Spindle Assembly 618-04129A / 918-04129 with Pulley for Cub Cadet
Spindle Assembly 618-04129A / 918-04129 with Pulley for Cub Cadet
Overview
This aftermarket 618-04129A / 918-04129 spindle assembly is a replacement-style mower deck spindle assembly with pulley for select Cub Cadet and MTD mower deck applications.
Choose the 1-pack, 2-pack, or 3-pack option that matches your repair. Match your original spindle number before ordering.
Key Features
- Aftermarket replacement-style mower deck spindle assembly with pulley
- Product Type: Spindle Assembly
- Lead Spindle Numbers: 618-04129A, 918-04129
- Also Replaces: 618-04129, 918-04129A, 918-04129B, 618-04129B
- Aftermarket Cross-References: Stens 285-842, Oregon 82-412, Rotary 11963
- Pulley Included: Yes
- Available Package Options: 1-pack, 2-pack, and 3-pack
- Built around the spindle part-number path first to reduce fitment confusion
Compatible Brands & Model Series
This 618-04129A / 918-04129 spindle assembly is associated with select Cub Cadet and MTD-built mower deck applications using the listed spindle replacement path.
Common model references include:
- Cub Cadet LT1050 with 50-inch deck, 2007 and before
- Cub Cadet LT1024 with 50-inch deck
- Cub Cadet SLT1554 with 54-inch deck
- Related MTD-built deck applications where the original spindle number matches 618-04129A, 918-04129, or related replacement numbers
Verify your part numbers before ordering.
Replaces OEM Part Numbers
- Cub Cadet / MTD: 618-04129A, 918-04129, 618-04129, 918-04129A, 918-04129B, 618-04129B
- Stens: 285-842
- Oregon: 82-412
- Rotary: 11963
Spindle Specifications
- Spindle Numbers: 618-04129A, 918-04129, 618-04129
- Length / Overall Height Reference: 166.6 mm / 6.5 inches
- Pulley Width: 15 mm / 0.59 inch
- Pulley Outer Diameter: 127.8 mm / 5 inches
- Pulley Included: Yes
Common Symptoms / When to Replace
- Mower deck spindle is noisy, loose, seized, or wobbling
- Blade has excessive play at the spindle shaft
- Deck vibration increases during blade engagement
- Pulley, spindle housing, or bearing area is worn or damaged
- Original spindle number matches 618-04129A, 918-04129, or 918-04129B
Quick Ship Fulfillment
This item may ship directly from one of our trusted U.S. distribution partners to help reduce transit time. Packaging, labeling, or warehouse origin may vary, but the part will match the replacement numbers, fitment notes, and specifications shown in this listing.
Why Buy From PTO Direct USA
- Fitment-first product organization by spindle part-number path
- Clean 1-pack, 2-pack, and 3-pack options for the same spindle assembly
- Clear Cub Cadet LT1024, LT1050, and SLT1554 replacement path
- U.S.-focused fulfillment options for faster delivery when available
Need a Custom Package?
Need a different combination of parts? Email us the part type and part numbers you need, such as spindle assemblies, blades, belts, pulleys, reinforcement rings, bearings, or hardware. We can review the part-number path and quote a custom package when available.
FAQ
Is this an OEM Cub Cadet spindle assembly?
No. This is an aftermarket replacement-style spindle assembly intended to replace the listed part-number path when the physical fitment details match.
What are the lead spindle numbers for this listing?
The lead spindle numbers are 618-04129A and 918-04129. This listing also references 618-04129, 918-04129A, 918-04129B, and 618-04129B.
What quantity options are available?
This listing is available as a 1-pack, 2-pack, or 3-pack of the same spindle assembly with pulley.
Does each spindle assembly include a pulley?
Yes. Each spindle assembly includes a pulley.
Does this fit Cub Cadet LT1050?
This spindle path is commonly associated with Cub Cadet LT1050 50-inch deck models from 2007 and before. Match your original spindle number before ordering.
Does this fit Cub Cadet LT1024 and SLT1554?
This spindle path is also associated with Cub Cadet LT1024 50-inch deck and SLT1554 54-inch deck applications. Verify the original spindle number before ordering.
Can I order by mower model or deck size only?
No. Mower model and deck size alone are not enough. Match the original spindle number first, then confirm spindle height, pulley diameter, blade mount, mounting pattern, hardware, and belt routing before ordering.