Hello from Atlanta GA!
I need to replace the right front UCA on my 04 LS.
1. Who manufactured these parts for Lexus as OEM ?.
2. I have want to upgrade the car to the Sport package (generic term)- coils, struts, sways, bushin gs- and just seeing how many other parts list 'sport package' as an option.
Assuming parts are replaced in pairs- both left and right FUCAs and LCUAs, are the sport and non-sport options interchangeable, or will I have to replace ALL the suspension parts?
Thanks for your help!

 

Hello back from Atlanta. Nobody can answer who made the parts for Lexus back then and if anyone is making them to the same quality.

Sport package is sufficiently matched with the struts and springs. Otherwise it's all effectively the same.

 

Sport package had a rear sway bar that was 1mm bigger and the upper control arms had firmer bushings. Keep in mind, this is SPORT by Lexus standards, so really not that sporty.

 

Thanks Largenoogs and Romanova
I obtained thatinfo on struts, coils, bars, bushings from:
https://www.clublexus.com/forums/ls-...al-review.html
but I don't understand the meaning of all the 'Sport Package/Euro Suspension' options when searching fro UCAs and LCAs and similar. So...Did thee Sport Package (04-06) have different UCAs and LCAs? What other parts are different on the Sport Package/Euro Suspension?
FYI, I compared the non-Sport UCA with the Sport UCA on RockAuto, and the measurements are very slightly different for Sport than non-Sport:

DORMAN CB64078PR Sport
Ball Joint Thread Diameter 12 mm
Control Arm Maximum Length 221.2 MM
Control Arm Maximum Width 308 mm
Mounting Hole Diameter 10.2 MM
Package Contents 1 Control Arm; 1 Ball joint; 1 Nut; 1 Cotter Pin
DORMAN CB64038PR Non- Sport
Ball Joint Thread Diameter 12 mm
Control Arm Maximum Length 220 mm
Control Arm Maximum Width 307 mm
Mounting Hole Diameter: 10.4 mmPackage Contents 1 Control Arm; 1 Ball Joint; 1 Castle Nut; 1 Washer; 1 Cotter Pin

​​​​​​​hanks for sharing whatever you know!

 

Don't buy Dorman parts, period.