We remain fully operational. Our teams are working around the clock to ensure your deliveries continue safely.
DOWNLOAD THE APP
Customer Services
Copyright © 2025 Desertcart Holdings Limited
DOWNLOAD THE APP
⚙️ Keep your transmission running smoother, longer — because your ride deserves the best!
Castrol TranSynd 668 is a premium full-synthetic automatic transmission fluid designed exclusively for ALLISON transmissions. It offers industry-leading extended drain intervals up to 300,000 miles, exceptional shear stability to protect gears, and enhanced anti-shudder and clutch durability, making it the ultimate choice for professionals seeking reliability and long-term value.
| ASIN | B0977Q8S49 |
| ASIN | B0977Q8S49 |
| Best Sellers Rank | #19,898 in Automotive ( See Top 100 in Automotive ) #75 in Transmission Fluids |
| Brand Name | Castrol |
| Container Type | Pail |
| Customer Reviews | 4.8 4.8 out of 5 stars (296) |
| Global Trade Identification Number | 00079191219638 |
| Included Components | Transmission Fluid |
| Item Form | Liquid |
| Item Type Name | Full Synthetic Transmission Fluid |
| Item Weight | 38 Pounds |
| Item model number | 15E2E0 |
| Liquid Volume | 640 Fluid Ounces |
| Manufacturer | Castrol |
| Manufacturer | Castrol |
| Material | Synthetic |
| Package Dimensions | 16.25 x 13.5 x 13 inches; 38 Pounds |
| UPC | 079191219638 |
| UPC | 079191219638 |
| Unit Count | 640.0 Fluid Ounces |
| Warranty Description | 3 months |
R**E
great quality
great product great value
J**X
Excellent value
Excellent value for complete service of your Allison transmission
M**H
Specified oil and thus does the job well
Specified oil for the cummins transmission and thus does the job well.
J**F
Good quality for Allison MD3060 transmission.
Transmission runs cooler in my freightliner motorhome with this while towing my jeep.
J**F
Good product, good shipping!
Item as described, followed thru with initially committed receive date - Thanks
T**R
A must for Allison 3000 and 4000 Transmission models
Very Good Trans Fluid. This product is recommended by Allison Automatic Transmissions. It provides excellent service life and smooth shifting. Also fluid change intervals are extended.
T**.
Allison recommended fluid
Just what my Allison calls for.
K**N
Liquid gold
I have a 2007 Fleetwood Discovery 40x. I wanted to service the transmission and this was the preferred fluid. Great buy delivered straight to my door
Trustpilot
2 months ago
5 days ago