Vehicle lookup
Find parts that fit
your exact vehicle

Select your year, make and model to instantly filter our entire inventory — no guesswork, no returns.

Ford GM / Chevy Honda Toyota Ram Jeep Nissan Mazda + more
Select your vehicle
Covers 25+ makes & hundreds of models
Browsing for:

Questions?

Text or Call 281-742-9651

2020-2021 Chevy GMC Silverado Sierra HD Duramax Fuel Water Separator Inlet Hose OEM

Regular price $ 48.21

✅ 1 IN STOCK

100% Genuine OEM Factory original part
Flat Rate $8.97 Shipping Any order, any size
Easy Returns No-hassle return policy
Secure Checkout SSL encrypted payment
Flat Rate Shipping
Any order • Any size • USA
$8.97
Have a question?
Check our FAQ for quick answers

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.

Quick Part Facts

  • Condition: New Genuine OEM GM
  • Part Type: Fuel Water Separator Inlet Hose
  • Engine: 6.6L Duramax V8 Diesel (L5P)
  • Fuel Type: Diesel only
  • Fitment Type: Direct Replacement

Fitment

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