Mazda 6 (V6 3.0L, 3.6L), CX7 (L4 2.3L), CX9 (V6 3.5L, 3.7L), MPV (2.2L, 2.3L).

Hyundai Veracruz (3.0L, 3.5L, 3.8L).

Volvo S60 (2.5L), S70, XC70, S80 (3.2L, 4.4L), S90, XC90 (3.2L, 4.4L), V70 (2.5L), XC60 (3.0TC).

Opel Vectra, Zafira.

Peugeot 307 (1.4L, 1.6L, 2.0L), 407, 607 (2.7L).

Renault Vel Satis (V6 3.0L), Espace IV, Avantime (3.0L).

Saab 9'3 (2.8L Turbo).

Land Rover Freelander (L6 3.2L).

Citroen C4 (1.4L, 1.6L, 2.0L), C5 (1.6L, 1.7L, 2.0L, 2.2L, 2.9L), C6 (2.2L, 2.7L, 3.0L).

Fiat Chroma (1.8L, 1.9L, 2.2L, 2.4L).

Ford Fusion (V6 3.0L, 3.5L), Mondeo (2.0L, 2.3L), Galaxy (2.0L, 2.3L), S-MAX (2.0L, 2.3L). 

AW TF-80SC, AW TF-81SC transmission K1 piston works on C1 drum, which creates 1-2-3-4 gears.Piston damage can cause poor-quality gear changes while speeding up from 6 to 4 gear.