cords, minimizing vibrations and maximizing power efficiency.
- High strength synthetic cords resist shockload failure.
- The compression section is a special rubber compound that 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. Cog geometry provides a large area for air circulation to keep the belt cool and prevent damaging heat build up in the cushion section.
- Rubber edges maintain positive, no-slip contact with pulley grooves.
Save $6 when you buy the Sierra 18-15345 V-Belt for only $23 from NVN Marine! Same day shipping before 3pm.
Sierra 18-15345 V-Belt Technical Specifications
| Type: | |
|---|---|
| Vendor: |
Sierra Engine Parts |
| Weight: |
0.2 lb |
| Eff. Length: |
34-1/2" |
| Top Width: |
29/64" |
| OEM #: |
57-74271T |
Sierra 18-15345 V-Belt User Reviews
Sierra 18-15345 V-Belt Shipping & Return
| Shipping Weight: |
0.2 lb |
|---|---|
| Box Sizes: |
0.00 (h) x 3.00 (w) x 15.00 (l) |
| Cubic Feet: |
0.0 |
| Returnable: |
Yes |
For detailed shipping policy please check our Shipping Policy and you can find our Return and Refund Policy here.