GM Fuel/Water Separator Reservoir
Genuine GM · Part #13539470 · Fuel / Diesel
Genuine GM diesel fuel/water separator reservoir (included with the fuel filter).
- Part number
- 13539470
- Fits
- 2019-2025 Chevrolet Silverado 2500 HD/3500 HD & Cadillac Escalade, 6.6L Duramax diesel; fuel/water separator reservoir.
- Replaces
84019467
- AutoNation price
- $5.85 (as of 2026-07-13)
Shop this part at AutoNation Parts →
Before you order
- Confirm it fits with your VIN before buying.
- The numbers under “Replaces” are older, superseded numbers — why GM part numbers change.
Details on this page were taken from the live AutoNation Parts listing (https://www.autonationparts.com/parts/gm-fuel-water-separator-reservoir-13539470) on 2026-07-13. Prices and availability can change — confirm on the retailer’s page before purchase. Vehicle fitment was cross-checked against PartsGeek(https://www.partsgeek.com/ss/?i=1&ssq=13539470).