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Mitsuboshi Super KB Standard V-Belt 0.5 in. W X 40 in. L For Riding Mowers

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Upgrade your riding mower with the Mitsuboshi Super KB Standard V-Belt—a precise 0.5 in. wide by 40 in. long drive belt designed to keep your lawn equipment moving smoothly from se…

Mitsuboshi MPN 4LK400A In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $16.99. Our online price is $18.99.
$18.99
Includes free shipping on orders over $75 · $8.99 standard below
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About Product Overview

Upgrade your riding mower with the Mitsuboshi Super KB Standard V-Belt—a precise 0.5 in. wide by 40 in. long drive belt designed to keep your lawn equipment moving smoothly from season to season. Built in the reliable 4LK profile, this gray belt is a dependable choice for replacement when your current belt shows wear or stretch that affects transmission performance.

Why this belt stands out

  • 4LK cross-section delivers consistent power transfer for riding mowers, balancing flexibility and strength to handle regular mowing demands.
  • 0.5 in. width x 40 in. length provides a precise fit for equipment that requires a standard 4LK belt, helping maintain proper pulley alignment and drive performance.
  • Standard style for everyday use, engineered to withstand the torque and load of typical residential and light commercial mowing tasks.
  • Gray color and sleeve packaging for practical storage and protection during shipping and handling.
  • Brand reliability with Mitsuboshi’s Super KB lineup, known for durable drive belts that resist wear and reduce downtime.

Who this is for

Ideal for homeowners and outdoor enthusiasts maintaining riding mowers that require a 40-inch, 4LK belt. If your mower’s drivetrain specifies a 0.5-inch wide belt in a 40-inch length, this Mitsuboshi Super KB belt is a direct, high-fit replacement that supports smooth blade engagement and steady transmission performance.

Use cases and practical benefits

  • Routine replacement to prevent belt slip, reducing blade speed fluctuations and improve mowing consistency.
  • Seasonal maintenance to avoid unexpected downtime during peak cutting months.
  • Part of a preventative maintenance kit for extended mower life and reliable starts each season.

With the Mitsuboshi Super KB Standard V-Belt, you’re choosing a purpose-built solution for riding mowers that prioritize dependable drive performance, durable construction, and a straightforward install. Equip your mower with this standard 4LK belt and keep your yard work moving without interruption.

The Details Specifications

Brand Mitsuboshi
SKU 24120
UPC 034494544009
Unit 0
Case Pack Quantity 1 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 18 × 3 × 1
Weight 0 lbs
Cubic Feet 0.02188 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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