NW Conversions 11-Gallon Sprinter Undercarriage Water Tank (SP-UC-11)

$260.10 USD $289.00 USD

NW Conversions 11-Gallon Sprinter Undercarriage Water Tank (SP-UC-11)

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NW Conversions 11-Gallon Sprinter Undercarriage Water Tank (SP-UC-11)

$260.10 USD $289.00 USD

Claim the unused space under your slider door without drilling a single new hole in your floor. The NW Conversions 11-Gallon Sprinter Undercarriage Water Tank (SP-UC-11) mounts between the Sprinter's frame and the passenger-side slider door step cutout, utilizing otherwise wasted undercarriage space. Ideal as a dedicated grey tank paired with a larger fresh water setup, or as a standalone fresh water tank.

Undercarriage Space Optimization: Mounts beneath the passenger-side slider door step area to keep your interior living space and layout open.
No-Drill Floor Design: Anchors underneath the vehicle frame without requiring you to drill holes through your interior floor pan.
Food-Grade Construction: Molded from BPA-free, food-grade polyethylene, ensuring a safe fresh water supply or durable grey water containment.
Certified Quality: Manufactured in the USA and IAPMO TS 4 certified to meet material safety and quality standards.

Make & Model: Mercedes-Benz Sprinter 1500, 2500, and 3500 vans (Model years 2007 to present).
Wheelbase: Fits 144", 170", and 170" Extended (EXT) wheelbases.
Placement: Passenger-side undercarriage, beneath the factory slider door step cutout.
Step Integration: Compatible with AMP Research PowerStep Electric Running Boards for 2019–2021 Mercedes Sprinter (part #76264-01A). May be compatible with additional running boards; confirm dimensions before ordering.

[1] 11-Gallon Undercarriage Water Tank

[2] Stainless Steel Laser-Cut Mounting Straps

[1] Stainless Steel 3/8" Hardware Pack

[1] Set of 3/8" Rivnuts

Please Note: A rivnut tool is required for installation and is not included.

Capacity: 11 gallons
Dimensions: 37.5" L × 12.25" W × 9.25" H
Product Weight: 12 lbs (Empty)
Material: BPA-free, food-grade polyethylene
Certifications: IAPMO TS 4 Certified
Venting Required: Not designed for pressurized systems, must be vented

Plumbing Port Configuration:

Rear-Facing End: (1) 1.5" NPT port & (2) 1/2" NPT ports
Top: (1) 1.5" NPT port

Frequently bought together:

Important Notes & Pro Tips

Gas Engine Heat Shield Requirement: On gasoline-powered Sprinter models, the exhaust system runs closer to the frame. You must install a heat shield (not included) between the tank and the exhaust line before use to protect the tank from thermal damage.
Venting Requirement: This tank is designed for non-pressurized systems and must be properly vented to open air to operate safely.
Rivnut Tool Required: Securing the mounting straps requires setting the included 3/8" rivnuts into the chassis. Ensure you have a dedicated rivnut tool on hand before beginning installation.

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