Northwest Conversions 11 Gallon Mercedes Sprinter Passenger Side Undercarriage Water Tank
Introducing the Northwest Conversions 11 Gallon Sprinter Undercarriage Water Tank SP-UC-11, the ultimate solution for maximizing space and ensuring a reliable water supply on your adventures!
The 11-gallon Sprinter undercarriage tank is designed to fit under the slider door area. (2) Stainless steel laser cut straps, hardware, and rivnuts are included.
Note: Free Shipping in Continental US!
Key Features: Northwest Conversions 11 Gallon Sprinter Undercarriage Water Tank SP-UC-11
- Fits 2007+ Mercedes Sprinter 144", 170", and 170" EXT model cargo vans
- Fits in the passenger side under slider door step area
- ***Sprinter GAS Engines** Heat Shield (not supplied) from exhaust system should be installed since the exhaust sits closer to the side of the frame on GAS engine Sprinters.
- 11 gallon tank can be used for fresh or grey water
- Tank is designed not to be pressurized (I.e. Needs to be vented).
- Overall dimensions: 37.5"L x 9.25"H x 12.25"W.
- BPA Free, food grade plastic.
- Tank has (2) 1.5" NPT port and (2) 1/2" NPT ports on end that will face the rear of van and (1) 1.5" NPT port on top
- *(2) Stainless steel Brackets, Stainless steel 3/8" hardware, and 3/8" rivnuts included. (17/32" Drill Bit)
- This will require a rivnut tool. Rivnut tool Not included.
- Fits with AMP Research power step
- Made in USA
***Please allow up to 10 days for processing. ***
Note: Not compatible with aftermarket products in the area the tank will be installed, except AMP Research power step.
Specifications: Northwest Conversions 11 Gallon Sprinter Undercarriage Water Tank SP-UC-11
| Weight | 20 lbs |
|---|---|
| Dimensions | 38 × 14 × 10 in |

Video: Northwest Conversions 11 Gallon Sprinter Undercarriage Water Tank SP-UC-11
Vehicle fitment
- Product type
- Adapter or bracket
- Vehicle
- Mercedes-Benz Sprinter
- Wheel
base - 144"WB, 170"WB, 170 EXT
- Summary
- Fits Mercedes-Benz Sprinter. Confirm vehicle model, year range, wheelbase, measurements, mounting location, clearances, installation requirements before ordering. Product listing notes: The 11-gallon Sprinter undercarriage tank is designed to fit under the slider door area. (2) Stainless steel laser cut straps, hardware, and rivnuts are included. Fits 2007+ Mercedes Sprinter 144", 170", and 170" EXT model cargo vans Fits in the passenger side under slider door step area
Fitment FAQ
What does this Northwest Conversions 11 Gallon Mercedes Sprinter Passenger fit?
This Northwest Conversions 11 Gallon Mercedes Sprinter Passenger fits Mercedes-Benz Sprinter applications where the listed fitment details match.
Is this product vehicle-specific?
This is a vehicle-specific adapter or bracket for Mercedes-Benz Sprinter. Confirm the listed model, year range, configuration, measurements, and installation requirements before ordering.
What should I verify before ordering?
Confirm vehicle model, year range, wheelbase, measurements, mounting location, clearances, installation requirements before checkout.
What installation details matter?
Confirm vehicle model, year range, wheelbase, measurements, mounting location, clearances, installation requirements before ordering. Use professional installation when safety-critical, structural, electrical, fuel, water, or suspension work needs to be verified.
Who is this product best for?
This adapter or bracket is intended for Mercedes-Benz Sprinter camper van conversions, RV upgrades, overland builds, and mobile installations where the listed fitment details match.
Campervan HQ fitment guide
Northwest Conversions 11 Gallon Mercedes Sprinter Passenger Side Undercarriage Water Tank for camper van and RV builds
Northwest Conversions 11 Gallon Mercedes Sprinter Passenger Side Undercarriage Water Tank supports Sprinter applications where fitment, measurements, installation requirements, and build layout should be confirmed before ordering.
Why choose this product?
- Supports camper van, RV, and mobile build planning
- Helps confirm measurements, installation needs, and clearances before checkout
- Useful for matching the product to the build layout before ordering
Installation context
- Confirm measurements and clearances
- Review wiring, mounting, sealant, or material requirements where relevant
- Use professional installation when the build requires it
Compatibility notes
Fits Mercedes-Benz Sprinter. Confirm vehicle model, year range, wheelbase, measurements, mounting location, clearances, installation requirements before ordering. Product listing notes: The 11-gallon Sprinter undercarriage tank is designed to fit under the slider door area. (2) Stainless steel laser cut straps, hardware, and rivnuts are included. Fits 2007+ Mercedes Sprinter 144", 170", and 170" EXT model cargo vans Fits in the passenger side under slider door step area
Common use cases
- Camper van conversions
- RV upgrades
- Trailer and overland builds














