Collection: Poly V Belts
Designed with multiple longitudinal ribs for maximum surface contact, these belts reduce slippage, minimize vibration, and run quietly even under heavy loads. Perfect for automotive engines, lawn mowers, compressors, and industrial machinery.
✅ Fits OEM specs – Direct replacements for many OEM part numbers
✅ Built for durability – Resistant to oil, heat, and abrasion
✅ Smooth performance – High flexibility for compact pulley systems
✅ Applications – Automotive, HVAC, agricultural, and general industrial drive systems
Cross-reference available for Gates, Dayco, Continental, Bando, D&D, and more.

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Bestorq 445K18 Serpentine Belt
Regular price $34.62 USDRegular priceUnit price / per -
Bestorq 450K8 Serpentine Belt
Regular price $15.57 USDRegular priceUnit price / per -
Bestorq 450K10 Serpentine Belt
Regular price $19.45 USDRegular priceUnit price / per -
Bestorq 450J8 Serpentine Belt
Regular price $13.58 USDRegular priceUnit price / per -
Bestorq 450J6 Serpentine Belt
Regular price $10.18 USDRegular priceUnit price / per -
Bestorq 450J18 Serpentine Belt
Regular price $30.57 USDRegular priceUnit price / per -
Bestorq 450J10 Serpentine Belt
Regular price $16.98 USDRegular priceUnit price / per -
Bestorq 445K6 Serpentine Belt
Regular price $11.53 USDRegular priceUnit price / per -
Bestorq 440K18 Serpentine Belt
Regular price $34.23 USDRegular priceUnit price / per -
Bestorq 445K10 Serpentine Belt
Regular price $19.23 USDRegular priceUnit price / per -
Bestorq 445K8 Serpentine Belt
Regular price $15.38 USDRegular priceUnit price / per -
Bestorq 440K6 Serpentine Belt
Regular price $11.42 USDRegular priceUnit price / per -
Bestorq 438K18 Serpentine Belt
Regular price $34.07 USDRegular priceUnit price / per -
Bestorq 440K10 Serpentine Belt
Regular price $19.02 USDRegular priceUnit price / per -
Bestorq 440K8 Serpentine Belt
Regular price $15.22 USDRegular priceUnit price / per -
Bestorq 440J8 Serpentine Belt
Regular price $13.50 USDRegular priceUnit price / per
We strive for accuracy, but it is the customer’s responsibility to verify belt compatibility, specifications, and fitment before purchase. Use of an original equipment manufacturer (OEM) name is for reference only and does not imply endorsement or that the product is a direct OEM replacement unless clearly stated.
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