Review on 🚙 Mobil 1 55221 3309 Automatic Transmission Fluid - 1 Quart (Pack of 12): High-Performance ATF Solution for Optimal Transmission Performance by Cody Henry

Mobil One 3309 gear oil has proven itself. 2016 Ram 5500 6.7 Cummins rollback tow truck with Aisin transmission. leg in general. configured and removed. I changed the transmission oil and filter first after purchase, it has been used 135,000 miles and has now done 260,000 with no transmission or engine problems. I made sure to change the fluid every 30,000 miles and the filter every 60,000 miles and changed the engine oil for 50% of the remaining life with a Rotella T-5 and a Wix filter. PREVENTATIVE MAINTENANCE IS LONG-TERM COMPLIANT WITH RAM'S