Air couplings join the compressed-air brake lines of a tractor unit to its trailer and seal those lines the moment the vehicles are parted. The range runs from the standard coupling head through automatic-shutter and line-filter versions to palm (cuna) and duomatic couplings, plus the caps, seals and repair kits that go with them. Cap colour follows the usual convention: yellow for the control line, red for the supply line.

Air Couplings & Accessories is grouped into 8 sub-categories:

This category lists 141 Büyükdemir references.

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

Air coupling cap — black 5-2062

Air Coupling Cap (Red) 5-2061

Air Coupling Cap (Yellow) 5-2060

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Air Coupling Std. with Line Filter 5-2514

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Air Coupling Std. with Line Filter 5-2515

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Air Coupling Std. with Line Filter 5-2516

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Air Coupling Std. with Line Filter 5-2517

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Air Coupling Std. with Line Filter 5-2518