Bottle of antifreeze on white background
Antifreeze being poured into a container
Brand: Alde SKU: swls1986

Alde 1L Premium G12 EVO Antifreeze

£13.99
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The Alde 1L Premium G12 EVO Antifreeze is a high-quality, long-lasting coolant specially formulated for Alde heating systems and other compatible motorhome, campervan, and caravan heating boilers. Designed to protect against freezing, corrosion, and overheating, this antifreeze ensures reliable performance and longevity of your Alde boiler system during all seasons. Featuring the advanced G12 EVO formula, this antifreeze offers superior protection compared to standard coolants. It prevents frost damage down to -35°C, making it ideal for winter storage or cold-weather travel. 

Additionally, its corrosion inhibitors safeguard the internal metal components of the Alde system, including radiators, pumps, and pipes, from rust and scale buildup, extending the lifespan of your heating setup. It is fully compatible with Alde’s closed-loop heating systems and meets stringent OEM standards for safe use without damaging seals or plastic components. Installation is straightforward - simply drain the old coolant from the heating system, flush if necessary, and refill with the Alde Premium G12 EVO Antifreeze to maintain optimal operation. Regular use of this antifreeze helps prevent costly repairs caused by frozen or corroded heating.

Key features:

  • Specially formulated for Alde heating systems.

  • Advanced G12 EVO formula designed to protect against freezing, corrosion, and overheating.

  • Prevents frost damage down to -35°C.

  • Corrosion inhibitors to protect internal metal components.

  • Straightforward installation.

Pickup available at Southwest Leisure Spares

Usually ready in 4 hours

Pairs well with

All items come with full manufacturer guarantees for quality and performance

Shipping & Returns Policy

Shipping Policy

We aim to dispatch orders within 2 working days and are shipped via Royal Mail or FedEx with tracking and drop-off without signature.

Shipping is free on orders over £100 (exclusions apply)*
For orders under £100 there is a £5.99 shipping charge
For all next day orders there is a £9.99 shipping charge
For large or oversized items such as bumpers, there is a set shipping charge of either £25 or £50, depending on the size of the item

*We offer free delivery on orders over £100, excluding bespoke orders placed as part of our Part Finder service, large or oversized items and products shipped directly from the supplier.

To see our full Shipping Policy click here

Returns Policy

If you're not completely satisfied with your order, you can return it to us within 14 days of receipt via Royal Mail. Though please note that we charge £3 for returns that are not faulty and the £3 will be deducted from your refund. Only damaged parts will have a full refund and return postage paid for.

To see our full Returns Policy click here

Fitting available at our NCC Approved Workshop

We supply genuine spare parts sourced directly from leading manufacturers, serving the caravan, motorhome, holiday park, leisure, and marine industries. Our close links with manufacturer technical teams give us access to hundreds of detailed diagrams, technical resources, and parts lists—ensuring you get the right component every time.


If your part requires professional fitting, our NCC Approved Workshop in Ilminster, Somerset is fully equipped to help. Simply get in touch to book an installation appointment, and our experienced technicians will ensure your parts are fitted safely, correctly, and in line with manufacturer specifications.

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