CASTROL EDGE 5W-40

Gasoline engine oil · Full synthetic

API SQChange every 10,000 kmGasoline

Full synthetic engine oil for gasoline engines, API SQ, ACEA A3/B4. Oil change labor included in store.

฿2,750/ 4+1 L

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Delivery options

Oil change at any of our 5 storesLabor is included in this price. Choose a store and date at checkout.

Or free home delivery nationwideSame price · 2–7 days with tracking

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DetailsSpecificationsOil change & shipping

Castrol EDGE 5W-40 A3/B4 is a 100% synthetic oil for high-performance gasoline engines and newer cars, rated API SQ and ACEA A3/B4 with European carmaker specs such as MB 229.5 and VW 502 00/505 00. The maker says its PowerBoost Technology helps deliver power and acceleration.

What the maker says

PowerBoost TechnologyThe maker says this performance additive works with fully synthetic base oils to keep engine parts moving quickly and powerfully.

Horsepower and accelerationThe maker says it delivers more horsepower and stronger acceleration, with better performance from improved fuel economy.

Built for modern engine pressureThe maker says it handles the higher pressures of today's downsized engines and is recommended by leading carmakers.

Best for

Gasoline cars, sports cars and newer models whose owner's manual calls for 5W-40 ACEA A3/B4 or API SQ.

Specifications

Viscosity	SAE 5W-40
Oil type	Full synthetic
Standards	API SQ, ACEA A3/B4
Approvals	BMW Longlife-01, MB 229.5, Porsche A40, VW 502 00/505 00 (maker lists it as suitable for MB 226.5)
Engine	Gasoline
Change interval (our guideline)	10,000 km or 6 months, whichever comes first
Pack sizes	4+1 L (5 L total)

EDGE 5W-40 FAQ

What cars is Castrol EDGE 5W-40 for?

High-performance gasoline cars, sports cars and newer models that call for 5W-40 ACEA A3/B4 or API SQ, including European cars that list MB 229.5, VW 502 00/505 00, BMW Longlife-01 or Porsche A40.

How often should I change Castrol EDGE 5W-40?

We recommend every 10,000 km or 6 months, whichever comes first. If your owner's manual calls for a shorter interval, follow the manual.

What is PowerBoost Technology?

It is Castrol EDGE's performance additive technology. The maker says it works with fully synthetic base oils to keep engine parts moving quickly for better power and acceleration.

What is API SQ?

API SQ is the API gasoline engine oil spec introduced in 2025. It builds on API SP with better deposit and oil-breakdown control, and replaces API SP and older specs.