Need to replace the Secondary Air Pump on my 2004 Crossfire. I've checked and changed out the RCM relay, checked fuses, checked solder joints, check valve, checked lines, etc. etc and haven't been able to permanently stop the check engine light (P0410) light from coming on.

Looks like prices are all over the map and was wondering if any Crossfire owners could provide some guidance on getting the best deal. I'm in Canada and have seen prices range from ~$1500 to $600 from local sources to ~$300 to $500 online (Amazon, ebay etc.) Thanks

 

$172.50 US + shipping on Amazon :

$117.94 + free shipping ( maybe not to Canada ) on fleaBay :
Secondary Emission Control Smog Air Pump fits for Mercedes Benz 0001403785 | eBay

tons listed in Canada all the way down to $54.99 Canadian on car-part.com ( look under 2004 Mercedes SLK, then choose 'air pump', then SLK320 )

 

alaxfire, excellent - thanks!

 

Do you know there is something wrong with it, and what are the symptoms beside a CEL?
They can be rebuilt if you are a little handy with tools.

 

onehundred80, the pump is performing in an erratic manner. On cold start up it runs most of the time but other times it doesn't run which leads me to think there is some sort of issue with the brushes or some other component inside the motor.

Based on the recommendation from alaxfire I was able to find a new replacement pump at a great price and opted to get it. I do intend to disassemble the old unit to see what exactly is going on inside. If it's repairable I'll repair it and have it available as a backup or sell it to someone in need.

Based on your experience what have you seen that causes these pumps to fail? Thanks

 

The brushes get burnt up and/or stick in the holders.