Bularie 179114 Flat Idler Pulley Replacement for Craftsman, Husqvarna, Poulan — 1 Pack

Overview

The Bularie 179114 flat idler pulley replacement is designed to fit a broad range of riding mowers and lawn tractors. By helping maintain proper belt tension and smooth movement, this part supports consistent belt operation and can contribute to steadier mowing performance.

Wide compatibility and part number coverage

This replacement is listed to match a wide array of original part numbers, including 179114, 532179114, 5321791-14, 532-179114, and 532179-14, as well as 12644, 280-934, 13-12644, and 78-056. If you’re unsure of your mower’s part number, check your OEM label or service manual to verify the match before purchasing.

• Compatibility spans Craftsman LT1000/LT2000 and related models, Husqvarna YTH-series and similar riders, Poulan HD/PD/LT lines, and Ryobi H-series platforms.
• Designed to fit with a 3.5 inch outer diameter (OD), 0.375 inch inner diameter (ID), and 1 inch height for a snug, low-profile fit.

What you get and build quality

Each package includes one ground drive fixed idler pulley. The unit uses a lightweight plastic body paired with a pre-greased steel bearing, offering durability and smooth rotation while keeping weight manageable on the mower deck.

• Material mix prioritizes smooth operation and long-lasting performance under typical mowing conditions.
• Pre-greased bearing reduces maintenance needs during seasonal use.

Why this can help your mower

By maintaining proper belt alignment and tension, the idler pulley supports efficient belt tracking and reduces belt slip during acceleration and cutting, which can contribute to a steadier mowing experience and reduced wear on other drive components.

Easy installation you can attempt

Install is straightforward with basic hand tools. A quick sequence helps secure the pulley to the idler arm, align it with the mounting bolt and shoulder washer, and tighten the nut to lock the assembly in place. Pulling the idler arm gently while tightening can help seat the bolt securely.

• Align the idler arm with the shoulder washer.
• Slide the pulley washer onto the mounting bolt and place the tension pulley.
• Thread and tighten the nut; use a wrench to secure.
• Ensure the belt path is clean and free from debris before test running the mower.

Real-world use cases

Perfect for seasonal maintenance when you’re upgrading a worn or noisy idler, or when a model-specific part number needs a compatible substitute. The broad compatibility helps reduce downtime by offering a single replacement option across multiple brands and series.