parad1mg Posted April 4, 2015 Share Posted April 4, 2015 Hello all, I'm having a hard time finding the right Denso MAF part number for our 4th gen cars. The oem part number is 22680AA31A TN197400-2170 which retails around $150. There are several Denso MAF part numbers out there, here's the few that I found browsing several Subaru forums: 197-6020197-6130197-6040 To those that bought or replaced yours with a denso unit, which one from the three did you buy? If you have another part number that is not listed, please let me know. Thanks! Link to comment Share on other sites More sharing options...
parad1mg Posted April 5, 2015 Author Share Posted April 5, 2015 happy Easter bump. Link to comment Share on other sites More sharing options...
freaksavior Posted April 7, 2015 Share Posted April 7, 2015 im dumb. nevermind. I bought this one >> DENSO Oxygen Sensor #234-9120 qty:1 price per unit: $92.31 edit: which sensor location are you replacing? This was the main o2 on the downpipe iirc Link to comment Share on other sites More sharing options...
Whatisit Posted April 7, 2015 Share Posted April 7, 2015 I bought this one >> DENSO Oxygen Sensor #234-9120 qty:1 price per unit: $92.31 edit: which sensor location are you replacing? This was the main o2 on the downpipe iirc i think the op is looking for a mass air flow sensor. the one found by the air filter on the air intake Link to comment Share on other sites More sharing options...
travrach Posted April 8, 2015 Share Posted April 8, 2015 Check this Denso site vendor, not sure what year you have but they only show it for the 2008. Shows the 197-6130. Link to comment Share on other sites More sharing options...
parad1mg Posted April 10, 2015 Author Share Posted April 10, 2015 im dumb. nevermind. I bought this one >> DENSO Oxygen Sensor #234-9120 qty:1 price per unit: $92.31 edit: which sensor location are you replacing? This was the main o2 on the downpipe iirc lol.. i think the op is looking for a mass air flow sensor. the one found by the air filter on the air intake Bingo. MAF sensor =Mass Air Flow sensor Check this Denso site vendor, not sure what year you have but they only show it for the 2008. Shows the 197-6130. That's the first website that I looked at. They do not have any part number listings for 2005-07 models. I went ahead and bought the 197-6040. It looks similar and the connectors are the same as far as I can tell. Link to comment Share on other sites More sharing options...
KRM Posted April 11, 2015 Share Posted April 11, 2015 I'm replacing the maf in my gt and would like to know how this 197-6040 part turned out for you. in for updates Link to comment Share on other sites More sharing options...
wtdash Posted April 13, 2015 Share Posted April 13, 2015 I'd focus on the Subaru part number, not the MFG. (DENSO) part number: 22680AA31A And ONLY buy the DENSO - made part, which I've heard from a few tuners, too. But for reference (all models INCLUDES turbos): 22680AA31A 05-09 Legacy, all models except 08-09 2.5i 22680AA38A 08-09 Legacy 2.5i 22680AA310 02-07 Impreza, all models 22680AA380 08+ Impreza, all models And I'm willing to agree w/this POST on RomRaider about 1/2 way down. The 22680AA31A = 22680AA310. The only difference is the 'A' is USA built. TD Link to comment Share on other sites More sharing options...
zenfamily Posted June 2, 2015 Share Posted June 2, 2015 parad1mg, what was the verdict on the MAF? Link to comment Share on other sites More sharing options...
parad1mg Posted June 2, 2015 Author Share Posted June 2, 2015 parad1mg, what was the verdict on the MAF? 197-6040 works perfectly. Worked great on the base map when I fired up the engine after I rebuilt it and is still working flawlessly on the break-in map i am currently on. My tuner also likes it. He said that the air/fuel trims are dead on. Link to comment Share on other sites More sharing options...
zenfamily Posted June 3, 2015 Share Posted June 3, 2015 197-6040 works perfectly. Worked great on the base map when I fired up the engine after I rebuilt it and is still working flawlessly on the break-in map i am currently on. My tuner also likes it. He said that the air/fuel trims are dead on. Thanks. I'll be ordering mine shortly. Link to comment Share on other sites More sharing options...
Subieaction Posted June 4, 2015 Share Posted June 4, 2015 Where are you guys ordering your MAF sensor from? I looked on Amazon but for some reason it says that it doesnt fit. The price is $116.17 Link to comment Share on other sites More sharing options...
parad1mg Posted June 4, 2015 Author Share Posted June 4, 2015 Got mine from Amazon, they had it for under $100 shipped when I bought it. It also said that it does not fit my vehicle but, I went ahead and bought it anyway Link to comment Share on other sites More sharing options...
Subieaction Posted June 5, 2015 Share Posted June 5, 2015 Got mine from Amazon, they had it for under $100 shipped when I bought it. It also said that it does not fit my vehicle but, I went ahead and bought it anyway Did it fit? And did it throw any codes? Looking to purchase a new one, but the Stearlship quoted me 350 for a new MAF sensor. Link to comment Share on other sites More sharing options...
parad1mg Posted June 6, 2015 Author Share Posted June 6, 2015 Did it fit? And did it throw any codes? Looking to purchase a new one, but the Stearlship quoted me 350 for a new MAF sensor. See post #10. Link to comment Share on other sites More sharing options...
