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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 designed with Smooth Drive Technology to optimize friction control and extend transmission life. Compatible with a wide range of passenger car manual transmissions, it meets key industry standards including API GL-4 and MB-Approval 235.72. Engineered for superior low temperature shiftability and heat resistance up to 150°C, it’s the trusted factory fill for 2 out of 3 major vehicle manufacturers.






| ASIN | B0C8159M17 |
| Best Sellers Rank | 31,521 in Automotive ( See Top 100 in Automotive ) 78 in Gear Oils |
| Brand | Castrol |
| Brand Name | Castrol |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 203 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 |
| Number of Packs | 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 |
W**E
Oil
All as advertised
B**N
Well designed bottle
Good! I used this on my Ford Transit MK7 2012, was easy to squirt in, although I would still recommend having a pump especially for the last 1/4 of the bottle, depends on where the fill hole is placed on the transmission.
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.
K**E
Great
Works , very easy to pour in , great value and we still have half of one left over
J**S
Pricey Fluid
Fluid was suitable for my car.
M**E
All good.
All good.
P**R
Good product
Does what its says on tin, arrived earlier then date given , good price
A**L
Not sure how you can rate it?
I’ve given it 5 stars as transmission hasn’t failed since I put it in 100 miles ago lol
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
M**3
Calidad precio
De lo mejor
A**L
Muy buena
Para mi es uno de los mejores aceites del mercado
B**E
GL4 vital para cuidar metales, ideal Suzuki Swift MK3
Opción técnica más equilibrada para la caja del Suzuki Swift MK3. Protección GL-4: Es vital para no degradar los metales "amarillos" (bronce/latón) de los sincronizadores (Un aceite GL-5 estándar sería demasiado agresivo y los acabaría dañando).
Trustpilot
1 month ago
3 weeks ago