OEM Mahle-Behr Transmission Cooler Thermostat - E53 X5

Located near the bottom of the expansion tank, this thermostat controls the flow of coolant through the transmission cooler, cooling your transmission fluid as transmission fluid circulates as well. If this fails, you may be shortening the life of your transmission through hard use.
T#: 378158 | Part#: 17107559966
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80.99 $80.99
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Ships on Jun 22, 2026
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Transmission Cooler Thermostat

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OEM Mahle-Behr Transmission Cooler Thermostat - E53 X5
$80.99

Cross Reference
  • TO482 Mahle
  • TO482