Difference Between Early 2013, & Late 2013 Cam Phasers - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

hotrod1442 · 11-29-2025, 09:06 PM

The parts listing that I'm seeing is telling me that there is a different part # for a car built from 03/2012-08/2013, and one built 09/2013-04/2014?

For an example the RH intake Camshaft Phaser for an early production car (built between 03/2012-08/2013), was originally designated part #003-05177, which somewhere along the line was superceded by #003-00284,....then that part # has been replaced by #003-11391.

On the exhast side for the RH bank, the original Phaser was Part #003-05178, then superceded to #003-00285, and now has been replaced by #003-11392.

Just trying to wrap my head around what is going on with all the changes/revisions? Was there an inherant problem/issue with these things that have forced them to make changes to the phasers, or is it just a change in parts suppliers/Or?

NoHaveMSG · 11-30-2025, 01:38 AM

It shows it’s interchangeable between quite a few years. I only pulled 1 part number. I do find it odd the years 16’+ it skips, but then shows gen 2 fa24 car compatibility. I was under the impression based on what I know that it would just be 13-15’.

hotrod1442 · 11-30-2025, 02:53 AM

Quote:

Originally Posted by NoHaveMSG

It shows it’s interchangeable between quite a few years. I only pulled 1 part number. I do find it odd the years 16’+ it skips, but then shows gen 2 fa24 car compatibility. I was under the impression based on what I know that it would just be 13-15’.

I'm refering to the Cam Phasers, not the Oil Control Valves.

NoHaveMSG · 11-30-2025, 01:55 PM

Quote:

Originally Posted by hotrod1442

I'm refering to the Cam Phasers, not the Oil Control Valves.

Oh the cam gear, yeah same deal. Those are the same 13-16. I believe the only changes on the 17’+ is the reluctor plate for the cam sensor.

11-29-2025, 09:06 PM	#1
hotrod1442 Member Join Date: Nov 2020 Drives: 2013 FRS's (Hot Lava/GMetal Grey) Location: Canada Posts: 13 Thanks: 2 Thanked 3 Times in 2 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Difference Between Early 2013, & Late 2013 Cam Phasers The parts listing that I'm seeing is telling me that there is a different part # for a car built from 03/2012-08/2013, and one built 09/2013-04/2014? For an example the RH intake Camshaft Phaser for an early production car (built between 03/2012-08/2013), was originally designated part #003-05177, which somewhere along the line was superceded by #003-00284,....then that part # has been replaced by #003-11391. On the exhast side for the RH bank, the original Phaser was Part #003-05178, then superceded to #003-00285, and now has been replaced by #003-11392. Just trying to wrap my head around what is going on with all the changes/revisions? Was there an inherant problem/issue with these things that have forced them to make changes to the phasers, or is it just a change in parts suppliers/Or? Last edited by hotrod1442; 11-30-2025 at 03:51 PM.

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