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Castrol GTX 10W-40 A3/B4 Engine Oil 5L

Original price was: £44.50.Current price is: £42.41. (as of 10/08/2026 23:45 PST - DetailsProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.)

Castrol GTX 10W 40 A3/B4 Engine Oil 5L is a motor oil for drivers who need this grade and specification set. It is listed as suitable for API SP and includes several approval references, making it a practical option when you want to match your vehicle requirements carefully. Check the handbook before ordering to confirm compatibility.

SKU: B0C812PDFW Category:

Quick Summary

Castrol GTX 10W 40 A3/B4 Engine Oil 5L is a motor oil for vehicles that need this grade and specification set. It is listed as suitable for API SP and includes approvals and meets statements for Fiat, Mercedes Benz, Renault, and VW use.

Who It Is Best For

This is best for drivers looking for a 10W 40 engine oil with the stated A3/B4 specification and the listed approval references. It suits shoppers who want to match oil requirements carefully and prefer a single 5L container.

What To Know Before You Buy

Check your vehicle handbook or the current oil requirement before ordering, especially if you need a specific approval or specification.

Pros: Clear grade and specification details make it easier to match to the right vehicle requirement.

Cons: You should confirm the exact approval or specification needed for your vehicle before buying.

Common Buyer Questions

What type of product is this?
It is Castrol GTX 10W 40 A3/B4 engine oil in a 5L size.

Is it suitable for my vehicle?
It may be suitable if your vehicle calls for the listed grade, specification, or approval references. Check your handbook first.

What approvals or meets statements are listed?
It is listed as suitable for API SP and meets Fiat 9.55535 D2 and 9.55535 G2, with MB Approval 226.5 and 229.3, Renault RN 0700 and RN 0710, and VW 501 01 and 505 00.

What does 5L mean?
It refers to the container size.

Should I check anything before ordering?
Yes, make sure the grade and specification match what your vehicle needs.

Key Details

DetailWhat it means in use
BrandCastrol
Product typeEngine oil
Grade10W 40
SpecificationACEA A3/B4
Container size5L
Listed suitabilitySuitable for API SP
MeetsFiat 9.55535 D2 and 9.55535 G2
ApprovalsMB Approval 226.5 and 229.3
Additional meets statementsRenault RN 0700 and RN 0710, VW 501 01 and 505 00

Final Buying View

Castrol GTX 10W 40 A3/B4 Engine Oil 5L is a straightforward choice if you need this exact grade and the listed specification references. It gives you a clear set of compatibility markers to check against your vehicle needs. If the grade and approvals match, it is a sensible option to consider.

Brand

Castrol

Manufacturer

Castrol

Binding

Automotive

Product Group

Automotive Parts and Accessories

EAN

4008177189265

Part Number

15F8FC

Model

dk-221

Warranty

refer to Castrol website

Color

Amber

Product Dimensions

4.96 x 7.40 x 12.60 inches

Item Weight

9.68 Pounds

Size

5L

Number Of Items

4

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