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🛠️ Shift smarter, drive smoother — the fluid your ride deserves!
Idemitsu ATF Type H-Plus is a premium 5-quart transmission fluid specifically formulated for Honda and Acura vehicles requiring ATF Z-1 or DW-1. It features optimized viscosity for smooth shifting, advanced anti-wear additives for maximum gear protection, and excellent thermal and oxidation stability for extended fluid life. Trusted by automotive professionals and enthusiasts alike, it delivers superior clutch performance and fuel economy benefits compared to standard OEM fluids.





| ASIN | B07M8TD9RH |
| Best Sellers Rank | #9,385 in Automotive ( See Top 100 in Automotive ) #34 in Transmission Fluids |
| Brand | Idemitsu |
| Brand Name | Idemitsu |
| Container Type | Bottle |
| Customer Reviews | 4.8 out of 5 stars 878 Reviews |
| Global Trade Identification Number | 00852967006812 |
| Included Components | Idemitsu ATF H Plus |
| Item Form | Liquid |
| Item Type Name | ATF Transmission Fluid |
| Item Weight | 1.9 pounds |
| Liquid Volume | 5 quarts |
| Manufacturer | Idemitsu |
| Material | Polytetrafluoroethylene (PTFE) |
| Model Number | 30040090-95300C020 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Package Information | Bottle |
| Part Number | 30040090-95300C020 |
| Recommended Uses For Product | Use in Honda and Acura vehicles with ATF Z-1 or DW-1 fluid specifications |
| Specific Uses For Product | Honda vehicles, Acura vehicles |
| UPC | 852967006812 |
| Unit Count | 159.94 Fluid Ounces |
| Upper Temperature Rating | 258 °F |
| Viscosity | The viscosity of the Idemitsu ATF Type H-Plus is 5.800 cSt at 100°C and 49.0 40°C, as per provided external information. |
C**G
Good stuff and shifts great
Knowing is half the battle And it did and is doing just fine in my transmission in an 05 Honda CRV , Idemitsu is considered a premium, top-tier motor oil. It is one of the largest lubricant manufacturers in the world and serves as the primary factory-fill (OEM) oil supplier for many major Japanese automakers, including Honda, Mazda, Nissan, and Subaru
S**O
Trusted fluids
Perfect fluid for Acura TSX auto transmission. I trust Idemitsu more than universal trans fluid you can buy at local parts stores or Walmart.
M**K
Quality transmission fluid.
Kept my old car transmission running great.
E**Y
Great!
Excellent fluid for my honda, got an OEM filter off Amazon as well. Car shifts 100% better.
L**T
Great product
Great product and quick delivery!
J**B
Works great
I recently had the automatic transmission fluid changed in my 2007 Acura RDX, and I couldn’t be more pleased with the results! As a vehicle owner, I understand the importance of regular maintenance, and this fluid change was long overdue. First off, the process was smooth and straightforward. I took my RDX to a trusted mechanic who specializes in Honda and Acura vehicles. They used Idemitsu ATF Type-H Plus, which is specifically recommended for my model. I appreciated their attention to detail and the quality of the fluid they used, ensuring that my transmission would perform optimally. After the fluid change, I immediately noticed a difference in how my RDX shifted gears. The transitions are now smoother and more responsive, which makes for a much more enjoyable driving experience. The engine feels more powerful, and I can tell that the transmission is operating more efficiently. Additionally, I feel more confident knowing that I’ve taken a proactive step in maintaining my vehicle. Regular fluid changes can significantly extend the life of the transmission, and I’m glad to have done this before any potential issues arise. Overall, I highly recommend getting the transmission fluid changed if you haven’t done so recently. It’s a relatively simple maintenance task that can make a world of difference in performance. My 2007 Acura RDX feels revitalized, and I’m excited to hit the road with renewed confidence!
C**S
On the fence between DW1 and Idemitsu
Seemed to work fine for 25000 miles until lately where I'm getting some bump downshift from 3-2. I looked at the MSDS for both and the genuine honda fluid (made by Idemitsu) has a viscosity: @ 40C = 24.94 cSt; @ 100C = 6.84 cSt.(MSDS from 7/2014), and the Idemitsu H+ has a viscosity of: @ 40C = 34.88 cSt; @ 100C = 7.33 cSt.(MSDS from 8/2017). Some of the lower reviews are questioning longevity. My first couple of drain and fills (every 24k) were DW1 and I had no problems ever. It's now time for the next 24k change, and I'm sensing tiny weird behaviors in the trans in addition to the downshift bump.
D**.
Good fit
Just what I needed
A**E
Good Honda ATF replacement
Good replacement for Honda ATF. Did atf change on my civic and check engine went away
A**T
Used in a 2008 Honda Fit.
Seems great. The shame of it is if you change your transmission fluid at home and don’t have a flushing machine you have to waste some of this fluid during a 3 stage change process. No biggie. The old car shifts gear nicely and is good for another 100,000 kms.
J**U
Best replacement at a better price.
Seems to be the best replacement for Honda’s transmission fluid. I believe after my research, that they are a Japanese company, that is making the perfect bland, to match what Honda used for their transmission.
W**R
It works well
Works fine on a Honda Odyssey EX 2014
F**F
Parfait pour Civic 2012
J’ai utilisé pour mon Civic 2012, après un mois, toujours pas de problème. Le changement de vitesse est vraiment rendu en douceur. Satisfait à 100%.
Trustpilot
2 weeks ago
2 weeks ago