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🛠️ Keep your engine cleaner, cooler, and running longer — because your drive deserves the best.
Castrol GTX 15W-40 A3/B3 Engine Oil is a premium-grade lubricant designed for gasoline and diesel engines, featuring a 3X-Clean formula that reduces engine sludge by 35% compared to industry standards. It offers advanced thermal and viscosity protection, meets multiple global performance standards, and is trusted by drivers and mechanics for over 50 years to extend engine life and maintain peak performance.
| ASIN | B0C814FRYG |
| Best Sellers Rank | 1,682 in Automotive ( See Top 100 in Automotive ) 49 in Car Engine Oils |
| Brand | Castrol |
| Customer Reviews | 4.9 4.9 out of 5 stars (267) |
| Date First Available | 21 Aug. 2023 |
| Item Weight | 4.34 kg |
| Item model number | 15F629 |
| Manufacturer | Castrol |
| Manufacturer part number | 15F629 |
| Model | GTX 15W-40 A3/B4 |
| Position | Driveline |
| Product Dimensions | 26 x 11.7 x 30 cm; 4.34 kg |
| Viscosity | 15W-40 sae_grade |
H**R
Castrol GTX 15/40
Good quality engine oil. Reasonably priced.
M**E
great oil.
Good price for the oil, use it in 2 of the bikes. Superb protection
R**.
Top brand ,good price.
Quality product. Nothing else to say.
M**S
Quality oil.
Trusted Top oil.
R**9
Price and quality
Quality price
A**R
for classic car
Good oil for my classic
D**N
A quality oil for older diesel engines.
Well suited to older diesel engines. Used for a 2000 year VW Transporter.
E**S
Known brand reliabilty for my generator.
I have used this for our petrol generator and have no complaints. It is a known brand, and I need to know I can rely on ity to do the job for a years duty over winter. The price is competitive, and no issues on delivery or packaging.
C**N
Parfait 👌 merci
E**Z
Great
A**O
Perfetto
A**H
Super schnelle Lieferung, sehr empfehlenswert für Oldtimer.
H**.
Alles o.k.
Trustpilot
2 months ago
2 weeks ago