Belt Drive Parts for Pressure Washers

Keep your belt drive pressure washers running smoothly with professional replacement belts, sheaves, bushings, and drive components. Our selection includes everything needed to maintain, repair, or build belt drive systems for commercial pressure washers, from individual belts to complete drive kits.

Complete Belt Drive Solutions

• V-Belts: Single groove 3VX-section V-belts in multiple lengths (335, 355, 400, 425, 450) for various engine and pump configurations
• Banded Belts: Multi-groove banded belts including 3-groove and 4-groove configurations for high-power applications requiring maximum power transfer
• BX-Section Belts: Cogged BX-section belts (BX-34, BX-40, BX-46) for specific drive applications
• Sheaves & Pulleys: Engine and pump sheaves in 3-groove and 4-groove configurations, ranging from 2.8" to 6.9" OD for different speed ratios
• Bushings: SH, SK, JA, and SDS bushings in multiple bore sizes (1", 1-1/8", 24mm) for mounting sheaves to shafts
• Belt Guards: Bandit belt guards for 13HP engines and V-twin configurations for safety and protection
• Belt Tensioner Kits: Complete tensioner assemblies for maintaining proper belt tension
• Complete Drive Kits: Pre-matched engine/pump bushing and pulley kits with belts for turnkey installations
• Accessories: Pump rails, belt drive stands, and polychain sprocket hardware

Whether you're performing routine maintenance, replacing worn components, or building a custom belt drive system, our inventory covers the essential parts needed for reliable operation. Proper belt tension, correct sheave sizing, and quality components prevent slippage, reduce vibration, and ensure efficient power transfer from engine to pump. Belt drive systems run quieter and extend pump life compared to direct drive configurations, making regular maintenance a smart investment in equipment longevity.

Looking for complete belt drive systems? Browse our pressure washer units. Need pumps and engines? Check out our pumps, engines, and complete product catalog.