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⚙️ Shift Smooth, Drive Confident: The Fluid That Keeps You Ahead
ATF Dexron III/Mercon Automatic Transmission Fluid 1 Quart by ULTRA 1PLUS is a premium, multi-vehicle compatible fluid designed to meet or exceed GM Dexron III and Ford Mercon standards. It ensures smooth shifting, protects against oxidation and sludge buildup, and delivers reliable all-weather performance, making it an essential upgrade for pre-2006 automatic transmissions and power steering systems.




| ASIN | B0881WWM5L |
| Best Sellers Rank | #11,355 in Automotive ( See Top 100 in Automotive ) #41 in Transmission Fluids |
| Brand | ULTRA 1PLUS |
| Brand Name | ULTRA 1PLUS |
| Container Type | Bottle |
| Customer Reviews | 4.7 out of 5 stars 199 Reviews |
| Included Components | Transmission Fluid |
| Item Form | Oil |
| Item Type Name | Transmission Fluid |
| Liquid Volume | 1 liters |
| Manufacturer | Ultrachem LLC |
| Model Number | UCDIIIMMPL |
| Number of Items | 1 |
| Package Information | Bottle |
| Part Number | UCDIIIMMP |
| Specific Uses For Product | Automatic transmissions |
| UPC | 810050653428 |
| Unit Count | 33.8 Fluid Ounces |
| Warranty Description | 1 year |
W**L
Good quality
Good fluid, worked great
B**A
Boat worthy
Great price and good stuff. Bought it for my boat.
R**H
Was the right product!
It arrived on time just what I wanted
G**H
Quick
As advertised
T**L
Great stuff
Arrived on time and works great
D**R
Great quality and price
I bought 10 gallons to do a transmission service on my Allison MH4000 transmission. I couldn’t see spending the money on the Allison fully synthetic fluid to only end up mixing it with the Dexron 3 in my transmission. It’s been 5000 miles and transmission performed flawless.
P**.
Highly recommended Toyota power steering fluid
Exactly what's recommended for my power steering reservoir in my 2003 Toyota Tacoma (and many other Asian vehicles, see directions online). Flushing the old fluid is recommended, not difficult if you have modest mechanical ability. Check out a few online videos if you need to.
R**O
Transmission Fluid
I recently rebuilt the valve bodies and accumulator valve on my 1993 ford E250 van with a E4OD transmission. This particular year E4OD Transmission requires ATF Dexron III/Mercon Automatic Transmission Fluid. A must have for these older year transmissions. Mercon 5 and Mercon ULV can cause transmission problems.
Trustpilot
1 week ago
2 weeks ago