Skip to product information
Usually ships in 2–4 business days.
Spindle Assembly For Ariens 51520900 42" 50" ZT Mowers 915161 915141 915143
$75.99
Sale price
$75.99
Regular price
Available to Order
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Spindle Assembly For Ariens 51520900 42" 50" ZT Mowers 915161 915141 915143
Restore the cutting performance of your zero-turn mower with this high-quality spindle assembly. Designed for durability and smooth operation, this aftermarket replacement part ensures your mower deck runs efficiently, providing a clean and even cut every time you mow your lawn.
Key Features & Benefits
- Constructed with heavy-duty materials for long-lasting service life
- Precision-engineered for a perfect fit on compatible 42-inch and 50-inch decks
- Smooth-rotating bearings reduce friction and vibration
- Cost-effective aftermarket solution without compromising on quality
- Easy to install to get your equipment back in action quickly
Compatible Models
- Ariens ZT Mowers with 42" and 50" Decks
- Model Numbers: 915161, 915141, 915143
- Part Number: 51520900
Product Specifications
- Part Type: Deck Spindle Assembly
- Compatibility: 42" and 50" Mower Decks
- Fitment Type: Aftermarket Replacement
- Application: Zero-Turn (ZT) Mowers
Frequently Asked Questions
Is this an OEM part?
No, this is a premium aftermarket replacement part designed to meet or exceed the performance of the original equipment.
How do I confirm compatibility?
Please check your mower's model number and the specific part number in your owner's manual. Comparing your current spindle to the listed part numbers (51520900) is the best way to ensure a correct fit.
Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.