The OE compressor assembly on all Suzis is Nippon Denso or atleast for JDM versions. Latter might have Sanded units although all after market conversions ARE Sanden. Depends on the budget really. If you can afford it go for a new system, if you already have one installed, look around for a second hand compressor & dryer bottle and if the heat-exchanger(condensor) has seen better days, have that replaced too.