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I retrofit one in my 2004 Cayenne S with all OEM parts. About $1900CAD in parts and $5000CAD Labor. Works amazingly well, extremely happy with it. I think the OP was looking for a remote, I’m in Canada but was able to purchase from my local dealer. Not cheap $375CAD, I purchased and did the work in 2020.
Hope this helps.
It would be great if you could post a parts list or invoice that includes all the necessary components. I suspect there a few here who would consider the same path that you have taken.
To further the Webasto Parking heater information:
I had a problem when it would fire but not stay working. The dealer (bless their heart) diagnosed (incorrectly) that the problem was with the fuel pump. They could not get one. I ordered on and had it in a matter of a week or so (thanks Speedtoys). Could get one all day long on eBay for $30 but it was specialized one for Porsche (with it's own Webasto part number) is $550. After talking to another member not in the US (thanks Schocki) I ordered a water pump and new connecting hoses (why not) from Roger. Stock pump for a webasto is about $45. Porsche pump is $350. Difference? Bottom hose comes out at a 5 degree different angle.
Mine now functions correctly. I didn't need the fuel pump after all but figured it was 15 years old at the time so might as well replace it and have a shiny new one. That cost me $450 at the local Porsche dealer in labor and diagnosis time (they did give me a loaner car three times for a total of 9 days so all in all it was a good deal)
Fuel pump part number is :955 572 820 01 webasto fuel pump box
955 572 820 01 webasto heater fuel pump
It also should have the hose, clamp and retaining ring replaced
955 572 821 00 for the ring
n-101-981-01 clamp
955 572 513 00 hose
The circulation pump goes inside the driver side (Left) fender well. You would need to remove the front fender to get the entire assembly out. But you only need to take the fender liner out to replace the two hoses, an electrical connector and 1 torx 20 screw out to get the circulation pump out.
The circulation pump sits right below the heater
The pump originally had a pigtail that plugged into the wiring harness. My new one had just a female receptacle that the harness plugged into. No wiring change needed.
The new pump (no pic) has a receptacle right where the pigtail in this photo enters the top of the motor. Old webasto heater pump
Here's the box it came in.
After I was all said and done, heater warms car and engine just as it should. Great option that hardly any Cayenne models had as an option. Shame too, they all should have one, it might have helped those in cold climates avoid bore scoring. Who knows.
It would be nice to have the ROW wireless remote control. Trying to figure that out now by looking at wiring harness differences.
Please could you tell me where is thé fuel pump? My piwis said incorrect and.my heater shut off sometimes. Thé water pump was changer
thank you
Hi. Sorry for the late reply. Didn't see this. The fuel pump is located above the rear drive shaft. about in the middle (measuring from front to back of the driveshaft length). Looks like the first picture (small silver pump) in my write up.
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