Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2013SIERRA DENALI AWD V8-6.2LPARTS AND LABORBODY AND FRAMELOCKSPOWER DOOR LOCK SWITCHPARTS INFORMATION
2013 GMC Sierra Denali AWD V8-6.2L
Parts Information
2013 GMC Sierra Denali AWD V8-6.2LSECTION Parts Information
| Part | Manufacturer | OEM Part # | Price | Notes |
| Front Door | ||||
| Lock Switch | ||||
| Right | ||||
| Without Power Windows | GMO | 25953267 | 17.76 | |
| With Power Windows | ||||
| See Window Switch. | ||||
| Left | ||||
| Without Power Windows | ||||
| Without Keyless Entry | GMO | 20939741 | 61.95 | |
| With Keyless Entry | GMO | 25953266 | 17.76 | |
| With Power Windows | ||||
| With Heated Mirrors | ||||
| See Window Switch. |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.