The blocking device locks the gearbox shift mechanism so that a range cannot be engaged at the wrong moment. It is released pneumatically when the interlock conditions are met.

This category lists 6 Büyükdemir references cross-referenced against 12 original equipment numbers. The cross-reference tables cover Volvo, Renault and Wabco parts.

Most looked-up references in this group: Blocking Device 7-1230, Blocking Device 7-1228, Blocking Device 7-1233, Blocking Device 7-1232, Blocking Device 7-1231.

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

,

Blocking Device 7-1228

,

Blocking Device 7-1229

,

Blocking Device 7-1230

,

Blocking Device 7-1231

,

Blocking Device 7-1232

,

Blocking Device 7-1233