Is the Trailblazer EXT rear control arm the same "part number" or "same dimension" as SWB?

[far eastan]

Hello.
In the near future, we plan to replace the Rear suspension of Trailblazer EXT.
My car is rifted.
The position of the tire is slightly shifted than the original position.
I saw the adjustable parts in SPOHN or Massive Speed System.
This is written as "for 360" and is not "for 370".
We investigated car goods stores.
I checked the FIT check on the site.

Panhard Bar Rod can be used in EXT, but Upper & Lower Control Arms has not been conformed at various stores.
I also confirmed YouTube.
In the video, during the repair, there was a repair work that noticed that he ordered an arm with a different length.

This is why I thought that the length of the arm could differ between LWB and SWB.



So I checked the OE parts.
SWB and LWB have GM parts sites with the same part number.
Also, in the rock auto, the parts of the EXT model and the bass model were the same.

This is why SWB and LWB are both the same control arm.

Which is correct?
Can such a product be used with EXT?

https://www.amazon.com/dp/B07Z5CJV8R/?tag=gmtnation-20

https://www.amazon.com/dp/B07Z59NT2Z/?tag=gmtnation-20

thank you

 

[mrrsm]

Check this eBay Listing and look over the Full List of Vehicles at the Bottom of the Sales Page to see if these are Universal:

Rear Upper Control Arm for 2002 - 2009 Chevy Trailblazer EXT GMC Envoy Ascender | eBay

Find many great new & used options and get the best deals for Rear Upper Control Arm for 2002 - 2009 Chevy Trailblazer EXT GMC Envoy Ascender at the best online prices at eBay! Free shipping for many products!

www.ebay.com

 

[far eastan]

Thank you.
yes. I also checked the page of Detroit Axel.
In addition, I also checked the site of the GM online parts sale.
They look like the same part number for SWB and LWB.

However, in many custom parts shops, it was displayed as "it does not fit your car" and could not be put in the cart.
Panhard Bar Fit
Upper Control Arms No Fit
Lower Control Arms No Fit

If this is the only situation, I think my judgment was based on the information on the GM OE parts online sales site.

But I saw this on YouTube.

I don't really understand English.
He seems to have purchased a control arm that does not fit in SWB.
He seems to say that it may be EXT.
I didn't understand which control arm he was wrong.
Is there a difference between the year model, not the wheelbase?
Is it a difference from the auto height level adjustment?

Is there anyone who uses the adjustable rear control arm in EXT?

thank you.

 

[Mooseman]

I checked on RockAuto for the arms and there doesn't seem to be any notations for EXT or SWB, however, there are notations for with or without automatic rear leveling system (air bags). Having had both styles, I don't know what the difference between them would be except maybe for the mounting on the level sensors, which would be inconsequential if you don't have that system.

 

[mrrsm]

Perhaps he can advise on what Hardware he obtained (By Name Of Manufacture) that would change the Rear Elevation Geometry so dramatically with their Lift Kit and follow up by consulting with THEM for more advice on what the correct length of Rear Struts are to use.

 

[far eastan]

Thank you everyone.
I investigated all brand parts numbers.
Detroit Axel, Movetec, Delphi, Acdelco, Dorman, Rockauto, various other brants etc.


Roughly speaking, the rear upper arm was divided into two types.


Rear upper w/o airsus 660155 521-979 15069837 15070033 15098152 15116112 15133515
Rear upper w/ autolevel air sus 660156 521-887 15069838 15070034 15098153 15125536 15133516 15292406



These seem to be the presence or absence of the G67 (Auto Air Level Control).

And when I checked MOOG, I found that RK660156 could be used instead of RK660155.


The 660156 of with G67 (Auto Air Level Control) has a small protrusion and has a mount to mounting.
If someone can ignore it, I think it can be used instead of 660155.

If the car has a G67, you can buy 660156.

If the car is not an automatic level air suspension, I think that 660155 can be used and 660156 can be used in case of emergency.







But the problem is the lower arm.
I checked the parts number that came out and divided the related numbers, but it became 4 groups.


521888 660157 15069840 15767212


528255 15098154 CMS501014 15070037 15070039 15743655 15743656



ACDelco(GM)
45B1176 (19239604)
45D1895 (19327072)




It was judged that each group, at least one number, would be compatible with my car on various different sites.
However, some sites have been judged that they do not fit.

Especially when I check the DORMAN site, 521-888 is for L6 4.2. The 528-255 is for V8 364 6.0 or V8 325 5.3.
However, it states that 528255 (for 6.0 or 5.3) is the same part as 15098154.
And 15098154 is a GM parts giant and says that it fits 6i 4.2L ZW7.

i am confused.


I apologize for the esoteric sentence because I use a translation site.
thank you.

 

[far eastan]

Perhaps he can advise on what Hardware he obtained (By Name Of Manufacture) that would change the Rear Elevation Geometry so dramatically with their Lift Kit and follow up by consulting with THEM for more advice on what the correct length of Rear Struts are to use.

thank you.
I couldn't understand the target of this sentence well.
sorry.

Does that mean asking the creator of the video?

I challenged to write a comment in the video several times, but it wasn't reflected for some reason.
It is very disappointing.

I'm sorry if I didn't understand your comments correctly.
thank you.

 

[Mooseman]

No problem on the translation. We can still make out what you're saying.

I checked again on RockAuto and I see no differences for the rear lower control arms between models or engines, even the 6.0L SS.

However there is a difference for the Panhard Track Bar, 15223490. That's #7 in this image:

The one for the 6.0L is different because it is lower than the 4.2 and 5.3. If you are lifting your truck higher, then you may need an adjustable one to allow you to keep the differential centered, like this one:

Massive Speed System Adjustable Panhard Bar for Trailblazer

Adjustable Panhard Bar for Trailblazer

www.dsperformance.net

 

[far eastan]

thank you.
I plan to buy adjustable parts.



I was watching YouTube videos.
There was a adjustable Massive control control arm.
However, in the subsequent video, it was changed to spohn.
Looking at the comments, there was a question of why I replaced it.
He answered:
(Maybe the biggest reason was that, as he said, it was necessary to create videos of SPOHN products because they were provided.)

Still, there seems to be a slight difference in the characteristics of the product.


SPOHN is slightly better in street performance.
moreover,
Massive is suitable for racing and articulation. SPOHN is suitable for street and daily driving.
I wrote.
Does Massive Ca make the ride a little worse?
Is it the difference between urethane or rubber bush and pillow ball?

There seems to be a difference between whether you can add grease or not.

But there may be no big difference.

Thankyou!

 

[Mooseman]

I have no personal knowledge except for what some others have used to correct geometry issues. I only linked the Massive as it was the first adjustable Panhard bar that came up in my search.

 

[far eastan]

Hello.


I understand your comments.
When I asked this question, I put an Amazon link in the first writing.
That is also a massive.
It seems to be the most prominent.
thank you for your kindness.