S&B Filters 20 Gallon Undercarriage Fresh Water Tank - Passenger Side - 2015+ Ford Transit 148" & 148"EXT (10-3015)
Backordered. Not available for purchase at this time.
The S&B 20 gallon passenger side undercarriage fresh water tank is made from food-grade safe, BPA-free polyethylene plastic and is TEI listed. Our tanks are perfect for your home build or build needing RVIA certification. We make our tanks in-house and pressure test every tank.
Features
-
Fits 2014+ Ford Transit 148”/148”EXT
- Fits Passenger Side Undercarriage
- Mounting hardware included
- Food grade safe, BPA-Free
- Polyethylene plastic
- TEI Listed
- RVIA Certification compliant
- In-house pressure tested by S&B Filters
Tank Dimensions:
59" Length x 15.86" Width x 10.55" Height
Tank dimensions are approximate. Dimensions can vary up to .5".
Confirm you don't have anything installed in the way of the tank before ordering. Works with factory Transit, Transit Trail running boards & Owl running boards. Confirmed to NOT work with Flatline Van Co. running boards. The cutouts on the tank where running board brackets are typically installed are 6.8" width x 1.49" depth. Measure your current running board brackets width and depth to be sure compatible before ordering. Depth is typically not an issue.(see image above.)
If you want to know if your running boards will fit, text pictures to 909.675.1313 or email us to confirm.
TEI Tested & Listed / RVIA Approved / BPA Free.
Vehicle Fitment
| Year | Make | Model | Engine |
|---|---|---|---|
| 2015-2025 | Ford | Transit 150 | 3.5L, Ecoboost |
| 2015-2025 | Ford | Transit 250 | 3.5L, Ecoboost |
| 2015-2025 | Ford | Transit 350 | 3.5L, Ecoboost |
| 2015-2019 | Ford | Transit 150 | 2.0L, Diesel |
| 2015-2019 | Ford | Transit 250 | 2.0L, Diesel |
| 2015-2019 | Ford | Transit 350 | 2.0L, Diesel |
| 2015-2025 | Ford | Transit 150 | 3.7L, Gas |
| 2015-2025 | Ford | Transit 250 | 3.7L, Gas |
| 2015-2025 | Ford | Transit 350 | 3.7L, Gas |
More Details
| Kus level sensor height | 8" |
| S&B Capacity (Approximate) | 20 |
| Tank type | Undermount |
| Tei listed | YES |
Documents
Vehicle fitment
- Product type
- Water system component
- Vehicle
- Ford Transit
- Years
- 2015-current
- Wheel
base - 148"WB, 148 EXT
- Summary
- Fits 2015-current Ford Transit. Confirm vehicle model, year range, wheelbase, capacity, fitting sizes, hose routing, mounting location before ordering. Product listing notes: Fits 2014+ Ford Transit 148”/148”EXT Fits Passenger Side Undercarriage Mounting hardware included
Fitment FAQ
What does this S&B Filters 20 Gallon Undercarriage Fresh Water fit?
This S&B Filters 20 Gallon Undercarriage Fresh Water fits 2015-current Ford Transit applications where the listed fitment details match.
Is this product vehicle-specific?
This is a vehicle-specific water system component for 2015-current Ford Transit. 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, capacity, fitting sizes, hose routing, mounting location before checkout.
What installation details matter?
Confirm vehicle model, year range, wheelbase, 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 Ford Transit camper van conversions, RV upgrades, overland builds, and mobile installations where the listed fitment details match.
Campervan HQ fitment guide
S&B Filters 20 Gallon Undercarriage Fresh Water Tank - Passenger Side - 2015+ Ford Transit 148" & 148"EXT (10-3015) for camper van and RV builds
S&B Filters 20 Gallon Undercarriage Fresh Water Tank - Passenger Side - 2015+ Ford Transit 148" & 148"EXT (10-3015) supports Transit 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 2015-current Ford Transit. Confirm vehicle model, year range, wheelbase, capacity, fitting sizes, hose routing, mounting location before ordering. Product listing notes: Fits 2014+ Ford Transit 148”/148”EXT Fits Passenger Side Undercarriage Mounting hardware included
Common use cases
- Camper van conversions
- RV upgrades
- Trailer and overland builds