Subieaction Posted June 6, 2015 Share Posted June 6, 2015 Oops haha ordering mine today Link to comment Share on other sites More sharing options...
parad1mg Posted June 6, 2015 Author Share Posted June 6, 2015 Oops haha ordering mine today NP. Hope it works well for your car too. Link to comment Share on other sites More sharing options...
zenfamily Posted June 9, 2015 Share Posted June 9, 2015 I cross referenced 197-6040 and found that it is part number 22680AA310 (Forester XT). Link to comment Share on other sites More sharing options...
Phillip J. Fry Posted July 2, 2015 Share Posted July 2, 2015 got mine in today. took a 2 mile drive around the town. feels a little more peppy. lighter on its feet. more effortless. also, i hear a lot more natural "woosh" going on. curious how much air was or was not being properly metered. will report back after a week or so. should def be a routine maint item. out of curiosity...if i got tuned on a less than optimal maf do i need a retune? Link to comment Share on other sites More sharing options...
parad1mg Posted July 2, 2015 Author Share Posted July 2, 2015 got mine in today. took a 2 mile drive around the town. feels a little more peppy. lighter on its feet. more effortless. also, i hear a lot more natural "woosh" going on. curious how much air was or was not being properly metered. will report back after a week or so. should def be a routine maint item. out of curiosity...if i got tuned on a less than optimal maf do i need a retune? I would get it retuned. I had my stage 2 retuned when I changed my MAF and the car definitely responded better. Link to comment Share on other sites More sharing options...
Phillip J. Fry Posted July 2, 2015 Share Posted July 2, 2015 I would get it retuned. I had my stage 2 retuned when I changed my MAF and the car definitely responded better. haha. needing and doing is 2 different things. im not sure what a follow up tune would cost but the original was 450. i needed an exhaust was my problem but i wasnt and still not going to spend 800-1000 for 10hp. think my car was maxed out with what i have. they kept boost lower at 17psi and pulled 285ftlb. with that said im more worried about things not lining up right and having other strange issues. the ecu seems to keep adjusting but at what point does it find a comfort level? will be taking it out soon for a trip to the dealer. will post back how the maf has changed anything. well, if it has anyways outside of what i have already posted. Link to comment Share on other sites More sharing options...
Phillip J. Fry Posted July 4, 2015 Share Posted July 4, 2015 havent driven enough to say for certain. i do hear the "woosh" on the passenger side a bit more than before. the engine isnt so eager to over rev as much. seems to be grabbing the gear better as a punch it from 4-5 while doing 25. less hesitation to do so. theory to a possible misfire...engine pulls in air but its not 100% metered. then the spark hits and expects a ceretain amount of air but is actually more. i dont know this really as i deal with electronics not vehicle things. Link to comment Share on other sites More sharing options...
ivonr Posted March 19, 2016 Share Posted March 19, 2016 Can anyone provide a link to where I can purchase P/N 22680AA31A ? I bought Denso P/N 197-6040 and everything looks good except my A/F learning 1 A is at +8% to +14%. Have verified no vacuum leaks, fueling issues or O2 sensor issues Can't find this part anywhere other than Subaru, who wants $190 for it...yikes Link to comment Share on other sites More sharing options...
WahooNo2 Posted March 20, 2016 Share Posted March 20, 2016 http://www.subarupartsforyou.com/22680aa31a-mass-air-flow-meter.html [ame=http://www.amazon.com/Denso-197-6040-Mass-Flow-Sensor/dp/B007WMG8A0/ref=sr_1_1?ie=UTF8&qid=1458445282&sr=8-1&keywords=22680AA31A]http://www.amazon.com/Denso-197-6040-Mass-Flow-Sensor/dp/B007WMG8A0/ref=sr_1_1?ie=UTF8&qid=1458445282&sr=8-1&keywords=22680AA31A[/ame] https://www.autopartskart.com/mazda-3-2012/mass-air-flow-sensor.html?partno=np1976040&utm_source=google&utm_medium=shopping&utm_campaign=mazda&prodid=80243520125128np1976040&gclid=CjwKEAjw8bO3BRDp0bP_vL-7_lASJACL_d6wqzAI9FEhoxuA5qFLB5n4FV2OZe8XjIWtowftBKaygRoCepvw_wcB https://www.autopartskart.com/subaru-legacy-2008/mass-air-flow-sensor.html Link to comment Share on other sites More sharing options...
sleepercell Posted April 6, 2016 Share Posted April 6, 2016 I need a new maf sensor for a 07 lgt 2.5l w turbo. Can anyone help me out w a model # or a website I can find one cheaper then $280 which the subaru dealership quoted me. Maf sensor in the car now is a denso tn 197400 2170 model # Link to comment Share on other sites More sharing options...
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