Mower Deck Belt 1/2″ x 87-1/4″ – Replaces John Deere GX21986 M40223

$2.99 - $4.99 (Tiered EXW Pricing)

Premium aftermarket mower deck belt in 1/2" X 87-1/4" size for reliable power transmission and long-lasting performance. Designed as a replacement for compatible John Deere equipment and OEM reference GX21986.

  • Premium Reinforced Construction – Fabric-covered neoprene rubber with aramid-reinforced tensile cords and fiber reinforcement for enhanced durability and dependable power transmission.
  • Factory-Direct Wholesale Pricing – Competitive bulk pricing directly from our manufacturing facility in China.
  • OEM Manufacturing Expertise – Consistent manufacturing quality and dependable wholesale supply for aftermarket applications.
  • OEM/ODM Customization – Custom materials, belt sizes, specifications, private labeling, and packaging available upon request.
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SKU: GKBLT-000546 Categories: , Tags: , , , ,

Explore this aftermarket mower deck belt for John Deere equipment references, listed in size 1/2" X 87-1/4". Review the technical specifications, source-listed OEM references, and application information below. Confirm fitment before ordering.

Technical Specifications

Product Code / SKU GKBLT-000546
Product Family Replacement Belts
Belt Application Mower Deck Belt
Belt Size 1/2" X 87-1/4"
Belt Width 1/2"
Belt Length 87-1/4"
Belt Construction Covered
Compatible Brand / Source Group JOHN DEERE

The belt length measurement convention and equipment fitment have not been independently verified.

OEM Cross Reference & Interchange Numbers

OEM references below are copied from the supplied source. Verify interchangeability against equipment documentation before ordering.

Supported Brand / Source Group OEM Part Number / Cross Reference
JOHN DEERE GX21986, M40223, M86996, M13790, M82721

Compatible Equipment & Fitment Notes

Source Brand / Group Compatible Models / Application Notes (Original Source)
JOHN DEERE Deck belt. Fits John Deere lawn tractors. Found on John Deere models: 116, 130, 170, 175, 180, 185, 190C; Traction drive belt for 100 series with 54” deck.

Common Compatibility

• John Deere: Select lawn and garden tractors (such as the 116, 116H, 130, 170, 180, 190C, and related models)
• Toro / Scotts / Murray / AYP equivalents: Fits various 38", 46", and 54" decks or power-train configurations

Fitment verification note: Application and OEM information is source-provided and has not been independently validated against manufacturer catalogs. Confirm the exact equipment model, OEM number, belt profile, dimensions and drive configuration before ordering. OEM names identify reference applications and do not imply brand affiliation.

Wholesale & Bulk Supply Inquiry

For an inquiry, provide the SKU or OEM reference, dimensions and requested quantity. Pricing, inventory and customization availability are not specified in the supplied source and must be confirmed separately.

Belt Type

Belt Width

Belt Length