The hand pump primes the fuel system and bleeds air out of the lines by hand. It is worked until fuel free of bubbles reaches the injection pump, which is what allows the engine to start after a filter change or after running dry.

This category lists 20 Büyükdemir references cross-referenced against 86 original equipment numbers. The cross-reference tables cover DAF, Iveco, Scania, Renault, Volvo and MAN parts. Type is listed in 9 versions.

Most looked-up references in this group: Handprimer / Handpumpe 2-2050, Handprimer / Handpumpe 2-2054, Handprimer / Handpumpe 2-2030, Handprimer / Handpumpe 2-2010, Hand Pump / Handpumpe 2-2073.

Manufactured by Büyükdemir Otomotiv in Istanbul, a producer of truck and trailer air system parts since 1957.