The Husqvarna 505484602 Pump Idler Pulley Kit X4000 is a genuine OEM replacement designed for the X4000 early entry saw. This kit delivers the correct idler pulley components to restore proper belt tension and drive alignment on the pump system. Cross-reference part number 505484602 against your parts diagram to confirm fitment before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM-Spec Pulley Components — Manufactured to Husqvarna's exact tolerances, ensuring the idler pulley maintains correct belt contact pressure and rotational alignment throughout the drive system.
- Complete Kit Format — Includes all necessary pulley components as a matched set, allowing a full service of the pump idler system in a single installation.
- Direct Fit for the X4000 — Engineered specifically for the X4000 early entry saw, this kit mounts to the existing hardware without modification to brackets or mounting points.
- Sustained Pump Drive Performance — A properly tensioned idler pulley keeps the pump belt tracking true, supporting consistent hydraulic or water pump output during green-concrete cutting operations.
- Genuine Husqvarna Part — Sourced directly from Husqvarna's OEM supply chain, this kit meets the same build standard as the components installed at the factory.
The pump idler pulley is a critical tensioning component in the belt-drive system that powers the X4000's onboard pump. It maintains the correct amount of tension on the drive belt, preventing slippage and ensuring the pump receives consistent rotational input. When the idler pulley wears or fails, belt tension drops, causing the pump to underperform or stop driving altogether — which can interrupt water delivery during early-entry concrete cutting and lead to accelerated blade or system wear.
Part Details
| Part Number | 505484602 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Pump Idler Pulley Kit X4000 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Early Entry Saw | X4000 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.