[Homeoboxter]

Originally Posted by pilot4fn

Could you post the MB part numbers (check valve and change over valve) you used instead of Porsche? I'm lookin to swap these parts during next winter.

Sure, here are the ebay links:

https://www.ebay.com/itm/Mercedes-R107-W124-W126-R129-W140-W201-Air-Injection-Valve-MTC-000-140-77-60/271827041358?ssPageName=STRK%3AMEBIDX%3AIT&_trksid =p2057872.m2749.l2649

https://www.ebay.com/itm/Air-Pump-Check-Valve-MTC-Secondary-Air-Injection-Pump-Check-Valve-WD-Express/114024716057?ssPageName=STRK%3AMEBIDX%3AIT&_trksid =p2057872.m2749.l2649

I found another one, which seems to be the same exact part Porsche uses, FYI:

https://www.ebay.com/itm/Mercedes-R107-W124-W126-R129-W140-W201-Air-Injection-Valve-Shut-off-Valve/370820859705?fits=Make%3AMercedes-Benz&epid=1911251163&hash=item5656a54739:g:8mUAAOS wgv5ZVnyW