Relay for power lock systems (central locking relay) for Volvo. Goes by several part numbers, but all of these are 1348129 or 3523739. If you have preference for a part number let me know in a message.
Fits:

Volvo 740 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992

Volvo 760 1985, 1986, 1987

Volvo 780 1989, 1990

Volvo 780 2.3l Fuel Injected Turbo 1991

Volvo 780 2.8l Fuel Injected 1987, 1988 Volvo 940 1991, 1992, 1993, 1994, 1995