How do I confirm Spindle Assembly 100-3976 Replacing 99-3877 for Toro Z Master 52" SFS Decks is the correct replacement?

Use the dimensions and application details on this page as the first checkpoint. If your original part number is not shown, compare the mounting style, size, and equipment position before ordering.

What spindle details should match the original assembly?

Match . Also compare shaft style and deck mounting pattern before installation.

Is Spindle Assembly 100-3976 Replacing 99-3877 for Toro Z Master 52" SFS Decks an OEM part?

No. This is an aftermarket replacement part. Confirm fit by comparing the dimensions, mounting points, and equipment application with the original part.

What should be inspected during installation?

Clean the mounting area, compare the new part with the removed part, and check nearby wear items before putting the mower back into service.

Spindle Assembly 100-3976 Replacing 99-3877 for Toro Z Maste

Name: Spindle Assembly 100-3976 Replacing 99-3877 for Toro Z Maste
Brand: SYZAGRI
SKU: SYZ-SPA-100-3976
Availability: InStock

SKU:

SYZ-SPA-100-3976

Price excludes delivery and setup | Tax may apply

Center Hole:

Replaces Part No.

Toro 100-3976 Toro 99-3877

Compatible Models

• Fits ToroZ master 100 series, Z149, Z150 and Z153 with 52″ SFS side discharge decks • Height5 5/8″

Cross Reference

Toro 100-3976 Toro 99-3877

Verified Fitment

Toro Z Master 100 Series Toro Z149 Toro Z150 Toro Z153 Deck type: 52″ SFS side discharge

Notes

Product type: mower deck spindle assembly Source-stated dimension: 5 5/8″ height

Spindle Assembly 100-3976 Replacing 99-3877 for Toro Z Maste

Center Hole:

Replaces Part No.

Compatible Models

Cross Reference

Verified Fitment

Notes

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