Bluecol BLL005 OE 40 Coolant, 5 L

Bluecol BLL005 OE 40 is a 5-litre ethylene glycol-based coolant and antifreeze for liquid-cooled automotive and industrial engines. The listing claims year-round use, protection against freezing down to -36 degrees and conformity to BS6580 (2010).

At a glance

Described as a long-life coolant for liquid-cooled automotive and industrial internal combustion engines.
The listing claims compatibility with seals, hoses and plastic components, plus corrosion protection.
A 50/50 coolant and water mixture is recommended for optimum protection.

Price

£21.14Save 15%

Reference price: ~~£24.99~~

Price checked: 14 Nov 2026

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Pros and cons

Pros

The stated application covers both automotive and industrial liquid-cooled engines.
The listing specifies a mixing recommendation and a freeze-protection claim, useful when planning coolant preparation.

Cons

Requires mixing with water to reach the stated optimum protection recommendation, rather than being presented as ready to use.

Technical specifications

8 specifications

Identity
Brand	Bluecol
Model	BLL005

Dimensions and installation
Dimensions listed	18.5 x 13 x 30 cm; 5.83 kg
Weight listed	5.83 kg

Product claims
Coolant base	ethylene glycol based
Freeze protection claim	Helps prevent winter freezing down to -36 degrees and summer boil over
Standard claim	Conforms to BS6580 (2010)
Recommended mixture	To obtain optimum protection a 50/50 coolant and water mixture is recommended.

What to know before buying

The -36 degrees freeze claim is reported without a temperature unit in the listing. Confirm the correct coolant specification and mixture for the vehicle before use, and do not assume the broad compatibility claim replaces the vehicle manufacturer's requirements. The dimensions entry also includes a weight, which is listed separately.

Who is it for?

A good fit for

Vehicle owners seeking a coolant for a liquid-cooled engine who can confirm that the product's claimed specification suits their vehicle.
Buyers maintaining liquid-cooled industrial internal combustion engines, subject to checking the required coolant specification.

Less suited to

Anyone who needs a ready-to-use coolant without mixing.
Buyers who cannot verify that the coolant is suitable for their vehicle or engine.

Bluecol BLL005 OE 40 Coolant, 5 L · photo 2 — Additional product photo 2

Customer reviews on Amazon

4 / 5 · 4 ratings

5 stars77%77%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star23%23%

Aggregate ratings are mixed, with a majority in the five-star category but a notable one-star share. The small rating sample offers limited guidance and does not explain why customers rated the coolant as they did, so confirm specification suitability rather than relying on the overall score.

Frequently asked questions

Is Bluecol BLL005 ready to use?

The listing recommends a 50/50 coolant and water mixture for optimum protection, so it is not presented as ready to use.

What freeze protection does the listing claim?

It says the coolant helps prevent winter freezing down to -36 degrees, but does not specify a temperature unit. Confirm the applicable protection and mixing instructions before use.

Which engines is this coolant described for?

It is described for liquid-cooled automotive and industrial internal combustion engines. Check the vehicle or engine manufacturer's coolant requirements before choosing it.