8TEN Flat Idler Pulley Replacement for Exmark & Toro Lazer Z — 2-Pack, 60/72-inch Deck Fit, OEM Match

The 8TEN Flat Idler Pulley 2-pack replaces Exmark and Toro flat idler pulleys for 60" and 72" Lazer Z and Z Master decks, restoring smooth belt tracking and reliable deck operation.

If your mower deck is slipping, squealing, or the belt is tracking poorly, the flat idler pulley is a common wear item. This 8TEN replacement matches OEM fit for multiple Exmark and Toro part numbers, providing a cost-effective spare or repair set that installs in minutes. Designed for Lazer Z series and Z Master models with 52", 60", or 72" decks, the pulleys are supplied as a two-pack so you can service both sides or keep a spare on-hand.

Which mower models and OEM parts does this pulley replace?

This pulley is engineered to be compatible with key Exmark and Toro part numbers and many Lazer Z variants. Check the part numbers and deck size in your owner’s manual or on the existing pulley to confirm fit before purchasing.

• Fits Exmark OEM numbers 116-4667, 1-633109, 633109
• Fits Toro OEM numbers 126-7685, 1-633109
• Compatible with Exmark Lazer Z, Lazer Z AS, AC, HP, LC, XP, XS, Next Lazer ASX and Next Lazer Z
• Compatible with Toro Z 500 series, Z Master models with 60" and 72" decks

How does replacing the idler pulley help my deck perform?

A worn or damaged idler pulley can cause belt misalignment, slipping, and unusual noise, which reduces cut quality and puts stress on the belt and spindle. Installing a fresh 8TEN pulley restores the intended belt path and tensioning, improving belt life and deck reliability without modifying the mower.

• Reduces belt slippage and noise for steadier blade speed
• Prevents premature belt wear and extends component life
• Returns factory belt routing for consistent cut performance

What should I know about installation and maintenance?

Installation is straightforward for anyone comfortable with basic mower service; typical steps involve removing the deck belt, swapping the old pulley, and reinstalling the belt. Use proper safety precautions: disconnect spark plug, lower deck to service position, and consult your mower manual for torque values and belt routing diagrams.

• Remove deck belt and old pulley, then install replacement and reinstall belt
• Inspect spindle, bearings, and belt for wear while servicing
• Keep hardware tight and check pulley alignment after first run

Why buy the 8TEN two-pack instead of a single pulley?

Buying a two-pack provides value and convenience: you can replace both pulleys at once for balanced wear or keep a spare pulley in your toolbox for quick repairs. This is especially helpful for commercial users or property owners who depend on fast turnaround to minimize downtime.

• Two pulleys for immediate replacement and backup in one purchase
• Cost-effective compared with buying single OEM parts separately
• Reduces downtime with a ready spare if another pulley fails

Who is this for: This 8TEN flat idler pulley 2-pack is ideal for homeowners, landscapers, and service shops maintaining Exmark Lazer Z series and Toro Z Master mowers with 52", 60", or 72" decks. Choose this kit if you want an OEM-compatible, budget-friendly replacement that simplifies deck maintenance and keeps commercial or residential mowing schedules on track.