PUL8535 Flat Idler Pulley – GA Spares Replacement for BigDog & Hustler Transmission Systems

Product Description:

The PUL8535 Flat Idler Pulley by GA Spares is a high-quality aftermarket replacement part designed for BigDog and Hustler zero-turn mower transmission systems. Built to match OEM performance, this pulley helps guide and maintain belt tension, ensuring smooth, reliable drive operation.

Perfect for replacing worn or noisy pulleys in transmission setups, this flat idler pulley offers a cost-effective alternative to OEM parts without sacrificing performance or durability.

Key Features:

• ✅ Part Number: PUL8535

• ✅ Pulley Type: Flat Idler

• ✅ Designed for transmission systems in zero-turn mowers

• ✅ Heavy-duty steel construction for long-lasting wear resistance

• ✅ Smooth surface finish for consistent belt tracking and reduced noise

Cross References:

Replaces OEM part numbers:

• Hustler 604491

• BigDog 604491

• OEM Part # PUL8535 (GA Spares)

Compatible with a variety of BigDog and Hustler models that use this pulley in the drive or deck tensioner systems. Always refer to your unit’s parts manual to confirm correct application.

Compatible Applications:

• BigDog and Hustler mowers with 20 Series or similar hydro drive setups

• Commonly used in transmission idler assemblies and deck belt routing

• Used on models requiring flat-style tension pulleys for belt tracking

Installation Tips:

• 🔧 Disconnect power and park the mower securely before replacing

• 🛠 Use correct size wrenches to remove the existing pulley

• ✔️ Clean shaft and inspect hardware before installing the new part

• ✅ Confirm belt is seated properly and spins freely on new pulley

Why Choose GA Spares?

• ✅ Built to meet or exceed OEM specs

• ✅ High-performance alternative to OEM without premium cost

• ✅ Trusted by mower repair professionals

• ✅ Supports long-term reliability of your machine’s drive system

SEO Meta Title:

PUL8535 Flat Idler Pulley – Replaces Hustler 604491 for BigDog & Hustler Transmission Systems

SEO Meta Description:

GA Spares PUL8535 flat idler pulley. Replaces Hustler 604491 for BigDog and Hustler mower transmissions. Durable, smooth-running, and ideal for zero-turn drive systems.

Upgrade your drive system with the PUL8535 Flat Idler Pulley—built tough for BigDog and Hustler mowers. Reliable performance, professional quality—add to cart now and keep your mower running strong