Rigid and flexible lines that carry oil, air and grease around a commercial vehicle: oil feed pipes for the compressor, lubrication hoses for the clutch release bearing, air vent pipes for the crankcase, and the elbows and adaptor valves that connect them. Lines are ordered by length, end thread and hand, as left and right versions run to opposite sides of the engine.

This category lists 13 Büyükdemir references cross-referenced against 18 original equipment numbers. The cross-reference tables cover Volvo parts. Length runs from 170 mm to 235 mm across 7 versions.

Most looked-up references in this group: Oil Feed Pipes 2-2092, Oil Feed Pipes 2-2095, Oil Feed Pipes 2-2094, Oil Feed Pipes 2-2093, Lubrication Hose For Clutch Release Bearing 5-5602.

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