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Nice to meet you. I own a 2018 LS500H from South Korea.
My car has a mileage of over 75,000 miles, and I am considering replacing the front lower arm and stabilizer link for preventive maintenance.
Roads in Korea are very tiring. Even low mileage puts a lot of fatigue on the car.
I looked up the part number for the lower arm.
48620-50150+48660-59045 // 48640-50150+48670-59045
This was used until ~06/2020.
48620-50151+48660-59046 // 48640-50151+48670-59046
In addition, it was confirmed that it was replaced with the above parts afterwards.
We know that the ride comfort has improved somewhat since the 2021 LS,
As a result of checking, I confirmed that the other lower body parts were the same, but the front wheel lower arm was different.
I know that lower arms and tires have a huge impact on ride quality.
Is this simply a component with improved durability?
Reminds me of the 2013 LS lower arm with improved durability.
Or will there be some improvement in ride quality? I'm really curious.
Are these parts compatible with my car? If possible, I would like to try. What do you guys think?
Are you an automotive engineer? Do you have years of experience designing vehicle suspension?
This is not a part I would replace for maintenance or preventative reasons. Have a professional mechanic look at the bushings on the arm and inspect. The bushings may be fine, if they are then there is no reason to replace. If the bushings are cracked and worn then it may need replacement. Have the same mechanic inspect all other suspension parts (ball joints, etc.)
02-13-23, 12:09 AM
2018 LS500H Opinion on replacing the lower arm.
