Member Since: 03 Mar 2019
Location: Tasmania
Posts: 150
Air suspension compressor - identify Hitachi or Dunlop brand
MY12 D4 TDV6 has the C1A20-64 error code. I'm intending to try a Master Rebuild kit <https> through the Air Suspension Compressor but am uncertain on how to identify if the compressor is an original Hitachi or replacement Dunlop unit? They seem to look the same?
The rebuild kits are not compatible between the two brands.Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 Lion 2.7L TDV6
Dads - MY98 LJ Discovery ES 3.9L V8
11th Feb 2023 6:52 am
Flatlander
Member Since: 20 Jul 2015
Location: Here
Posts: 575
...
Last edited by Flatlander on 21st Feb 2023 11:04 pm. Edited 1 time in total
11th Feb 2023 8:35 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13672
Hi
There should be a label on the compressor , found some pictures of all 3 x types which I hope is useful to u , D4’s I believe changed to AMK
If ur still unsure if u wouldn’t mind taking some pictures plse we can then double check for u
Hope that helps
Hitachi
Last edited by gstuart on 11th Feb 2023 8:42 am. Edited 2 times in total
11th Feb 2023 8:40 am
garrycol
Member Since: 06 Dec 2010
Location: Canberra
Posts: 1115
You should have neither compressor - in a 2012 you should have an AMK.
11th Feb 2023 8:41 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13672
Flatlander wrote:
Does it have 'Hitachi' stamped into the black plate on the bottom of the compressor block?
This is clearly a Dunlop, if it were a Hitachi, this is the plate that would be stamped.
Beat me to it, lol
11th Feb 2023 8:42 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 13672
garrycol wrote:
You should have neither compressor - in a 2012 you should have an AMK.
Hi mate
That’s what I also thought of them changing to the AMK’s on the D4 , but also read that some early D4 still had hitachi
11th Feb 2023 8:44 am
garrycol
Member Since: 06 Dec 2010
Location: Canberra
Posts: 1115
You are correct but a 2012 is not early.
11th Feb 2023 10:11 am
twr7cx
Member Since: 03 Mar 2019
Location: Tasmania
Posts: 150
Flatlander wrote:
Does it have 'Hitachi' stamped into the black plate on the bottom of the compressor block?
This is clearly a Dunlop, if it were a Hitachi, this is the plate that would be stamped.
Perfect answer, thank you. This will enable me to identify between the two!
gstuart wrote:
Hi
There should be a label on the compressor , found some pictures of all 3 x types which I hope is useful to u , D4’s I believe changed to AMK
If ur still unsure if u wouldn’t mind taking some pictures plse we can then double check for u
Hope that helps
Hitachi
Thanks.
Ref below re D4's all being AMK units.
Re the pics, not sure if you've noticed but both pictures are actually of a Hitachi unit (note the stamped plate rather than stick on both) - pretty sure they're actually both the same picture just someone's slapped a Dunlop logo in the top corner on one.
garrycol wrote:
You should have neither compressor - in a 2012 you should have an AMK.
Have two MY12 D4's here (TDV6 base models) and both have Hitachi compressors. I can't say for certain that that is how they came from the factory as I purchased them used (one is my fathers and the other my wifes) but there is no signs of any modifications or changes in either compressor boxes.
Perhaps they threw the old parts on the vehicles destined for Australia?Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 Lion 2.7L TDV6
Dads - MY98 LJ Discovery ES 3.9L V8
11th Feb 2023 10:30 am
twr7cx
Member Since: 03 Mar 2019
Location: Tasmania
Posts: 150
Thanks all for the replies. I pulled the bottom cover off, double confirmed that it is a Hitachi style unit, and checked the plate which is stamped with Land Rover. Hitachi rebuild kit inbound!Mine - modified MY03 LT L318 Discovery 2a HSE Td5 15P
Hers - MY12 L319 Discovery 4 Lion 2.7L TDV6
Dads - MY98 LJ Discovery ES 3.9L V8
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