1999-2003 F250 & F350 7.3L Powerstroke Complete Transmissions

Your 7.3L Super Duty may be a legendary truck, but it has been on the road for more than a little while with its stock 4R100 transmission has probably seen better days, especially if you're rocking some extra horsepower and torque. Tier One's built transmissions for 1999-2003 F250 & F350 7.3L Powerstroke trucks can help you get your 7.3L Super Duty build back on the road and holding a whole bunch more horsepower and torque than the factory 4R100 was remotely capable of handling. These built 7.3L Powerstroke transmissions come with a ton of reliability and power-holding upgrades that allow you to add powerful tuning, big turbos, oversized injectors, and exhaust upgrades onto your 7.3L Powerstroke without needing to worry about your transmission letting you down. We have everything from stock-replacement transmissions that can handle towing at factory power levels to all-out 7.3L Powerstroke competition transmissions that can hold over 1000 horsepower and handle tough track use. Make sure you also check out our 1999-2003 F250 & F350 7.3L Transmission Coolers or our 1999-2003 F250 & F350 7.3L Tuners!