XKR Throttle Coupling Needed
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#2
Google shows the P/N as for the whole top hat assy.
https://parts.jaguarpalmbeach.com/p/.../AJ811188.html
Maybe a good local parts guy can get it or sort it by dimensions and see what comes up on the web?
https://parts.jaguarpalmbeach.com/p/.../AJ811188.html
Maybe a good local parts guy can get it or sort it by dimensions and see what comes up on the web?
#3
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There are tons of sites where you can get different types of silicone. Pourable and one that we used to import from Japan that was so thin we could soak fabric with it effectively making it ultrahigh temp.
You know that you can get gasket silicone in a easy to apply and economical form than those silly tubes from the auto store? Red RTV Sealant - Blue Silicone Sealant | Silicone Depot
We use a trick to strengthen silicone that no one knows, mix fine sand.
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guy (02-11-2019)
#7
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#8
The gasket from the earlier cars is a perfect fit.
https://www.jaguarforums.com/forum/x...7/#post1669935
https://www.jaguarforums.com/forum/x...7/#post1669935
#9
I got this of of Amazon to replace my broken rubber adapter. It works great. I had to trim it shorter with a utility knife but it works perfect for this piece. I ordered NJA3554AA at first and it did not work well so i measure both intake and throttle body and found this coupler to be close.
HPS HTSR-325-375-BLK
HPS HTSR-325-375-BLK Silicone High Temperature 4-ply Reinforced Reducer Coupler Hose, 40 PSI Maximum Pressure, 3" Length, 3-1/4" > 3-3/4" ID, Black
HPS HTSR-325-375-BLK
The following 3 users liked this post by tracy_keyes:
#10
#11
The smaller end was a few MM smaller than what I measured on the throttle body but the silicone stretches enough to make a good snug fit. When I used window cleaner it slipped on very easy. The large opening fit snug and with the clamps on both ends it should be leak free. Much better fit than that JAG part that was way too small for the T plenum. The silicon hose will probably outlive the JAG part too.
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The Jag part is not a direct replacement it was a part from another car. the factory replacement is the $700-800 complete Y pipe AJ811188. The only thing I saw was they said NJA3554AA fit the throttle body side by measurement. I never found the post saying it worked and installed fine. I purchased it and could not make it fit on the Y pipe. The silicone adapter is the way to go in my opinion.
#14
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#15
I got this of of Amazon to replace my broken rubber adapter. It works great. I had to trim it shorter with a utility knife but it works perfect for this piece. I ordered NJA3554AA at first and it did not work well so i measure both intake and throttle body and found this coupler to be close. HPS HTSR-325-375-BLK
#16
I found that this piece works as well with trimming and is much cheaper at $15 https://rover.ebay.com/rover/0/0/0?m...2F230632147735
The following 2 users liked this post by AlexJag:
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#17
Coupling that works
NJA3554AA it's not the correct part. The seal is not sold separately that is why it cost $800 to fix this with the dealership plus labor . I ordered the part above anyway and it is definitely not a fit.!
I also ordered the thicker reducer also shown above in this forum from amazon but in my opinion it would not have sealed as well as a softer coupling ...I just thought it was too rigid. It would also have been harder to install and make it harder to align the two intake ducts to the top of the tee.
I was able to find the coupling from Home Depot that worked perfectly. I also placed a hot soldering iron on it and then also on the original part. The original OEM part melted much faster so I know the Home Depot coupling has a higher melting temperature. Cost me 100th the cost at $8 and some cents. I've driven the car now on two four and a half hour trips in hot weather and examined the coupling and it is fine.
This is a photo of the original part from home depot obviously you do not use the metal housing. The two inner diameter sizes are perfect to to slide over the T duct and the intake duct.
I also ordered the thicker reducer also shown above in this forum from amazon but in my opinion it would not have sealed as well as a softer coupling ...I just thought it was too rigid. It would also have been harder to install and make it harder to align the two intake ducts to the top of the tee.
I was able to find the coupling from Home Depot that worked perfectly. I also placed a hot soldering iron on it and then also on the original part. The original OEM part melted much faster so I know the Home Depot coupling has a higher melting temperature. Cost me 100th the cost at $8 and some cents. I've driven the car now on two four and a half hour trips in hot weather and examined the coupling and it is fine.
This is a photo of the original part from home depot obviously you do not use the metal housing. The two inner diameter sizes are perfect to to slide over the T duct and the intake duct.
Last edited by rogers1511; 10-25-2019 at 08:36 AM.
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Stuart S (10-24-2019)
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This was a while ago but I know the silicone coupler fit perfect on my car I believe it is 3-1/4" > 3-3/4" size
__________________
2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph
2008 XKR Convertible, (mods: AlphaJagTuning ECU Tune , 1.5lb pulley, (200cel cats( are now melted), xpipe, Bosch 001 pump, 180 Thermostat.
Drag strip : 7.9sec 1/8mi 90 MPH . 1/4 mile 12.55 at 111.98mph
432rwh Dyno on Mustang Dynometer , Approx 511 crank HP.
2013 XJ 5.0 Supercharged, (stock with Alpha Jag ECU tune), estimated power: 600+ hp, 7.7sec 1.8th mi/95mph
Last edited by AlexJag; 05-25-2021 at 12:38 AM.