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Kombi Valve-Secondary Air Pump 1997-2000
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Kombi Valve - Secondary Air Pump 1997-2000

aka Secondary Air Pump Check Valve or Diverter Valve

A faulty Kombi / check valve will cause the Secondary Air Pump to fail, by allowing hot exhaust gasses to enter the pump.  The gasses contain water vapor, which will condense and eventually corrode the pump internally.
Part Number:  021 131 101A
Dealer List  $516.67
Europarts Price:
Savings:$276.76 (54%)
Detailed Description
Eurovan 1997-2000
Rialta 1997-2000

Failure of this one-way check valve allows exhaust gases to enter the Secondary Air Pump
The water vapor found in exhaust gases will quickly corrode and destroy the secondary air pump.

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