ACEBRI 618-06976 918-06976 Spindle Assembly 42 Inch for Cub Cadet XT1 LT42 XT2 LX42 XT1-LT42 XT2-LX42 CYT4220 SE for Craftsman T8000 Lawn Mower 618-06976A 918-06976A

What It Is

This is a replacement spindle assembly for 42-inch cutting decks on select Cub Cadet and Craftsman lawn tractors. It houses the bearing and pulley that drive the blade, critical for a clean, even cut.

Fitment & Compatibility

• Check your deck size: This fits 42-inch decks only. Measure your deck or verify the model number.
• Direct fit models: Cub Cadet XT1 LT42, XT2 LX42, XT1-LT42, XT2-LX42, CYT4220 SE; Craftsman T8000.
• OEM cross-reference: Replaces OEM part numbers 618-06976, 918-06976, 618-06976A, and 918-06976A.
• Measure before buying: Verify the spindle shaft diameter (typically 5/8-inch) and the bolt pattern (usually 3-bolt, 3-inch spacing). If your existing spindle matches these, it’s a direct swap.
• Aftermarket note: ACEBRI is an aftermarket brand, not OEM Cub Cadet. Quality is generally good, but confirm mounting hole alignment with your deck.

Key Things to Know

• Easy install, but watch the pulley: Installation is straightforward—remove the old spindle, bolt on the new one, and reattach the blade. The hardest part is often removing the old pulley nut; use a impact wrench or breaker bar.
• Grease fitting included: This spindle has a grease zerk, so you can lubricate the bearing regularly to extend life. Do that every 25 hours of use.
• No pulley or blade included: You reuse your existing pulley and blade. Make sure your pulley is in good shape before installing.
• Bearing quality: Users report this spindle runs smooth and quiet, with no play out of the box. Expect OEM-like durability for about half the price.

Should You Buy It

If you have a 42-inch Cub Cadet or Craftsman model listed above and need a reliable, affordable spindle replacement, this is a solid choice. It’s easy to install, has a greaseable bearing, and comes at a fraction of the OEM cost. Skip it if you need a complete kit with a pulley or blade, or if you have a different deck size.