The Wacker Neuson Idler Arm is a genuine OEM component designed for the BFS 2020AS and BFS 1318AS walk-behind floor saws. Sourced directly from Wacker Neuson, this part carries the same specifications as the component installed at the factory, ensuring a straight-forward, drop-in replacement on your saw. Confirmed fitment covers both the BFS 2020AS and the self-propelled BFS 1318AS models, making this the correct choice when your saw's blade tensioning or tracking system needs attention.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the arm maintains proper geometry under the cyclical loading a floor saw generates during cutting.
- Direct Drop-In Replacement — Matches the original mounting points and pivot hardware on the BFS 2020AS and BFS 1318AS, so the arm installs without reworking brackets or hardware.
- Confirmed Fitment — Verified for the BFS 2020AS walk-behind floor saw and the BFS 1318AS self-propelled walk-behind saw.
- Accurate Blade Tracking — A correctly functioning idler arm holds the blade or belt at the designed tension and alignment, keeping cuts straight and protecting the drive system from uneven wear.
- Blade and Drive System Protection — A worn or bent idler arm causes inconsistent tension, accelerating blade wear and placing additional stress on bearings and drive components — replacing it promptly prevents costlier secondary damage.
The idler arm is a structural pivot component within the blade tensioning and tracking assembly of a walk-behind floor saw. It holds the idler wheel or tensioning element at the correct position, maintaining consistent pressure on the blade or drive belt throughout the cutting cycle. When the idler arm becomes bent, cracked, or worn at its pivot point, blade tension becomes erratic, cutting accuracy drops, and the surrounding drive components — including bearings and pulleys — begin to absorb stress they are not designed to handle, shortening their service life.
Part Details
| Part Number | 5000163810 |
|---|---|
| Old Part Number | 0163810 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Idler Arm |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| BFS 2020AS SAW | BFS 2020AS | 5000620086 |
| Self-propelled Walk-behind Saw | BFS 1318AS | 5000620085 |
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.
