Nissan RE4F04B Automatic Transmission

The Nissan RE4FO4B is a front wheel drive four speed automatic transmission. This unit was used in:
- Nissan; Altima, Maxima, Sentra, Quest, X-Trail
- Infiniti; I30, I35
- Mercury; Villager

Depending on the manufacture and other specifications the unit is also known as the RE4F04A and 4F20E by Ford.

The sift kit or valve body kit is a hot item for this unit. Below is a picture of it. The rebuild kits, filter and other parts are also available.