This is a Genuine OEM GM Fuel Water Separator Inlet Hose designed for 2020–2021 Chevrolet Silverado 2500HD, Silverado 3500HD, GMC Sierra 2500HD, and Sierra 3500HD trucks. It is a direct-fit replacement that restores proper fuel system function to your heavy-duty truck.
This is a brand-new, unused Genuine OEM GM part manufactured to factory specifications. Fits the 6.6L Duramax V8 Diesel (L5P) engine exclusively, as the fuel water separator system is diesel-specific. Compatible with 2500HD and 3500HD configurations across both Chevrolet Silverado HD and GMC Sierra HD platforms for model years 2020 and 2021.
| Year Range | Make | Model | Trim/Engine | Notes/Options |
|---|---|---|---|---|
| 2020-2021 | Chevrolet | Silverado 2500HD | 6.6L Duramax V8 Diesel (L5P) | Diesel equipped only |
| 2020-2021 | Chevrolet | Silverado 3500HD | 6.6L Duramax V8 Diesel (L5P) | Diesel equipped only |
| 2020-2021 | GMC | Sierra 2500HD | 6.6L Duramax V8 Diesel (L5P) | Diesel equipped only |
| 2020-2021 | GMC | Sierra 3500HD | 6.6L Duramax V8 Diesel (L5P) | Diesel equipped only |
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