System Specifications

Ford Part Name
5R55S Motorcraft MERCON V ATF**
6R80 Motorcraft MERCON LV ATF*

Ford Part Number
5R55S XT-5-QM
6R80 XT-10-QLV

Ford Specification
5R55S MERCON V
6R80 MERCON LV

**Note: Use of a dual usage fluid in an automatic transmission requiring MERCON V may cause transmission damage. Use of any fluid other than the recommended fluid may cause transmission damage.

*Note: Use of a dual usage fluid in automatic transmission requiring MERCON LV may cause transmission damage. Use of any fluid other than the recommended fluid may cause transmision damage.