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Modulator Allison AT540

75 of 153
Transmission model:
Part type:
$46.00 - $205.00

Description

To shift gears in a proper manner, the automatic gearbox should be provided with the information on current engine load. Some vehicles are equipped with a vacuum modulator which provides pressure to the throttle plate. The modulator monitors the manifold pressure, which grows when the engine is subjected to high loads

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