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UP2WIN 918-04126 Spindle Assembly Fits for Cub RZT50 LT1050 Lawn Mower, Cub Troy Built Mustang Zero Turn 50" Mower Deck, Replaces 918-04125 618-04126 618-04125

  • Based on 491 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Thursday, Dec 4
Order within 7 hours and 23 minutes
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Size: 1 Pack


Features

  • Compatible with Cub LT1050 LT1550 LT1554 LTX1050 LGTX1054 SLT1550 RZT50, work with Cub zero turn 50" mower deck. Also work with Troy built Mustang zero turn 50 mower deck
  • Replaces 918-046A 918-04126B 918-045A 918-04125B 918-04125C 618-046A 618-04126B 618-045A 618-04125B
  • The new spindle is pre-greased, it has a grease fitting for maintenance which prolongs the life of the unit.
  • Come with 4 threaded spidle mounting bolts ( the mounting holes are also threaded), make install and future removal much easier
  • OD of Pulley: 5 3/8 inch, height 6.3 inch, using special design for 6 pt. star center hole

Brand: UP2WIN


Power Source: Gas Powered


Material: Steels


Color: Silver


Style: Automotive


Cutting Width: 50 Inches


Number of Positions: 6


Operation Mode: Automatic


UPC:


Manufacturer: UP2WIN


Brand: UP2WIN


Power Source: Gas Powered


Material: Steels


Color: Silver


Style: Automotive


Cutting Width: 50 Inches


Number of Positions: 6


Operation Mode: Automatic


UPC: 636339963763


Manufacturer: UP2WIN


Package Dimensions: 7.2 x 5.83 x 5.75 inches


Item Weight: 4.47 pounds


Item model number: 918-04126


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Thursday, Dec 4

This item is non-returnable:

Non-returnable. Transportation of this item is subject to hazardous materials regulation

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Works well
Size: 1 Pack
Fit well, easy installation
Reviewed in the United States on June 9, 2025 by larry

  • A perfect fit replacement spindle
Size: 1 Pack
Appears to be well made. Won't know for sure until a couple years of use. The price is reasonable.
Reviewed in the United States on June 26, 2025 by Kindle Customer

  • Quality products
Size: 3 Pack
Work great 👍
Reviewed in the United States on June 26, 2025 by clarence gosnell

  • Perfect
Size: 1 Pack
Fit and function perfectly. Just as described even has grease fitting that oem did not have. However there is no spindle nut included mine was battered up some.but i was able to reuse it.
Reviewed in the United States on March 29, 2024 by Amazon Customer

  • Quickness
Size: 1 Pack
Came quick and quality part and way cheaper than the store a 1/3 of the price from lowes
Reviewed in the United States on June 16, 2025 by Jordan Smiley

  • Easy Replacement
Size: 1 Pack
This replacement part came quickly and is a perfect fit for my Cub Cadet fabricated 54" deck. It comes with the mounting bolts required for deck mounting.
Reviewed in the United States on May 7, 2025 by William M McCuen

  • great product
Size: 1 Pack
fit perfectly, very pleased
Reviewed in the United States on May 21, 2025 by jc

  • Doesn't come greased nor does it let you know to grease them.
Size: 3 Pack
Doesn't come greased nor does it let you know to grease them. they ran dry, started making horrible noise and then failed....then we seen they were bone dry on grease....what type of corner cutting is this? lost the entire product over some grease is pathetic
Reviewed in the United States on May 25, 2025 by The JUDGE

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