Description:
This high-quality aftermarket alloy spindle assembly is designed to suit a wide range of Husqvarna ride-on mowers and zero-turn mowers fitted with fabricated or reinforced decks. It provides smooth blade rotation, reduced vibration, and reliable cutting performance.

This version is a lightweight alloy alternative to the original cast iron spindle, offering durability and efficiency.

🔄 Replaces OEM Part Numbers

Husqvarna:
• 539 11 21-70
• 539112170

👉 Also replaces cast version:
• 539 13 18-98

🔁 Aftermarket / Cross References

• GA Spares: JAS7927

Specifications

• Type: Deck spindle assembly (alloy housing)
• Material: Alloy (lightweight design)
• Application: Fabricated & reinforced mower decks

✅ Fits Applications

Suitable for Husqvarna ride-on and zero-turn mowers, including:

42″ Deck Models

• TS342
• YTH2242TDF / TDRF / TF
• EZ4220, RZ4222TF, Z242F

48″ Deck Models

• TS348
• YTH2648TDF / TDRF / TF
• EZ24T, EZ4824C, EZ4824TF, RZ4824TF
• FD48E decks

52″ Deck Models

• GTH2752TF
• GTH3052TDF / TF
• TS352
• MZ25, MZ28T, MZ52
• FD52MZ decks

61″ Deck Models

• MZ28T
• FD61MZ decks

⚙️ Function

• Supports and drives mower blades
• Ensures smooth blade rotation
• Reduces vibration and wear
• Maintains cutting performance

📦 Package Includes

• 1 × Spindle Assembly