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Mitsuboshi Super KB Standard V-Belt 0.5 in. W X 44 in. L For Riding Mowers

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Mitsuboshi Super KB Standard V-Belt is a reliable, purpose-built drive belt designed specifically for riding mowers. Engineered to deliver consistent power through a standard belt…

Mitsuboshi MPN 4LK440A In Stock & Ready to Ship
Local Price Check i Local stores may price this as low as $19.99. Our online price is $21.99.
$21.99
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About Product Overview

Mitsuboshi Super KB Standard V-Belt is a reliable, purpose-built drive belt designed specifically for riding mowers. Engineered to deliver consistent power through a standard belt drive, this belt helps maintain smooth deck operation, reliable blade engagement, and dependable torque transfer during mowing sessions.

Key dimensions and profile copy you can count on in the field:

  • Width x Length: 0.5 in. (W) x 44 in. (L)
  • Cross-section: 4LK — a common, widely compatible profile for riding mower drive systems
  • Style: Standard — designed for traditional belt-driven layouts
  • Color: Gray — practical and easy to inspect against mower components
  • Packaging: Sleeve — helps protect the belt during storage and handling
  • Brand and line: Mitsuboshi Super KB — trusted performance from a recognized belt family

Why this belt stands out for riding mower use

The Super KB belt from Mitsuboshi is crafted for durability under the typical demands of riding mower operation. With a precise 0.5 inch width and a 44 inch length, it aligns with many OEM drive systems, reducing fitment guesswork and installation time. The 4LK profile is a proven choice for stable belt tracking and reliable power transfer across pulleys, helping your mower maintain consistent deck engagement and drive performance through varied terrains.

Ideal use cases

  • Replacing a worn or cracked drive belt on mid- to full-size riding mowers to restore smooth operation and blade engagement.
  • Seasonal belt maintenance to prevent unexpected downtime during peak mowing windows.
  • Repairs where a standard-width, standard-length belt with a 4LK cross-section is specified by the mower’s belt documentation.

Practical installation and compatibility tips

Before installing, verify your mower’s belt code matches 4LK with a 0.5 inch width and 44 inch length. Route the belt carefully around pulleys, ensure proper tracking, and follow the mower manufacturer’s tension guidelines for optimal performance. Inspect pulleys and grooves for wear or damage to avoid premature belt failure and to extend the overall life of your drive system.

What you get: 1 x Mitsuboshi Super KB Standard V-Belt (0.5 in W x 44 in L, 4LK cross-section, gray), packaged for protection and easy handling.

Designed for riders who want dependable performance, straightforward replacement, and a belt that harmonizes with standard mower drivetrains. If your riding mower calls for a 4LK, 0.5" x 44" belt, the Mitsuboshi Super KB Standard V-Belt is a precise, trusted choice that keeps weekend mowing on schedule.

The Details Specifications

Brand Mitsuboshi
SKU 25610
UPC 034494544405
Unit 0
Case Pack Quantity 1 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 20 × 5 × 1
Weight 0 lbs
Cubic Feet 0.03131 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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