What Serpentine Belt Fit a 2024 GMC Sierra?
Serpentine Belt fitment for the 2024 GMC Sierra — real NHTSA specs, replacement guidance, and how to find the exact guaranteed-fit part by VIN.
The correct serpentine belt for a 2024 GMC Sierra is determined by its exact factory build, not just the year, make, and model. This 2024 GMC Sierra is 5920 mm long per NHTSA data — body and platform details that affect which engine parts fit. To get the exact guaranteed-fit serpentine belt, decode your 17-character VIN — it pins down the trim, engine, and options the year/make/model alone can't.
Last updated: · Source: NHTSA vPIC
Serpentine Belt: what it does & when to replace it
The serpentine belt is a single belt that drives accessories like the alternator, water pump, power-steering pump, and A/C compressor. A worn belt causes squealing (especially on cold starts), and a snapped belt can cause overheating and loss of charging and power steering at once. Inspect for cracks, glazing, or fraying; most belts last 80,000–160,000 km. Replacement is a moderate DIY job — the trickiest part is releasing the spring-loaded tensioner and routing the belt correctly, so photograph the routing diagram first.
DIY difficulty: Moderate DIY (note the belt routing first). Always confirm the correct part for your exact build by VIN before buying.
2024 GMC Sierra specifications
| Specification | Value |
|---|---|
| Make | GMC |
| Model | Sierra |
| Model Year | 2024 |
| Overall Length (mm) | 5920 |
| Overall Width (mm) | 2070 |
| Overall Height (mm) | 1980 |
| Wheelbase (mm) | 3700 |
| Front Track (mm) | 1230 |
| Rear Track (mm) | 3200 |
| Front Overhang (mm) | 470 |
| Rear Overhang (mm) | 1040 |
| Wheelbase Detail (mm) | 1250 |
| Track Width (mm) | 940 |
| Ground Clearance (mm) | 1280 |
| Models GMC offered in 2024 | 12 |
Source: NHTSA vPIC / Canadian Vehicle Specifications database. Linear dimensions in mm; weight in kg. Your exact build may vary by trim and options — decode your VIN to confirm the correct serpentine belt.
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Decode my VIN →Frequently asked questions
What serpentine belt fit a 2024 GMC Sierra?
The right serpentine belt for a 2024 GMC Sierra depends on its exact factory configuration — trim, engine, and options — which year, make, and model alone don't capture. Its 5920 mm length and 3700 mm wheelbase (from NHTSA data) is part of why fitment varies. Enter your VIN on VinSnap to get parts matched at 99.8% fitment accuracy against a 1.2M+ catalog, instead of guessing from a dropdown.
How often should the serpentine belt on a 2024 GMC Sierra be replaced?
The serpentine belt is a single belt that drives accessories like the alternator, water pump, power-steering pump, and A/C compressor. A worn belt causes squealing (especially on cold starts), and a snapped belt can cause overheating and loss of charging and power steering at once. For your specific 2024 GMC Sierra, follow the maintenance schedule and confirm the correct part by VIN before buying.
Can I replace the serpentine belt on a 2024 GMC Sierra myself?
Moderate DIY (note the belt routing first). Difficulty and the exact part number still depend on your 2024 GMC Sierra's build, so decode your VIN on VinSnap to confirm the correct serpentine belt and avoid buying the wrong one.