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🛠️ Shift smoother, drive smarter — the pro’s choice for manual transmissions!
Castrol TRANSMAX Manual Multivehicle 75W-90 is a fully synthetic transmission fluid engineered with Smooth Drive Technology to deliver 5 times easier gear shifts in cold conditions and enhanced protection for manual transmissions. Trusted by leading manufacturers and meeting key industry standards, it extends transmission life while ensuring optimal performance across a wide range of passenger vehicles.






| ASIN | B0C8159M17 |
| Best Sellers Rank | 11,079 in Automotive ( See Top 100 in Automotive ) 21 in Gear Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 183 Reviews |
| Global Trade Identification Number | 04008177180125 |
| Included Components | Car Engine Oils |
| Item Form | Oil |
| Item Type Name | Car Engine Oils |
| Liquid Volume | 1 Litres |
| Liquid volume | 1 Litres |
| Manufacturer | Castrol |
| Material | Plastic |
| Model Number | 15F16B |
| Number of Items | 1 |
| Package information | Bottle |
| Part Number | 15F16B |
| Product Warranty | refer to Castrol website |
| Recommended Uses For Product | Manual transmissions in passenger cars |
| Recommended uses for product | Manual transmissions in passenger cars |
| SAE J300 Viscosity Grade | 75W-90 |
| Specific Uses For Product | API GL-4, MB-Approval 235.72, Ford WSD-M2C200-C, SAE Class according to J306 pre 1998 |
| Unit Count | 1000.0 millilitre |
| Upper Temperature Rating | 150 Degrees Celsius |
| Viscosity | 75W 90 |
T**E
Excellent Gear Oil
This is definitely the stuff to be put into your gearbox! My car really needed a gear-oil change and I was recommended to source this brand and description of oil, and the recommendation was certainly correct and valid.
P**R
Good product
Does what its says on tin, arrived earlier then date given , good price
C**N
good oil, no issue with it.
i have used this in my smart fortwo 451 and it works wonders, no problems with the gearbox, all works well.
A**Y
Quality product
Great product, no issues after using it
Y**1
Great
Great
J**N
fit for job
good quality oil - price good too
M**.
Arrived promptly and as described.
Will need time to see if a difference is noticeable with my situation, but other reviews are good.
J**I
Recommended for Smart Car 451 Trans-axle
Best quality you can buy for you Smart Car trans-axle
A**O
Focus mk2 1.8 tdci
Calidad castrol que más puedo añadir no es barato pero hay mucha calidad la caja deja de hacer ruido
J**S
Bueno. Solucionó problema.
Se arregló resistencias del cambio a las pocas semanas de cambiar el aceite. 280.000 km
A**L
Muy buena
Para mi es uno de los mejores aceites del mercado
M**.
Todo bien.
Muy buena marca a buen precio.
O**R
Excelente producto
todo perfecto
Trustpilot
3 weeks ago
2 months ago