89 Litre Underslung Water Tank for Mercedes Sprinter
Maximise your Mercedes Sprinter van’s water storage with this purpose-built 89 Litre underslung water tank. Designed for efficiency, durability, and easy installation, it’s ideal for camper conversions, work vans, or any van build that requires smart use of space.
Applicability
This underslung tank is specifically designed for:
- Mercedes Sprinter 2006 onwards – L2, L3, L4 versions
- Rear wheel drive vehicles
- Right-hand drive only
Note: Manufacturer is exploring compatibility with L1, FWD, 4WD, and left-hand drive variants. These are not available at present.
Optional Extras
- Fitting Kit For 89 Litre Underslung Tank (USK89C) Brackets and fittings for easy mounting.
- Plumbing Kit For 89 Litre Underslung Tank(USKSDP) Adaptable components for varying pipe sizes and connections.
Key Features
- Vehicle-specific fit: Designed exclusively for Mercedes Sprinter vans for a secure and streamlined installation.
- Generous 89L capacity: Ample water storage without taking up valuable interior space.
- 5″ internal access lid: Easy cleaning, inspection, and maintenance.
- Dual BSP female outlets: 1 x 1 1/4″ BSP outlet & 1 x 1/2″ BSP outlet
- Preinstalled vents (x4): Prevent airlocks and ensure consistent water flow.
- Manufactured in the UK
- Joint development between industry experts
- Highly-durable Polymer
Built to withstand the demands of the road, this tank offers reliable water storage while keeping your van’s interior free for living or working.
Optional Inlets / Outlets
- Additional Inlets/Outlets >>
- QJ® KwiQ Fit Fittings – This fitting is perfect for when internal access to the tank is not possible. This fitting has a unique gasket compression system, therefore it allows the user to fit the outlet using external access only. Available in a wide variety of sizes and gradings (chemical/food/diesel/oil), it also has both male and female threads as standard for versatility. Fitting kits are available for a fuss-free installation.
Product Specification Sheet
89 Litre Mercedes Sprinter Underslung Water Tank Product Specification Sheet
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NOTE – the outlets on this tank are ‘drilled’ as standard.




















