Transmission for 1999.5-2003 7.3L Powerstroke

Ford’s 7.3 Powerstroke automatic transmission featured significant improvements over the E4OD transmission it replaced. Designed by Ford, the four-speed 4R100 had a 1,000 pounds-feet capacity. However, problems can arise from increased torque loads. The transmission can have issues with slipping, leakage, and hard shifting. +Read more

A slipping transmission while changing gears is commonly caused because of a defective solenoid, a blown fuse, or a misaligned transmission range sensor. Additionally, the 4R100 can leak from the front area of the transmission. Both the front seal and the 7.3 Powerstroke torque converter hub can wear out over time, causing fluids to seep out. If either issue is neglected, the transmission may require replacement.

ProSource Diesel’s wide selection of 7.3 liter Powerstroke transmission parts includes everything you need for an upgrade or replacement.

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