Transit Custom - (2023 onwards) / VWT7 - (2025 onwards) Wheel Arch Water Tank 37L
Transit Custom - (2023 onwards) / VWT7 - (2025 onwards) Wheel Arch Water Tank 37L is backordered and will ship as soon as it is back in stock.
Care information
Care information
To help you get the most from your purchase:
- Follow the manufacturer's care and maintenance instructions.
- Store products clean and dry when not in use.
- Clean with warm water and a mild detergent unless otherwise stated.
- Avoid prolonged exposure to harsh weather when the product is not in use.
- Regular maintenance will help extend the life of your caravan and camping equipment.
If you have any questions about installation, compatibility or maintenance, our team is happy to help.
Delivery and Shipping
Delivery and Shipping
🚚 Delivery & Shipping
We aim to dispatch all in-stock orders within 1–2 working days. Orders placed before 3pm are usually dispatched the same working day, although this may take up to 48 hours during busy periods.
- Standard UK Delivery: 2–3 working days
- Next Day Delivery: Available on selected products
- Large, oversized or pallet items: May take 2–5 working days
- Tracking information will be provided once your order has been dispatched.
- All deliveries require a signature upon arrival.
Please note that oversized, overweight or hazardous items may incur additional delivery charges, which will be displayed at checkout.
If an item is temporarily out of stock, we'll notify you and dispatch it as soon as it becomes available.
Need delivery outside the UK or have a special delivery request? Contact our customer support team for a personalised shipping quote.
Returns & Warranty
Returns & Warranty
We offer a 30-day returns policy on unused items in their original packaging. If your item develops a fault, we'll work with the manufacturer to resolve it quickly. Please see our Returns Policy for full details.
Need Help?
Need Help?
Not sure if this product is compatible with your caravan, motorhome or awning? Contact our team before ordering and we'll happily check compatibility for you.
Why Buy From Trekka?
Why Buy From Trekka?
🇬🇧 UK Based Business
🚚 Fast UK Delivery
💬 Friendly Expert Support
⭐ Quality Brands You Can Trust
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Transit Custom - (2023 onwards) / VWT7 - (2025 onwards) Wheel Arch ...
Transit Custom - (2023 onwards) / VWT7 - (2025 onwards) Wheel Arch Water Tank 37L is backordered and will ship as soon as it is back in stock.
⚠️ Please Note: To complete your installation you will also need:
- Transit Custom / VWT7 31L & 37L Wheel Arch Tank Bracket Kit — vehicle-specific mounting brackets
- Wheel Arch Water Tank Plumbing Kit (31L & 37L) — all BSP fittings, seals and PTFE tape
The 37L Wheel Arch Water Tank is a vehicle-specific water storage solution designed to maximise usable space inside a campervan conversion. Engineered to fit neatly over the wheel arch of the Ford Transit Custom V710 (2023 onwards) and Volkswagen Transporter T7 (2025 onwards), it provides a convenient onboard water supply without sacrificing valuable living or storage space.
Manufactured in the UK from durable, WRAS-approved polyethylene suitable for potable water, the tank is designed for both fresh water and general water storage applications. Its moulded shape allows installation on either the nearside or offside wheel arch, making it a flexible solution for a wide range of campervan layouts.
Key Features
- 37-litre water storage capacity
- Designed for:
- Ford Transit Custom V710 (2023 onwards)
- Volkswagen Transporter T7 (2025 onwards)
- Wheel arch-mounted design
- Maximises interior storage space
- Suitable for potable water use
- WRAS-approved polyethylene construction
- Fits nearside or offside wheel arch locations
- Durable rotationally moulded construction
- Large inspection/access lid
- Multiple inlet and outlet connection points
- Suitable for campervan and motorhome conversions
- Manufactured in the UK
Technical Specifications
| Specification | Value |
|---|---|
| Manufacturer | Wydale Plastics |
| Capacity | 37 Litres |
| Material | WRAS Approved Polyethylene |
| Colour | Black |
| Length | 800 mm |
| Width | 200 mm |
| Height | 750 mm |
| Weight | 4.5 kg |
| Access Lid | 5" Internal Unvented Lid |
| Inlet / Outlet Connections | 3 × ½" BSP |
| Installation Position | Nearside or Offside Wheel Arch |
| Application | Fresh Water Storage |
Specifications may vary slightly due to the rotational moulding manufacturing process.
Design Benefits
Space-Saving Installation
The tank is shaped to utilise otherwise wasted space above the wheel arch, allowing builders to retain more floor space and storage within the living area. This makes it particularly attractive for compact campervan conversions where every litre of storage matters.
Vehicle-Specific Fit
Designed around the dimensions of the latest Transit Custom and VW T7 platforms, the tank integrates neatly into modern campervan layouts while maintaining accessibility for plumbing and maintenance.
Potable Water Safe
Manufactured from WRAS-approved polyethylene, the tank is suitable for storing drinking water when installed as part of a properly maintained fresh water system.
Connection Points
The tank incorporates three ½" BSP inlet/outlet positions supplied undrilled, allowing installers to configure the plumbing layout to suit their build requirements. Typical uses include:
- Fresh water outlet
- Water inlet connection
- Vent connection
- Pump feed connection
- Water level monitoring installations
A dedicated Wheel Arch Water Tank Plumbing Kit (31L & 37L) is available separately.
Suitable Applications
- Campervan conversions
- Ford Transit Custom conversions
- Volkswagen Transporter T7 conversions
- Day vans
- Motorhomes
- Weekend campers
- Off-grid van builds
- Fresh water storage systems
- Mobile leisure vehicles
Why Choose This 37L Wheel Arch Tank?
The 37L Wheel Arch Water Tank provides an efficient and professional water storage solution for Transit Custom and VW T7 campervan conversions. By utilising unused wheel arch space, it delivers substantial water capacity while preserving valuable interior storage and living space. Its durable WRAS-approved construction, vehicle-specific design, and flexible installation options make it an excellent choice for modern campervan builds.
Payment & Security
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