8TEN Mower Deck Spindle for Husqvarna EZ 4216 4217 4220 4624 4819 4822 4824 5221 5224 5225 539112170 3 Pack

What It Is

This is a 3-pack of aftermarket replacement deck spindles for Husqvarna zero-turn mowers. The spindle assembly holds the blade and bearing, transferring power from the belt to spin the blades for cutting grass.

Fitment & Compatibility

Check your mower’s model number (e.g., EZ 4216, 4220, 4624, 4819, 4822, 4824, 5221, 5224, 5225) and deck size (42–52 inches). These spindles replace OEM part #539112170 and are designed for Husqvarna EZ series decks. Before buying:

• Measure your existing spindle shaft diameter (typically 1 inch) and overall height.
• Confirm your deck uses 3 spindles (common on 42–52” decks).
• Ensure the blade bolt pattern matches (usually a 5-point star or 3-hole pattern). If your spindles have a different bolt hole spacing, this won’t fit.

Key Things to Know

• Quality: Aftermarket spindles; most users report good longevity for residential use, but they may wear faster than OEM under heavy commercial use.
• Installation difficulty: Moderate. Requires removing the deck, belt, and blade, plus basic hand tools (socket set, wrench, possibly a puller). Watch a video specific to your model.
• Common gotcha: The spindle housing may be slightly shorter or taller than OEM—verify clearance between the blade and deck shell after install. Also, pre-grease the bearings before assembly.
• Warranty: Aftermarket parts often void OEM warranties if still active; check your mower’s warranty terms.

Should You Buy It

If you own one of the listed Husqvarna EZ mowers and need to replace all three spindles at once (common when bearings fail), this 3-pack offers solid value for the price. It’s best for DIY homeowners who want a reliable budget option, not for heavy commercial fleets.