Wheels & Tires

103-4051 (3) No Scalp Deck Wheel Roller Kit & Hardware for Exmark Mower 103-3168 ,,#id(reliableaftermarketpartsinc_45322229387990

4.3/5 (93 reviews)
$35.98
103-4051 (3) No Scalp Deck Wheel Roller Kit & Hardware for Exmark Mower 103-3168 ,,#id(reliableaftermarketpartsinc_45322229387990
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What It Is

This is a three-roller no-scalp deck wheel kit (including hardware) for Exmark zero-turn mowers. It replaces OEM part 103-3168 and is designed to prevent the mower deck from scalping uneven terrain, protecting both the grass and the blade tips.

Fitment & Compatibility

  • Primary fit: Exmark Lazer Z, Lazer Z X-Series, and Quest models with 48", 52", 60", or 72" decks that accept the 103-3168 OEM roller kit.
  • Check before buying: Measure the existing roller bracket bolt pattern (center-to-center) and roller diameter. This kit uses a 3-inch diameter roller—if your deck uses a larger or smaller roller, it won’t fit without modifying the bracket.
  • OEM vs. aftermarket: This is a direct replacement for the OEM Exmark 103-3168 kit. Ensure your deck’s mounting holes align with the included hardware (typically 5/16" bolts). Confirm your deck has the factory bracket slots—some older or non-Exmark decks may need drilling.
  • Not universal: Does not fit Toro, Scag, or John Deere unless you adapt the mounting plate.

Key Things to Know

  • Quality: Aftermarket roller bearings are sealed and greased, but may have slightly tighter tolerances than OEM—expect a break-in period of 1–2 hours.
  • Installation difficulty: Moderate. You’ll need a socket wrench, a pry bar to lift the deck, and possibly a breaker bar for stubborn bolts. No special tools required.
  • Common gotcha: The included hardware is zinc-plated steel—if you mow in wet or salty conditions, consider swapping to stainless bolts to prevent rust seizing.
  • No-scalp adjustment: After installing, check the roller height relative to the blade tips. Set it so the roller contacts the ground 1/4–1/2 inch before the blade—too low and you’ll still scalp; too high and you’ll leave uncut strips.

Should You Buy It

If you own a compatible Exmark with a 48–72" deck and want to stop scalping on uneven lawns without paying OEM prices, this kit delivers. It’s a solid value for the price, but if you need precise factory tolerances or mow commercially with heavy daily use, the OEM 103-3168 may last longer. For residential or light commercial use, this aftermarket option is a smart buy.

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