Northwest Conversions 28 Gallon Ram ProMaster Wheel Well Water Tank (Center)
Introducing the Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28, the ultimate solution for maximizing space and ensuring a reliable water supply on your adventures!
The Northwest Conversions 28 gallon wheel well water tank is designed to use the wasted space around the well. It is designed to fit the ProMaster and will also fit other vans. The tank can also fit other vehicle makes and models.
Note: Free Shipping in Continental US!
Key Features: Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28
- 28 Gallon ProMaster Water Tank
- Centered over the wheel well
- 48” long, 14” deep, 20” tall
- Designed to fit the ProMaster Van
- Tank is designed not to be pressurized (I.e. Needs to be vented).
- Tank will fit Sprinter and Transit vans also with more gap around the top of the wheel well.
- Can be placed either driver or passenger side
- Tank has (2) 1.5” NPT ports (need to be drilled out) and (2)1/2” NPT ports on either end.
- Tank has (1) 1.5” NPT port (needs to be drilled out) on top or fill or level sensor.
- Tanks are made from BPA Free Food Grade Plastic
- Made in USA
***Please allow up to 10 days for processing. ***
Specifications: Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28
| Weight | 34 lbs |
|---|---|
| Dimensions | 48 × 14 × 20 in |

Video: Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28
Note: This video shows the 11 Gallon Sprinter Undercarriage Water Tank Installation

Vehicle fitment
- Product type
- Water system component
- Vehicle
- Ram ProMaster
- Summary
- Fits Ram ProMaster. Confirm vehicle model, year range, capacity, fitting sizes, hose routing, mounting location before ordering. Product listing notes: Northwest Conversions 28 Gallon Ram ProMaster Wheel Well Water Tank (Center) Introducing the Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28, the ultimate solution for maximizing space and ensuring a reliable water supply on your adventures! The Northwest Conversions 28 gallon wheel well water tank is designed to use the wasted space around the well. It is designed to fit the ProMaster and will also fit other vans. The tank can also fit other vehicle makes and models.
Fitment FAQ
What does this Northwest Conversions 28 Gallon Ram ProMaster Wheel fit?
This Northwest Conversions 28 Gallon Ram ProMaster Wheel fits Ram ProMaster applications where the listed fitment details match.
Is this product vehicle-specific?
This is a vehicle-specific water system component for Ram ProMaster. Confirm the listed model, year range, configuration, measurements, and installation requirements before ordering.
What should I verify before ordering?
Confirm vehicle model, year range, capacity, fitting sizes, hose routing, mounting location before checkout.
What installation details matter?
Confirm vehicle model, year range, capacity, fitting sizes, hose routing, mounting location 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 water system component is intended for Ram ProMaster camper van conversions, RV upgrades, overland builds, and mobile installations where the listed fitment details match.
Campervan HQ fitment guide
Northwest Conversions 28 Gallon Ram ProMaster Wheel Well Water Tank (Center) for camper van and RV builds
Northwest Conversions 28 Gallon Ram ProMaster Wheel Well Water Tank (Center) supports ProMaster 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 Ram ProMaster. Confirm vehicle model, year range, capacity, fitting sizes, hose routing, mounting location before ordering. Product listing notes: Northwest Conversions 28 Gallon Ram ProMaster Wheel Well Water Tank (Center) Introducing the Northwest Conversions 28 Gallon ProMaster Wheel Well Water Tank PM-C-28, the ultimate solution for maximizing space and ensuring a reliable water supply on your adventures! The Northwest Conversions 28 gallon wheel well water tank is designed to use the wasted space around the well. It is designed to fit the ProMaster and will also fit other vans. The tank can also fit other vehicle makes and models.
Common use cases
- Camper van conversions
- RV upgrades
- Trailer and overland builds





