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12_c7c64db4-06f0-4568-9cbf-566bb5cecde2 - Northline Parts

2-Pack Top Roller 4718355 for Hitachi Excavator ZX30U-5A ZX35U-5A ZX40U-5A ZX48U-5A

SKU: NLT2T03282
$271.49 In Stock
$271.49
Sale price  $271.49 Regular price 
Ships for free in 2–4 business days.
This is a two-piece replacement top carrier roller for Hitachi ZX30U-5A; replaces 4718355.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
Hitachi ZX30U-5A
Hitachi ZX35U-5A
Hitachi ZX40U-5A
Hitachi ZX48U-5A

Product Overview

A sagging upper track, squealing, looseness or a carrier roller that no longer turns freely can accelerate wear across the rest of the undercarriage.

This replacement top roller restores support for the upper track run and helps keep the track traveling smoothly between the idler and sprocket.

Key Features & Performance

  • Replacement top carrier roller for the listed application
  • Intended to restore the original function when inspection or diagnosis confirms the existing part is worn, damaged or failed
  • Match the original part number, mounting and connections before installation
  • Replaces or cross-references 4718355

Replaces / Cross-References

  • 4718355

What Is Included

2 replacement components as stated in the product title.

Fitment Notes

Match the original part number, machine or vehicle model, mounting points, electrical or hydraulic connections, and any serial-number restrictions before ordering. Where the manufacturer used multiple revisions within the same model family, use the equipment serial number and removed component as the final fitment check.

Frequently Asked Questions

Is this a genuine OEM part?
No, unless the product page specifically states otherwise. This listing is for a replacement, accessory, upgrade or repair component as described above. OE and interchange numbers are provided for identification and fitment reference.

How should I verify fitment before ordering?
Compare the original part number, machine or vehicle model, mounting arrangement, connector or fitting style, and any model-specific notes above. Do not rely on appearance alone when multiple versions were used.

Part Summary

Keywords: top carrier roller, Hitachi ZX30U-5A, Hitachi ZX35U-5A, 4718355.

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