Husqvarna Genuine 585521101 PTO Clutch Fits Z142 Z246 Z246i RZ46i

What It Is

The Husqvarna Genuine 585521101 PTO Clutch is the electric engagement clutch that drives your mower deck blades. It’s designed for Husqvarna Z142, Z246, Z246i, and RZ46i zero-turn mowers, and it replaces the original factory part to restore blade operation when the clutch fails.

Fitment & Compatibility

Before buying, check these three things:

• Model number: This clutch fits only the Z142, Z246, Z246i, and RZ46i. It does not fit other Husqvarna or generic ZTRs. Verify your model tag under the seat.
• Deck size: Compatible with 42-inch and 46-inch decks. Measure your deck width to be sure.
• OEM vs aftermarket: This is a genuine Husqvarna part (OEM). It matches the original clutch’s bolt pattern, pulley diameter (3.5 inches), and shaft size. Aftermarket clutches may vary in dimensions or electrical specs—stick with OEM for guaranteed fit.
• Electrical check: Confirm your mower uses a 12V DC engagement system (all listed models do). If you’ve replaced the battery or wiring, test voltage at the clutch connector before installing.

Key Things to Know

• Quality: Genuine Husqvarna means durable bearings and consistent engagement. Aftermarket clutches often fail sooner due to lower-grade materials.
• Installation difficulty: Moderate. You’ll need a socket set, torque wrench (specs: 35-40 ft-lbs for mounting bolts), and basic mechanical skill. Allow 1-2 hours.
• Common gotcha: The clutch air gap (0.010–0.015 inches) must be set correctly after installation. Too tight or too loose causes slippage or failure. Use a feeler gauge.
• Warranty: Husqvarna covers it for 90 days. Keep your receipt and note the installation date.

Should You Buy It

If your Z142, Z246, Z246i, or RZ46i won’t engage the blades and you want a reliable, drop-in replacement with OEM quality, this is the right choice. It’s worth the price for the certainty of fit and durability—just be prepared for a straightforward but careful installation.