A78 Kevlar Belt

The A78 Kevlar Belt (SKU A78K) is a high-quality replacement drive belt measuring 1/2” wide with a 78” inside diameter. Engineered with durable Kevlar construction, this belt offers superior strength and longevity for demanding outdoor power equipment applications. It is compatible with COX V04 and V28 mowers, Simplicity models requiring OEM 1666801 or 1672135, and Viking (Stihl) units needing OEM 6121-931-4572, making it a versatile choice for reliable performance.

• Kevlar-reinforced construction for enhanced durability and resistance to stretching.
• Precise 1/2” width and 78” inside diameter for accurate fit and smooth operation.
• Direct replacement for multiple OEM part numbers including COX, Simplicity, and Viking (Stihl).

• COX V04 and V28 mowers
• Simplicity models using OEM 1666801 or 1672135
• Viking (Stihl) units requiring OEM 6121-931-4572

Replacement Drive Belts – durable Kevlar belts for lawn and garden equipment.