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Dorman 600-604 Transfer Case Shift ForkOE Quality 60-Day Returns
Part #: 600-604

Dorman 600-604 Transfer Case Shift Fork

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7 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Hummer, H3 and H3T
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Transfer Case Shift Fork for 4WD Restoration

This Dorman transfer case shift fork is a direct replacement for select GM applications where worn fork pads have affected transfer case operation. Built from metal, it helps restore proper movement inside the transfer case so the vehicle can return from RWD to 4WD mode as intended.

  • Direct replacement transfer case shift fork for select applications
  • Metal construction for internal transfer case service
  • Restores shift fork function when original pads are degraded
  • Fits 2006-2010 Hummer H3, N/A, RWD to 4WD Mode
  • Fits 2009-2010 Hummer H3T, N/A, RWD to 4WD Mode

Product Details

Dorman 600-604 is a transfer case shift fork engineered for vehicles that need internal transfer case repair to regain four-wheel drive operation. This part is a direct OE-style replacement for the original component on the listed Hummer H3 and Hummer H3T applications. If you are searching for a transfer case shift fork for 2006-2010 Hummer H3 RWD to 4WD mode or 2009-2010 Hummer H3T RWD to 4WD mode, Dorman 600-604 provides the correct replacement path for that service.

This part cross-references GM (e.g., 19180438) for the same application.

Common Repair Symptoms

  • Transfer case does not shift from RWD to 4WD
  • Worn or degraded shift fork pads inside the transfer case
  • Incomplete or inconsistent engagement of four-wheel drive
  • Internal transfer case wear affecting shift operation
  • Need for OE replacement transfer case shift fork service

Installation Notes

Install during transfer case disassembly and inspection. Verify the fork, pads, and related internal components before reassembly, and confirm proper shift operation after service. Installation hardware is not included.

Quality Assurance

Dorman supplies direct replacement components for repair applications where original parts have worn out. Part number 600-604 is built as a metal replacement shift fork for the listed Hummer transfer case applications, with fitment coverage for 2006-2010 Hummer H3 and 2009-2010 Hummer H3T.

BrandDorman
Part Number600-604
Installation Hardware IncludedNo
MaterialMetal
Package ContentsShift Fork

This part fits 7 vehicles. Search below:

YearMakeModelPositionNotes
2010HummerH3N/ARWD to 4WD Mode
2010HummerH3TN/ARWD to 4WD Mode
2009HummerH3N/ARWD to 4WD Mode
2009HummerH3TN/ARWD to 4WD Mode
2008HummerH3N/ARWD to 4WD Mode
2007HummerH3N/ARWD to 4WD Mode
2006HummerH3N/ARWD to 4WD Mode

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

19180438

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

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