The 4R75W transmission is an improved version of the popular 4R70W design. The 4R75W was first introduced in 2003 and is known to be a stronger transmission with the most notable updates to the torque converter, fluid pump, and ring gear. The 4R75W transmission's additional strength allows it to pair nicely with the Ford 4.6L V8 and the 5.4L V8 engines. The 4R75W is featured in the Mustange GT along with several other Ford SUVs and vans. Raybestos Powertrain offers a wide variety of OE replacement and enhanced material 4R75W friction clutch packs to increase performance and towing capacity. See more product details below.