Skip to product information
3 Pack Spindle Assembly For MTD Cub Cadet Troy Bilt 918-06978 618-06978 RZT-L54

3 Pack Spindle Assembly For MTD Cub Cadet Troy Bilt 918-06978 618-06978 RZT-L54

Write A Review
Alligator_819_x_200_px - Northline Parts

The Aftermarket Parts Specialists

$118.99
Sale price  $118.99 Regular price 

Available to Order

Usually ships in 2–4 business days.
Shop at Northline Parts Best Customer Service Best Online Parts

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

Call us

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

3 Pack Spindle Assembly For MTD Cub Cadet Troy Bilt 918-06978 618-06978 RZT-L54

Restore your mower's cutting performance with this high-quality 3-pack of spindle assemblies. Designed for durability and smooth operation, these aftermarket spindles are an excellent choice for maintaining a clean, professional cut. Whether you are performing routine maintenance or a full deck rebuild, this set provides the reliability you need to get the job done right.

Key Features & Benefits

  • Heavy-duty construction for extended service life
  • Pre-greased and ready for immediate installation
  • Smooth rotation reduces vibration and deck wear
  • Cost-effective 3-pack for a complete deck overhaul
  • Premium aftermarket design for precise fitment

Compatible Models

  • MTD RZT-L54 Series
  • Cub Cadet RZT-L54 Models
  • Troy-Bilt Mustang Series with 54-inch decks
  • Select outdoor power equipment requiring part 918-06978 or 618-06978

Product Specifications

  • Part Type: Spindle Assembly
  • Quantity: 3 Pieces
  • Replaces Part Numbers: 918-06978, 618-06978
  • Housing Material: High-strength aluminum or steel alloy
  • Mounting: 4-bolt pattern

Frequently Asked Questions

Is this an OEM part?
No, this is a high-quality aftermarket replacement part designed to meet or exceed original equipment specifications.

How do I confirm compatibility?
Please refer to your machine's owner's manual or check the part number stamped on your current spindle. You can also verify fitment using your mower's specific model and serial number.


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.

Customers also purchased

Keywords (Used as search references only) View IP policy.