I am having trouble finding it reasonably priced transmission for my 2013 outback, so I have started looking at some of the other years. It seems like 2014 is the closest to my transmission. Yes, I know that they are all the same model transmission, but it looks like there were little differences from year-to-year. The dealer and some indy Subaru specialists even warned me about using the CVT transmission out of a different model year Ouback.
Curiosity got the better of me, and today was a slow workday. So I printed out all of the sheets of part numbers for the 2014 and 2013 transmissions. Tonight after dinner, I spent an hour going through each one line by line to find where the differences exist. Dear Lord, this transmission is really making me insane!
There are few differences worth noting, but most were rather minor.
Anyway, I wrote all this stuff down so that I would remember it, but I thought I would paste it up here in case it helps someone having the same problem. Here is what I found.
Chain/Pulley Set
RETAINER
Part Number: 31552AA140
This part is listed on all of the chain/pulley sets in transmissions after 2014. No Subaru CVT in 2013 has it.
https://parts.subaru.com/p/Subaru_2014_Outback-25L-CVT-Base/RETAINER/49241453/31552AA140.html
GEAR-REDUCTION DRIVE
Part Number: 31446AA650 (For MY 2013)
https://parts.subaru.com/p/Subaru_2...GEAR-REDUCTION-DRIVE/49241028/31446AA650.html
Part Number: 31446AA680 (For MY 2014)
https://parts.subaru.com/p/Subaru_2...GEAR-REDUCTION-DRIVE/49241030/31446AA680.html
PLATE-DISH
Part Number: 31668AA230
This part is listed on all of the chain/pulley sets in transmissions after 2014. No Subaru CVT in 2013 has it.
https://parts.subaru.com/p/Subaru_2014_Outback-25L-CVT-Base/PLATE-DISH/49241845/31668AA230.html
Transmission Case
COVER-TRANS CASE
Part Number: 32198AA040
The 2013 transmission lists two different insulation covers for the transmissions. This one is not listed on 2014. Apparently it got superseded by 32198AA081
https://parts.subaru.com/p/Subaru_2...ase/COVER-TRANS-CASE/49243153/32198AA081.html
Transmission Case Fittings
BOLT ASSEMBLY-SEAL
Part Number: 31325AA220
https://parts.subaru.com/p/Subaru_2...e/BOLT-ASSEMBLY-SEAL/49240651/31325AA220.html
This part was not on the 2013 transmissions. It’s a drain plug (fill plug?) on the top of the transmission case. In the previous year, they used 31325KA080.
AT Control Valve
STAY-TRANSMISSION HARNESS
Part Number: 24046AA260 (2012-2013)
24046AA290 ( 2013-2014)
This part looks like it is a mount for one of the transmission harness plugs. They changed the part between 2012-2014, and 2013 was the switchover year.
https://parts.subaru.com/p/Subaru_2...TRANSMISSION-HARNESS/49234129/24046AA260.html
https://parts.subaru.com/p/Subaru_2...TRANSMISSION-HARNESS/49234131/24046AA290.html
OIL STRAINER ASSEMBLY-TRANSMISSION
Part Number: 31728AA121 (2010-2013) or 31728AA141 (2013-2014)
These transmissions have two filters. This is the big flat one that sits inside the CVT oil pan. It looks like they used changed the filter during the 2013 model year.
https://parts.subaru.com/p/Subaru_2...SSEMBLY-TRANSMISSION/49242226/31728AA121.html
https://parts.subaru.com/p/Subaru_2...SSEMBLY-TRANSMISSION/49242228/31728AA141.html
Transmission Control Unit
UNIT-AT CONTROL
Part Number: 30919AC620 (2013)
30919AD440 (2014)
This is the computer for the transmission. In 2014, they changed it to part number 30919AD440. I am not sure if these are coded to the ECU, so I’m not sure this would be moved during a swap.
Curiosity got the better of me, and today was a slow workday. So I printed out all of the sheets of part numbers for the 2014 and 2013 transmissions. Tonight after dinner, I spent an hour going through each one line by line to find where the differences exist. Dear Lord, this transmission is really making me insane!
There are few differences worth noting, but most were rather minor.
Anyway, I wrote all this stuff down so that I would remember it, but I thought I would paste it up here in case it helps someone having the same problem. Here is what I found.
Chain/Pulley Set
RETAINER
Part Number: 31552AA140
This part is listed on all of the chain/pulley sets in transmissions after 2014. No Subaru CVT in 2013 has it.
https://parts.subaru.com/p/Subaru_2014_Outback-25L-CVT-Base/RETAINER/49241453/31552AA140.html
GEAR-REDUCTION DRIVE
Part Number: 31446AA650 (For MY 2013)
https://parts.subaru.com/p/Subaru_2...GEAR-REDUCTION-DRIVE/49241028/31446AA650.html
Part Number: 31446AA680 (For MY 2014)
https://parts.subaru.com/p/Subaru_2...GEAR-REDUCTION-DRIVE/49241030/31446AA680.html
PLATE-DISH
Part Number: 31668AA230
This part is listed on all of the chain/pulley sets in transmissions after 2014. No Subaru CVT in 2013 has it.
https://parts.subaru.com/p/Subaru_2014_Outback-25L-CVT-Base/PLATE-DISH/49241845/31668AA230.html
Transmission Case
COVER-TRANS CASE
Part Number: 32198AA040
The 2013 transmission lists two different insulation covers for the transmissions. This one is not listed on 2014. Apparently it got superseded by 32198AA081
https://parts.subaru.com/p/Subaru_2...ase/COVER-TRANS-CASE/49243153/32198AA081.html
Transmission Case Fittings
BOLT ASSEMBLY-SEAL
Part Number: 31325AA220
https://parts.subaru.com/p/Subaru_2...e/BOLT-ASSEMBLY-SEAL/49240651/31325AA220.html
This part was not on the 2013 transmissions. It’s a drain plug (fill plug?) on the top of the transmission case. In the previous year, they used 31325KA080.
AT Control Valve
STAY-TRANSMISSION HARNESS
Part Number: 24046AA260 (2012-2013)
24046AA290 ( 2013-2014)
This part looks like it is a mount for one of the transmission harness plugs. They changed the part between 2012-2014, and 2013 was the switchover year.
https://parts.subaru.com/p/Subaru_2...TRANSMISSION-HARNESS/49234129/24046AA260.html
https://parts.subaru.com/p/Subaru_2...TRANSMISSION-HARNESS/49234131/24046AA290.html
OIL STRAINER ASSEMBLY-TRANSMISSION
Part Number: 31728AA121 (2010-2013) or 31728AA141 (2013-2014)
These transmissions have two filters. This is the big flat one that sits inside the CVT oil pan. It looks like they used changed the filter during the 2013 model year.
https://parts.subaru.com/p/Subaru_2...SSEMBLY-TRANSMISSION/49242226/31728AA121.html
https://parts.subaru.com/p/Subaru_2...SSEMBLY-TRANSMISSION/49242228/31728AA141.html
Transmission Control Unit
UNIT-AT CONTROL
Part Number: 30919AC620 (2013)
30919AD440 (2014)
This is the computer for the transmission. In 2014, they changed it to part number 30919AD440. I am not sure if these are coded to the ECU, so I’m not sure this would be moved during a swap.