







⚙️ Drive Smooth, Stay Ahead – The Transmission Fluid Millennials Trust
Idemitsu ATF Type HK4 is a premium automatic transmission fluid designed specifically for Hyundai and Kia vehicles. It delivers precision frictional properties for smooth shifting, superior oxidation resistance for extended fluid life, and advanced anti-wear technology to protect gears and bearings. Its formulation also ensures excellent seal compatibility to prevent leaks, while maintaining transmission cleanliness by preventing sludge and varnish buildup.






| Brand | Idemitsu |
| Package Information | Bottle |
| Liquid Volume | 1 Quarts |
| Item Weight | 1.9 Pounds |
| Recommended Uses For Product | Transmission Fluid |
| Viscosity | 24.83 cs |
| Upper Temperature Rating | 203 Degrees Celsius |
| Flash Point | 203 Degrees Celsius |
| Specific Uses For Product | Automotive |
| Item Form | Oil |
| Global Trade Identification Number | 00852967006874 |
| Manufacturer | Idemitsu |
| Unit Count | 32.0 Fluid Ounces |
| UPC | 852967006874 |
| Number of Items | 1 |
| Model | ATF Type HK4 |
| Item Weight | 1.9 pounds |
| Product Dimensions | 4 x 3 x 9 inches |
| Item model number | 30040100-75000C020 |
| Manufacturer Part Number | 30040100-75000C020 |
A**I
Quality
good
M**R
Night and day difference
I used this on a 2012 kia. It was struggling to shift and you could feel the pull. Once I put this in it was back to smooth shifts with no pull. Worth the investment. Better than buying a new transmission like the (useless) mechanic wanted me to do.
J**N
Transmission fluid
Great product would recommend for anyone who own a Kia optima they also make other transmission oils for different car brands check them out good stuff
K**D
Automobile make specific fluid.
This is who makes the OEM fluid for the Asian car manufacturers at a fraction of the cost.
Trustpilot
3 days ago
1 week ago