Hustler 606371 Pump Drive Belt | OEM Super S Series

Hustler 606371 OEM Pump Drive Belt

The Hustler 606371 Pump Drive Belt is a genuine OEM hydraulic pump drive belt for select Hustler Super S Series zero-turn mowers. This belt transfers power from the engine to the hydraulic pump drive system, helping deliver smooth ground speed control and reliable drive performance.

A worn, stretched, cracked, or slipping pump drive belt can cause weak drive power, inconsistent speed control, vibration, poor hydraulic response, or premature wear to related pulleys, pumps, and bearings. Replacing it with the correct OEM Hustler belt helps restore proper hydraulic drive operation.

Always verify your full Hustler model number, serial number, original belt part number, belt routing, and parts manual before ordering. This is a hydraulic pump drive belt, not a mower deck belt, PTO belt, or traction belt.

Product Details

Compatible Hustler Super S Model References

Hustler 606371 is used on select Hustler Super S Series zero-turn mowers. Use the model references below as a guide only. Always confirm your exact model number, serial number, and parts manual before ordering.

Important: Model family and deck size alone are not enough to confirm fitment. Belt routing and part numbers can vary by production range, serial number, and drivetrain setup.

Key Features

• Genuine OEM Hustler pump drive belt
• Part number 606371
• Designed for select Hustler Super S Series zero-turn mowers
• Used in the engine-to-hydraulic pump drive system
• Helps provide consistent power transfer to hydraulic pumps
• Supports smooth ground speed control and drive response
• Heavy-duty construction helps resist stretching, cracking, slipping, and heat buildup
• Factory-correct replacement when listed in your Hustler parts manual

Why Choose an OEM Hustler Pump Drive Belt?

The hydraulic pump drive belt is a critical part of the mower’s ground drive system. It helps transfer engine power to the hydraulic pumps that control movement and speed. An incorrect or worn belt can reduce drive performance and place extra stress on expensive drivetrain components.

Genuine Hustler pump drive belts are engineered for the correct belt profile, length, tension, and load requirements of compatible Hustler mowers. When your parts manual lists 606371, using the correct OEM belt helps protect the hydraulic pumps, pulleys, bearings, and related drive components.

• Correct fit when specified by Hustler
• Designed for compatible Super S hydraulic pump drive systems
• Helps maintain smooth forward and reverse response
• Reduces guesswork compared to universal replacement belts
• Recommended for commercial mowing and heavy-use applications where specified

Common Signs of a Worn Pump Drive Belt

Replace your pump drive belt if it shows signs of wear or if drive performance has changed. A failing pump drive belt can affect mower movement, speed control, and hydraulic response.

• Reduced drive power
• Inconsistent ground speed
• Mower feels weak or sluggish when driving
• Belt slips under load
• Belt is cracked, frayed, glazed, or stretched
• Drive system vibration or belt noise
• Hydraulic response feels inconsistent
• Parts manual lists Hustler 606371 for your mower

Important Notes

• This is a hydraulic pump drive belt
• This is not a deck belt
• This is not a PTO belt
• This is not a general traction belt unless specifically listed in your parts manual
• Designed for select Hustler Super S Series applications only
• Verify model, serial number, belt routing, and original part number before ordering

Pre-Purchase Checklist

Before ordering Hustler 606371, confirm:

• Your full Hustler model number
• Your mower serial number
• Your original belt part number
• Your mower is a compatible Super S Series model
• Your belt routing matches the Hustler parts diagram
• Your parts manual lists 606371 for your exact mower
• Your pump pulleys, idlers, belt guides, and tensioning components are in good condition

Installation and Service Notes

Pump drive belt replacement should be performed with the mower turned off, key removed, parking brake engaged, and all moving parts stopped. Inspect the hydraulic pump pulleys, engine pulley, idlers, belt guides, and tensioning components before installing a new belt.

• Follow the belt routing shown in the Hustler parts manual
• Inspect pump pulleys and idlers for wear, wobble, or bearing noise
• Check belt guides and tensioning hardware
• Make sure the belt is seated correctly in every pulley
• Replace worn idlers or pulleys before installing the new belt
• Test forward and reverse drive operation carefully after installation

Part Number / Search Terms

Hustler 606371 may also be searched as:

• Hustler 606371
• 606371 pump drive belt
• Hustler 606371 belt
• Hustler OEM 606371 belt
• Hustler hydraulic pump belt
• Hustler pump drive belt
• Hustler Super S pump drive belt
• Hustler Super S hydraulic belt
• Hustler Super S drive belt
• Hustler 48 Super S pump belt
• Hustler 52 Super S pump belt
• Hustler 60 Super S pump belt
• Hustler zero turn hydraulic pump belt
• Hustler zero turn drive belt

Frequently Asked Questions

P&P Small Engines stocks Hustler pump drive belts, deck belts, mower belts, blades, pulleys, spindles, idlers, filters, maintenance parts, and OEM replacement parts to help keep your mower ready to work.