1996-2010
4R70W
4-speed Mercon V. Classic Mustang rebuild. Forward drum / reverse clutch high-failure items.
Shop 4R70W Parts2011-2017 (GT, V6)
6R80
6R80 6-speed. Mercon LV. TCC shudder common - replace solenoid + use correct fluid.
Shop 6R80 Parts2018-present
10R80
10R80 10-speed. Mercon ULV only. Adaptive reset often resolves bump complaints.
Shop 10R80 PartsMustang customers care about doing it right - source Sonnax bore-fix kits + OEM-spec friction for the clean rebuild they expect.