Additional information
| Year | |
|---|---|
| Submodel | |
| Engine | 6.6L V8 (Y) L5P Turbocharged DIESEL FI |

2018 GMC Sierra 3500 HD SLE (6.6L V8 (Y) L5P Turbocharged DIESEL FI) – OEM service data and parts catalog. Wiring diagrams, DTC codes, labor times, torque specs. AI-powered. Try free.
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