# CarPlan Blue Star Antifreeze & Coolant Concentrate 5L

CarPlan Blue Star is a 5-litre mono-ethylene glycol-based antifreeze and coolant concentrate, listed as suitable for classic and vintage vehicles. Its corrosion inhibitors are claimed to remain in the system for up to two years, and it conforms to BS6580 \(2010\).

- [Original product page](https://bargainpostbox.co.uk/product/carplan-blue-star-antifreeze-coolant-concentrate-5l)
- [View offer](https://bargainpostbox.co.uk/visit/carplan-blue-star-antifreeze-coolant-concentrate-5l)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: CarPlan
- Model: BSA005
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Vehicle Oils & Fluids
- Price: 14.39 GBP
- Previous price: 22.99 GBP
- Discount: 37%
- Price checked: 2026-11-12T14:39:30.246Z
- Rating: 4.7 / 5
- Reviews: 223

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Concentrate format lets the buyer prepare coolant rather than selecting a ready-mixed product.
- Corrosion inhibitors are claimed to provide protection for up to two years.
- The listing describes it as suitable for classic and vintage vehicles.
- Contains Bitrex, which the listing says helps prevent ingestion.

## Pros

- The classic and vintage vehicle suitability is explicitly stated, matching buyers maintaining older cars.
- The listing identifies the mono-ethylene glycol base and cites BS6580 \(2010\), useful details to compare with vehicle requirements.
- Corrosion inhibitors and the stated maximum two-year period provide a defined maintenance reference.

## Specifications

### Identity
- Brand: CarPlan
- Model: BSA005
### Dimensions and weight
- Dimensions listed: 18.5 x 13 x 28.5 cm; 4.75 kg
- Weight listed: 4.75 kg
### Formula and claims
- Base: mono-ethylene glycol
- Standard conformity: BS6580 \(2010\)
- Maximum inhibitor service period: up to a maximum of 2 years

## Before you buy

- This is a concentrate. Confirm the correct dilution and compatibility for the vehicle before use. The stated two-year maximum is a listing claim, not a substitute for the vehicle maker’s service guidance.

## A good fit for

- Owners of classic or vintage vehicles seeking a coolant concentrate, after confirming compatibility with their cooling system.
- Drivers who prefer a concentrate and can follow vehicle-specific dilution guidance.

## Less suited to

- Buyers who need a ready-to-use premixed coolant.
- Anyone whose vehicle requires a specification or coolant type not confirmed by the supplied listing.

## Customer feedback

Customer feedback highlights perceived effectiveness and suitability for older vehicles, particularly classic cars. These comments align with the product’s listed classic-car suitability and antifreeze purpose, but do not establish compatibility with every older cooling system. The aggregate ratings are mostly five-star, while a smaller share is lower, so experiences are not uniformly positive.
- Positive themes: Customers describe it as effective.
- Positive themes: Customers mention suitability for older vehicles and classic cars.
- Positive themes: Feedback mentions its antifreeze function.

## Frequently asked questions

### Is this coolant ready mixed?
No. The listing identifies it as a concentrate. Check the vehicle’s instructions for the required dilution.
### Is it listed for classic cars?
Yes. The listing says it is suitable for classic and vintage vehicles, but buyers should still confirm that its chemistry meets their vehicle’s requirements.
### How long can it remain in the cooling system?
The listing says its corrosion inhibitors can remain in the system for up to a maximum of two years. Follow the vehicle maker’s maintenance guidance.
### Does it contain an ingestion deterrent?
The listing says it contains Bitrex to help prevent ingestion. This does not make the product safe to ingest.

## Alternative options

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- [Hexeal Blue Antifreeze 5L – Ready Mix, Long-Life Coolant, -23 ºC \| All Year Freeze Protection, Engine Coolant and Antifreeze for Vans and Cars](https://bargainpostbox.co.uk/visit/carplan-blue-star-antifreeze-coolant-concentrate-5l)
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- [Hexeal Blue Antifreeze 5L - High Concentrate, Long-Life Coolant, -37 ºC \| All Year Freeze Protection, Engine Coolant and Antifreeze for Vans and Cars](https://bargainpostbox.co.uk/visit/carplan-blue-star-antifreeze-coolant-concentrate-5l)
- [Holts HAFR0008B Antifreeze Coolant for Car Mercedes & BMW, 10-year 300k mile long life, protection to -37°C, Includes Spout, Blue, 5 Litre](https://bargainpostbox.co.uk/visit/carplan-blue-star-antifreeze-coolant-concentrate-5l)
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## Add-ons

- [Holts Speedflush Coolant Flush, Universal Car Radiator Flush, High Performance Coolant Flush For Radiators & Cooling System, Quick & Easy To Use, Prevents Overheating, Suitable For All Cars, 250ml](https://bargainpostbox.co.uk/visit/carplan-blue-star-antifreeze-coolant-concentrate-5l)

## Images

![CarPlan Blue Star Antifreeze & Coolant Concentrate 5L — 1](https://bargainpostbox.co.uk/i/PGZaDDcVgbVdbVb4bblOB9l4ndTDj0L47E4Frt9PQDesSr9UmM4pGhbaFvMev38siqhQQQXv2OKlx2amKFpCSqf7lwDiIppBvykL5ZTtxCEqwgOY0k2BUpqw.jpg)

![CarPlan Blue Star Antifreeze & Coolant Concentrate 5L — 2](https://bargainpostbox.co.uk/i/xZsmhm36gje9CcFqt-W30ChUiHhVv--ZhFxqmbMTRnJXqEye4pqSPpej6LgnCbYIUGUfvQvM_UqRiThHQv9P962VG42iZRKYI0cYDMDVi8q6uOpGQ-xw9H4K.jpg)

![CarPlan Blue Star Antifreeze & Coolant Concentrate 5L — 3](https://bargainpostbox.co.uk/i/pL9lh4yVXIk8MNKTf8v86D4690kwBosJjF6QiVqhhmWMMTu5xYBd0DRiOr1WanKDpulrgrZ1yVDGMS3zdEN_IxqKX1qowUB2Nbdi4s3-YKQpjlUcXD-Dn15Z.jpg)

![CarPlan Blue Star Antifreeze & Coolant Concentrate 5L — 4](https://bargainpostbox.co.uk/i/VkUY8uKhLZH5ewZUvz8ZoFzCHiNj9M0neZxT1pWob50fjVL7v6vlDjxm2vCQYVh4vO1etjDRztZ08ba29-09slpeVz-YBN8SXNDfT2ozYUwVefOnfS0X1tHO.jpg)