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Now includes OE-style locking tabs.
Thermostat for A4, A3 chassis cars and B4 and B5.5 Passat TDI. Includes the O-ring seal. You may also want to order the thermostat housing as these frequently break when removed.
I was thrilled that this thermostat has the OE style locking tabs. Don't try to replace this thermostat without those tabs or you risk leaks in the future!
Fit perfectly into the new housing.
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