ZF 4HP18 transmission

The 4HP18 is a 4-speed automatic transmission for passenger cars from ZF Friedrichshafen AG. Introduced in 1987 and produced through 1998, it was used in a variety of cars from Alfa Romeo, Audi, Citroën, Dodge, Eagle, Fiat, Lancia, and Saab. On the Citroën XM it had a very poor reputation for reliability.

Applications:
* 4HP18FL (front wheel drive longitudinal engine)
** 1988–1992 Renault 25 V6 2.8L
** 1988–1992 Eagle Premier/Dodge Monaco V6 3.0L
* 4HP18FLA (all wheel drive longitudinal engine, Audi version)
** 1992–1994 Audi 100 CSQ V6 2.8L
** 1995–1998 Audi A6 2.8Q V6 2.8L
* 4HP18FLE (longitudinal engine)
** 1991–1994 Porsche 968 4 Cyl 3.0L
** 1992–1993 Audi 100 V6 2.8L
** 1992–1994 Audi 100 CS V6 2.8L
** 1992–1994 Audi 100 S V6 2.8L
** 1995–1998 Audi A6 2.8 V6 2.8L
* 4HP18Q (front wheel drive transverse engine)
** 1987–1989 Fiat 2000 2.0L
** 1987–1989 Fiat 2500 2.5L
** 1987–1990 Saab 9000 2 2.0L
** 1989–1993 Alfa Romeo 164 V6 3.0L
** 1989–1998 Citroën XM 2 2.0L
** 1989–1998 Citroën XM 3 3.0L
** 1989–1994 Fiat Croma 2.0L
** 1989–1996 Lancia Thema 2.0L
** 1989–1996 Lancia Thema V6 3.0L
** 1989–1999 Peugeot 605 2 2.0L
** 1989–1999 Peugeot 605 3 V6 3.0L
** 1991–1998 Saab 9000 2.6 2.3L
** 1995–1998 Saab 9000 3 V6 3.0L
* 4HP18QE (front wheel drive transverse engine)
** 1993–1997 Alfa Romeo 164 V6 3.0L
** 1993–1998 Lancia Thema V6 3.0L

References

*

ee also

* List of ZF transmissions