Husqvarna 573978301 Hydro Pump Belt

Product Description

The HUSQVARNA 573978301 is a hydrostatic pump drive belt designed for use in Husqvarna lawn and garden equipment. This belt transfers power from the engine to the hydrostatic transmission pump, enabling smooth speed control and drive engagement. It is a direct OEM replacement part, maintaining the same dimensions and construction as the original to ensure proper tension and tracking. Licensed technicians and experienced equipment service professionals handle this type of drivetrain component as part of routine maintenance or after belt wear, slipping, or breakage is identified.

This hydro pump belt is intended for residential and light-duty lawn and garden applications. It is suited to riding mowers and tractors equipped with hydrostatic transmissions where a dedicated pump drive belt is part of the drivetrain layout. Refer to the equipment's service manual or parts diagram to confirm this belt routes correctly within the specific deck and transmission configuration before installation.

Key Features

• OEM replacement belt for Husqvarna hydrostatic transmission systems
• Designed to maintain correct tension and alignment on the pump drive pulley
• Built to OEM dimensional specifications for direct fitment
• Suitable for residential riding mower and lawn tractor applications

Compatibility

Designed as an OEM-style replacement hydrostatic pump drive belt for compatible Husqvarna lawn and garden equipment. Consult the equipment model's parts diagram using part number 573978301 to confirm fitment before ordering.

Installation Notes

Installation should be performed by a qualified small-engine or outdoor power equipment technician. Disconnect the spark plug wire and allow all moving parts to come to a complete stop before beginning belt replacement. Consult the equipment service manual for correct belt routing around the pump and idler pulleys. Inspect all pulleys and idler brackets for wear or damage before installing the new belt.

Technical Specifications

• Part Type: Hydrostatic Pump Drive Belt

Standard Information

• Brand: HUSQVARNA
• Manufacturer Part Number: 573978301