2 Pcs 173437 532173437 Flat Idler Pulley
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2 Pcs 173437 532173437 Flat Idler Pulley
Key Features
- Package contains: 2 flat idler pulleys
- Durable steel construction for longevity
- Maintains proper tension on the mower deck belt
- Inside Diameter: 3/8 inch
- Outside Diameter: 3-5/8 inch
- Height: 1-1/8 inch
Replaces / Cross-Reference Part Numbers
- AYP / Roper / Sears: 165888, 173437, 532165888, 532173437
- Husqvarna: 532 16 58-88, 532 17 34-37
- John Deere: AM103287
- Oregon: 78-021
- Stens: 280-022
Compatibility & Fitment
- Fits many 42-inch mower decks manufactured from 2000 onwards
- Compatible with models from brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears, and Craftsman
When to Replace
- Pulley is seized, wobbles, or does not spin freely
- Excessive noise (squealing or grinding) during mower operation
- Visible damage such as cracks, chips, or a warped surface
- Frequent belt slippage or derailing
Installation Tips
- Before starting, disconnect the spark plug wire and engage the parking brake for safety.
- Take a photo or make a diagram of the current belt routing for reference.
- Release tension from the deck belt before removing the old pulley.
- Ensure the new pulley is correctly aligned with the belt path before applying tension.
- Confirm the mounting bolt is torqued to the manufacturer's specification.
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EXACT REPLACEMENT
532173437 Idler Pulley is compatible with Craftsman, Husqvarna, Oregon, AYP, Poulan with many models -
PREMIUM QUALITY
BlueStars's Lawn Mower Idler Pulley is constructed from top-grade materials, including durable metals and oxide coating for reduced corrosion -
SAVING SOLUTION
Enjoy the great feeling when your engine is repaired and works properly like before - BlueStars brings DIY solutions to help you deal with any trouble -
SIMPLE INSTALLATION
The installation of idler pulley just takes a few minutes and will save you at least a hundred bucks in labor
RUGGED BUILT FOR LONG-LASTING DURABILITY
BlueStars Idler Pulley's sturdy appearance and construction ensure long-lasting durability
MAXIMUM PERFORMANCE
532173437 Idler Pulleys (2 Packs) are the best replacement parts for your lawnmower with the highest level of precision
