Skip to content
Free Local Pickup â—Ź Ship to Your Hometown Store
Pro & Contractor Accounts â—Ź Apply for Net Terms
100,000+ Products â—Ź Trusted American Hardware Brands
FAQ Shipping & Returns Order Lookup Contact Account
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers
Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers

Mitsuboshi Super KB Standard V-Belt 0.63 in. W X 45 in. L For Riding Mowers

Made in America

Support American manufacturers + independent hardware retailers in one purchase.

Meet the Mitsuboshi Super KB Standard V-Belt, a purpose-built drive belt engineered for riding mowers that demand dependable power and long-lasting performance. With a precise 0.63…

Mitsuboshi MPN 5LK450A
Sold Locally Only

This product isn’t sold on our website — see your local hardware store.

Typical Store Price i
Typical store price: low $22.99, average $26.99
In-Store Exclusive

This one's worth the trip to the store.

Brands like Weber, Milwaukee, Yeti, and DeWalt restrict where their products can be sold online — and for good reason. In-store buyers get authentic products, full manufacturer warranty, and access to pricing that simply isn't allowed to be advertised on the web.

  • Authorized dealer network · Full manufacturer warranty & support
  • Guaranteed authentic · No counterfeits, no gray-market resellers
  • The brands set these standards · Be wary of sellers who don't follow them
Why isn't this online? The whole story →
Shop Local · Support Independent

Every order helps keep your local hardware store on the corner.

Why we built NHG
You might find it for less locally. Independent retailers often offer competitive pricing — some products are even cheaper in-store than online.
Real expert advice — not search results. Independent hardware staff know their inventory and the local conditions you're working in.
Keep the neighborhood working. Every dollar spent at an independent retailer returns roughly 3x more to your local economy than at a national chain.

About Product Overview

Meet the Mitsuboshi Super KB Standard V-Belt, a purpose-built drive belt engineered for riding mowers that demand dependable power and long-lasting performance. With a precise 0.63 in width and 45 in length, this standard 5LK belt is a deliberate, exact-fit solution for your mowing setup.

  • Exact fit for 5LK pulley systems — optimized for reliable tensioning, reduced slip, and extended belt life on riding mowers.
  • Dimensions you can trust — 0.63 in width and 45 in length align with common riding mower configurations to prevent improper fit and maximize efficiency.
  • Super KB durability — part of Mitsuboshi’s trusted KB line, designed to withstand the torque and heat of regular mowing tasks.
  • Sleeve packaging — protective packaging that keeps the belt in top condition from warehouse to install.
  • Low-profile gray finish — a classic, unobtrusive look that blends into most engine bays while signaling genuine Mitsuboshi quality.
  • Versatile for homeowners and professionals — an ideal replacement belt for seasonal maintenance, spare-in-the-truck-mentality, or rebuilds on aging drive systems.

Why this belt stands out: the 5LK cross-section and 45-inch length are common, widely compatible specifications for riding mowers, allowing for straightforward upgrades without aftermarket guessing. The Mitsuboshi Super KB design prioritizes consistent power transmission, smoother acceleration, and steadier belt tracking—helping you avoid downtime and unnecessary wear on pulleys and bearings.

Practical guidance for installation and longevity:

  • Verify compatibility with your mower’s manual and confirm it uses a 5LK belt in the 45-inch length and 0.63-inch width.
  • Inspect pulleys and tensioners for wear before installation to ensure optimal belt performance.
  • Follow manufacturer tension guidelines during installation to achieve proper grip and minimize belt slip.
  • Keep an eye on belt wear during the mowing season and replace proactively to maintain consistent mowing performance.

The Details Specifications

Brand Mitsuboshi
SKU 2006682
UPC 034494554503
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 0.04514 ft³
Country of Origin USA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

Ask our counter. Or theirs.

Most hardware stores can do more than you think. If we can't help you, the folks down the street probably can — just ask at the counter.

What we offer
Free Local Pickup Ship to your hometown store
Pro & Gov Accounts Net terms · tax-exempt
Ships Nationwide From our distribution network
Independent Network Real hardware stores
$0.68 of every dollar spent at a local independent business stays in the community. At a national chain, it's about fifteen cents. Civic Economics, multi-city retail studies
Their Counter
Try local first · we'll wait

The stores we send you to are local and independently run — often for generations, the kind of place where someone behind the counter knows the regulars. We don't own them. We just think they deserve the foot traffic. They can put most of what we sell on their next truck. Ask there before you check out here.

Find a local store →
Mon–Fri 6–5 PST
Independent hardware retailer? Join the network →
About our directory. National Hardware Group is an independent retailer and directory. The local stores we list and link to are separately owned and operated — we have no ownership stake in any of them, and most pay us nothing to be included. That includes plenty of stores flying a co-op banner that people don't realize are locally owned and run, not operated by a corporation. Store owners can choose to upgrade their listing for an enhanced presence or pickup features, but the base directory is free, and inclusion is never a paid endorsement.

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare