Instruction: Answer the given question by extracting information from the supporting document.

Input:
Question: Can i use this to install a after market single din kenwood head unit in my 2008 mazda 3 hatchback?
Document: What more can I say, it was simple and straight forward to install in my Mazda 3 with my Kenwood stereo.
I had to buy this because the aftermarket head unit I bought (Kenwood KDC-352U) was supposed to fit, but apparently only fits the premium Bose system, and I couldn't find the right harness in stores. The wires were pre-cut for stripping so all I needed were some crimp connectors and some time. Works great!
Made the install of my new head unit go smoothly and gives the option to disconnect and replace the stock unit if I decide to do that. No complaints.
This radio wiring harness worked perfectly for replacing the head unit in my 2001 Mazda Miata. I recommend this product.
Worked perfectly for an '02 Protege. Connect harness to factory mazda clip and connect the corresponding colored wires from your head unit. Its that simple.
Used the Metra 7903 to install a Kenwood stereo in my wife's 2003 Mazda Miata. It makes the install very easy especially if you don't do it everyday. Worked like a charm.
If you're replacing the factory stereo in a Mazda 3 (should work with 2004 to 2009 I think) this is the right item to buy. Pair it with a PAC SWI-PS to make the factory steering wheel buttons work, a Pioneer AVIC nav and aMazda 3 Install Kitor something similar and you've got a great setup. I pulled the unused power antenna control wires and used them to interface with the PAC SWI-PS.
Worked for a Pioneer single din replacement for the factory player. Wiring labels were on the bag, but I made sure and matched everything up online as well. Everything seemed accurate and it worked the way it was supposed to.
Perfect product unless:You are installing an after-market steering wheel control kit (Axxess ASWC-1 in my case) and want to keep any changes to the after-market side of the install. I had to tap into the car side because the 2 pins I needed were missing. Everything else was good except I ended up with a wire that was listed as 'illumation' on the Metra harness and as 'Dimmer' on the after-market stereo harness.
This is just what i needed for my new Kenwood KDC-152 install. I went all out and soldered the wires together and used shrink tubing. Very happy with my purchase.
Answer: Yes, the adapter works just great.  It covers a wide range of Mazda models that all used the same wiring harness.