what the diferent model 40420 to 40402???
360533
the 40420 is a tuner/chip (changes timing, air-to-fuel ratio, and such) and monitor for diesel trucks (see list to make sure it works with yours), the 40402 is just a monitor w/no performance enhancers
690849
I don't know.....you may have to look up on their web site. Ours was BL 12650H which seems like a really different #. There are so many models! Sorry if this is not helpful.
680135
I do not know. I used it to replace the obsolete # 1276. I determined that it was a good substitute by visiting the Kidde website
18914
No, look for 77070045 or 77070045AB, that should be the correct one, but double the application. Hope this helps!
1965752
Dear Customer, Based on the model number provided 253.68882013. The correct part number needed is 241809402. Thank you and Best regards.
1010856
The Amazon listing shows "Model: SWM16R0-03. The unit I received from Amazon in October was a SWM16R1-03. FWIW, there is no functional difference.
502486
I am sorry I don't know I just found the one that was for my model number and it worked. Sorry I couldn't help u.
1244284
I just ordered two the other day.... received them and both are the old model with version #: H22962-102. They have a date of manufacture of 23Jul2014 !!!! What the????
54987
its a realy cheap model mine bricked within a month... i tried to rma and its not as easy as most sites these days good luck
2234524
I do not know. I threw the box away and no model number is in the instructions.
1160228
Mine say MW600 11w28 and beside chinesse letters 1233-4432.4Now i am curious ...what is the difference?
1130538
Replaces 7163-2593, 7163-9678, 663, 668, 763, 768, 661 I can't even find a listing for a 7163-9676, Sorry
1653372
I can't speak to the 21006931, but I replaced a 1276 model in my housewith a Kidde FireX Item 21006376 (also identified as Model i12060), andit was both physically and electrically compatible with the original 1276,and has been operating fine since it was installed. You can also call Kiddeif you have any questions. I did to ask about compatibility and they werequite helpful.
751607
I found this on amazon website: ASIN: B001TOD7MO Item model number: SL1233 Hope that this helps.
424507
Currently away from home,so am not able to check my model number against yours. Sorry I could not help!
1531135
There is not a model number anywhere. I sent an email to the seller... As soon as I get the the answer I'll email it to you!.
1629869
not the model that I got or the replacement that followed. It had no external ports that I could see.