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Kevlar V-Belts (3L, A/4L, B/5L, C)

In a heavy-duty Kevlar belt, the polyester cords are replaced with the much stronger Kevlar cords. When using machinery with a back-side idler, the Kevlar/Aramid cord v-belt takes a beating. We carry a huge inventory of Kevlar v-belts for a variety of applications—find the perfect v-belt here in the renowned Kevlar material for superior performance!


Kevlar V-Belts (3L, A/4L, B/5L, C)
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Viewing 1-12 of 703 Kevlar V-Belts (3L, A/4L, B/5L, C)

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  1. Kevlar V-Belt
    3L210K / 3LK210 Belt, Commercial Kevlar Belt
    This 3L210K/3LK210 3L Kevlar V-belt measures 3/8 Inch Top Width X 21 Inch Outside Measurement
    Special Price $3.81 Regular Price $8.59
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  2. 4LK200 / 4L200K Belt, Commercial Kevlar Belt
    4LK200 / 4L200K Belt, Commercial Kevlar Belt
    V-Belt, 4LK, (0.5in x 20in OC) (AK18) SHIPS AS 4LK200 ^^ Ships as 4LK200 or A18K - 1/2 Inch Top Width X 20 Inch Outside Diameter
    Special Price $3.90 Regular Price $5.76
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  3. A18K Blue Kevlar Belt
    A18K Belt, Classical Dry Wrap Kevlar L&G V-Belt
    A Section Kevlar A18K V-belt dimensions: 1/2" Top Width X 20" Outside Circ.
    Special Price $3.90 Regular Price $5.45
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  4. Kevlar V-Belt
    3L220K / 3LK220 Belt, Commercial Kevlar Belt
    V-Belt, 3LK, (0.375in x 22in OC) SHIPS AS 3LK220 ^^ Ships as 3LK220 or 3L220K - 3/8 Inch Top Width X 22 Inch Outside Diameter
    Special Price $3.99 Regular Price $8.96
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  5. 4LK210 / 4L210K Blue Kevlar Belt
    4LK210 / 4L210K Belt, Commercial Kevlar Belt
    V-Belt, 4LK, (0.5in x 21in OC) (AK19) SHIPS AS 4LK210 ^^ Ships as 4LK210 or A19K - 1/2 Inch Top Width X 21 Inch Outside Diameter
    Special Price $4.10 Regular Price $7.22
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  6. A19K Blue Kevlar Belt
    A19K Belt, Classical Dry Wrap Kevlar L&G V-Belt
    V-Belt, 4LK, (0.5in x 21in OC) (AK19) SHIPS AS 4LK210 ^^ Ships as 4LK210 or A19K - 1/2 Inch Top Width X 21 Inch Outside Diameter
    Special Price $4.10 Regular Price $5.76
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  7. Kevlar V-Belt
    3L230K / 3LK230 Belt, Commercial Kevlar Belt
    V-Belt, 3LK, (0.375in x 23in OC) SHIPS AS 3LK230 ^^ Ships as 3LK230 or 3L230K - 3/8 Inch Top Width X 23 Inch Outside Diameter
    Special Price $4.17 Regular Price $9.37
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  8. A20K Blue Kevlar Belt
    A20K Belt, Classical Dry Wrap Kevlar L&G V-Belt
    V-Belt, 4LK, (0.5in x 22in OC) (AK20) SHIPS AS 4LK220 ^^ Ships as 4LK220 or A20K - 1/2 Inch Top Width X 22 Inch Outside Diameter
    Special Price $4.30 Regular Price $7.59
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  9. Kevlar V-Belt
    3L240K / 3LK240 Belt, Commercial Kevlar Belt
    V-Belt, 3LK, (0.375in x 24in OC) SHIPS AS 3LK240 ^^ Ships as 3LK240 or 3L240K - 3/8 Inch Top Width X 24 Inch Outside Diameter
    Special Price $4.36 Regular Price $9.78
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  10. 4LK230 / 4L230K Blue Kevlar Belt
    4LK230 / 4L230K Belt, Commercial Kevlar Belt
    V-Belt, 4LK, (0.5in x 23in OC) (AK21) SHIPS AS 4LK230 ^^ Ships as 4LK230 or A21K - 1/2 Inch Top Width X 23 Inch Outside Diameter
    Special Price $4.49 Regular Price $7.27
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  11. A21K Blue Kevlar Belt
    A21K Belt, Classical Dry Wrap Kevlar L&G V-Belt
    V-Belt, 4LK, (0.5in x 23in OC) (AK21) SHIPS AS 4LK230 ^^ Ships as 4LK230 or A21K - 1/2 Inch Top Width X 23 Inch Outside Diameter
    Special Price $4.49 Regular Price $11.61
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  12. Kevlar V-Belt
    3L250K / 3LK250 Belt, Commercial Kevlar Belt
    V-Belt, 3LK, (0.375in x 25in OC) SHIPS AS 3LK250 ^^ Ships as 3LK250, Color Blue Depth 7/32" Material Aramid Cord OC Length 3/8" X 25" Top Width 3/8" Type 3L-SECTION WRAPPED BELT
    Special Price $4.53 Regular Price $10.19
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Kevlar V-Belts: Changing the Standard

  • Strength That Doesn't Quit: Belts that take on stress, heat, and wear like nothing else.
  • Lightweight Performance: Less weight, more efficiency.
  • Extreme Durability: Outlasts standard rubber by miles.
  • Precision Engineering: Engineered for accuracy and maximum power transfer.

Where Kevlar V-Belts Shine

  • Automotive Applications: Kevlar belts for high-stress engine conditions. Built for serious mechanics.
  • Mower and Agricultural Equipment: Designed to handle tough terrain and constant use.
  • Snow Blowers & Other Equipment: Perfect for snow blowers, chain saws, and weekend warrior tools.

Heavy-Duty Kevlar Belts: The Science Behind the Performance

Kevlar's molecular structure sets it apart. Aramid fibers are strategically woven for max tensile strength with minimal stretch. Translation? More power, less waste.

Kevlar: The Technical Breakdown

  • Tensile Strength: Up to 5x stronger than standard rubber belts.
  • Heat Resistance: Performs in extreme temperatures.
  • Corrosion Resistance: Withstands harsh chemicals.

When to Upgrade to Kevlar V-Belts

Not all machines need Kevlar, but many benefit from it. Know the signs:

  • Visible fraying or cord exposure
  • Consistent slipping under load
  • Reduced performance in high-stress applications
  • Frequent belt replacements

If you’re replacing belts often, Kevlar might be the smarter choice.

Choosing Your Kevlar V-Belt: Pro Tips

  • Know Your Specs: Measure twice, replace once.
  • Consider Your Application: Not all belts are created equal.
  • Don't Cheap Out: Performance costs, but downtime costs more.

Frequently Asked Questions

Are Kevlar V-Belts worth the extra cash?
Absolutely. It’s an investment in performance and durability.

How much longer do Kevlar belts last?
2-3 times the lifespan of standard belts.

Can I install these myself?
If you’re handy and understand tension specs, yes. Otherwise, call a pro.

Why VBelt Supply Gets It

We don’t just sell belts—we offer performance solutions. Every Kevlar V-Belt is:

  • Precision-engineered
  • Rigorously tested
  • Backed by real-world performance

SHOP NOW

Browse our vast inventory with a quick search to find the exact Kevlar belt you’re looking for. Need assistance? Call us! Run a shop or parts store? Ask about bulk discounts. Don’t forget: free ground shipping on orders over $149. We’ve got your back!

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