Relay valves shorten the time a brake takes to apply on a long vehicle. Instead of filling the rear brake chambers down the whole length of the line, the valve takes a signal from the brake valve and feeds the chambers from a reservoir close by.

This category lists 7 Büyükdemir references cross-referenced against 33 original equipment numbers. The cross-reference tables cover Volvo parts.

Most looked-up references in this group: Relay valve / Relaisventil 4-6010, Relay Valve 4-6020, Relay Valve 4-6040, Relay Valve, gearbox 1-1105, Relay Valve, gearbox 1-1104.

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

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Relay valve / Relaisventil 4-6010

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Relay Valve 4-6020

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Relay Valve 4-6030

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Relay Valve 4-6040

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Relay Valve, gearbox 1-1104

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Relay Valve, gearbox 1-1105

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Relay Valve, gearbox 1-1106