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6.0L
- Automatic Transmission
- Manual Transmission
  - 3.73 rear axle (opt GT4)
  - 4.10 rear axle (opt GT5)
6.6L (diesel)
- Automatic Transmission
- Manual Transmission
8.1L
- Automatic Transmission
- Manual Transmission

Radiator Assembly for 2003 GMC Sierra 2500 HD

Fits: 6.0L Manual Transmission 3.73 rear axle opt GT4 (change)

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