Well, since you asked, if you can't find it elsewhere I could sell you a Behr blower w/regulator for 350 plus shipping. That is 28 dollars less than MB list for the regulator alone.

I could also sell you an aftermarket regulator for 160. Or a real Behr one for 210.

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Steve Brotherton
Continental Imports
Gainesville FL
Bosch Master, ASE Master, L1
33 years MB technician