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Description
034 Control Arm Kit | Density Line | Early B5 | C5 Audi S4 | RS4 & A6 | S6 | RS6 | B5 Volkswagen Passat with Aluminum UprightsDoes your Audi or Volkswagen have that "not so fresh" feeling? Does it clunk and clack over driveways and speed bumps? Does it have the steering response of a '59 Chevy? It's okay Your undercarriage just needs a little work, and it won't require any cream and you're not the only girl on the block. This is a common problem with B5 Audi A4 S4, B5 Volkswagen Passat, and C5 Audi A6 S6 RS6 cars. Fix it once and for all with a complete Density Line Control
Does your Audi or Volkswagen have that "not so fresh" feeling? Does it clunk and clack over driveways and speed bumps? Does it have the steering response of a '59 Chevy?
It's okay... Your undercarriage just needs a little work, and it won't require any cream and you're not the only girl on the block. This is a common problem with B5 Audi A4/S4, B5 Volkswagen Passat, and C5 Audi A6/S6/RS6 cars.
Fix it once and for all with a complete Density Line Control Arm Kit, which features all front suspension links and new installation hardware. No, these are not parts for 7 cars, which is how it may appear... Your car really uses this many links to create the sharp handling and buttery smooth ride you're accustomed to. Just make sure they are tight for slop free, fresh handling.
Save a ton of money by buying the complete kit over piecing together parts. This kit exceeds the OE arm quality, as we went to an OE supplier for Audi and had them make arms for us to our specifications. Density Line Control Arm Bushings feature slightly sitffer, higher durometer rubber for crisper handling and longer life. We go direct to the source for an improved product, and by cutting out several middle men, we can offer you a higher quality part at an exceptional savings.
A complete hardware kit with all new nuts and bolts is now included!
Don't be fooled by cheap Chinese Ebay arm kits, our arm kits are the real deal and we stand behind them with a 1-year replacement warranty from the time of purchase*.
NOTE 1: This kit is for early 2000 B5 S4's, as well as later Audi A6/S6/RS6 models with aluminum uprights. Later cars with steel uprights need 2 different lower control arms, and that kit is available here. You can easily verify if your car uses this kit if your suspension uprights are made out of aluminum.
*NOTE 2: To ensure a long life for these control arms, when they are installed, it is IMPERATIVE that the suspension be compressed to static ride height before any suspension pivot bushings are tightened. If this is not done, bushings will tear as the twisting forces on them will be much higher than is intended. If you have any questions about this, please contact us to verify, if this is not done any warranty will be voided.
NOTE about VW Passat:All Passats with VIN from 000000 - 072000 take part number have steel uprights. All Passats with VIN from 072001 - end of B5/B5.5 have steel uprights but take aluminum upright style arms. Please note when ordering.
Please Note: We highly recommend using our upgraded B5/B6/B7/C5 Audi Heavy Duty Tie Rod End when installing this kit.
Founded in 2005, 034 Motorsport is driven by the passion to bring motorsport-quality performance products and tuning to your Audi and Volkswagen vehicles.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
Amazing - Stop Scrolling and Buy This Pillow
Size: Queen (Pack of 1), Color: White
I have been an Amazon customer ever since the very beginning, and this is my first review. Not because I haven’t purchased tons of amazing things (and a few bad ones), just never felt the need.
However, I researched pillows for longer than I care to admit, and decided on this one.
I’ve had it for about six months and absolutely love it. No lie, I genuinely look forward lying my big head on it after a long day.
I am a side sleeper, but flip flop all around through the night and it’s great in every position.
Pros:
Stays nice and cool, which is soothing regardless of the time of year.
Has a sort of quilted textured pattern on the zip up cover, gives it a luxury feel, that breaths nicely even when a pillow case is added.
The fill is fully adjustable to your preference.
I knew it came with extra filling but was worried it would not be enough. Wrong. It was very full and I ended up taking some out until it was perfect.
It comes vacuum sealed and suggests it may take some time to fully take shape. However, I found it to be about 90% almost instantly and was sleeping on it a couple hours later.
There was no unpleasant scent sometimes associated with memory foam items.
The foam itself is very nice, a mix of what appears to be shredded and cotton candy cloud like. Very brilliant idea, as it is somehow supportive, soft and firm all at once.
The affordability of this pillow compared to some of the others in this category can’t be overstated.
Oh, and the packaging was very thoughtfully and securely done.
If you are like me, an over thinker, I would suggest just taking this for a spin. It’s amazing.
I’m not a bot, or working for the company. I’m just truly satisfied, love this pillow, and have been sleeping great.
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Reviewed in the United States on April 6, 2026
★★★★★ 5
It's the perfect pillow!
Size: Queen (Pack of 1), Color: White
I purchased this pillow specifically for its customizable fill feature, which allows you to add or remove stuffing to suit your personal comfort needs. Due to the unique curvature of my cervical spine—forward at the neck rather than backward—I require a soft, semi-flat pillow rather than one that is thick or firm. Additionally, I often experience ear discomfort by morning, so a gentler surface is essential.
Upon adjusting the fill, I was pleasantly surprised by the generous amount of stuffing included. There was enough to fill an additional pillowcase, and I estimate it could easily create four to five more pillows. The ability to modify the pillow’s firmness at any time is an outstanding feature that makes it adaptable for a wide range of preferences and sleep styles.
This pillow has exceeded my expectations in both comfort and versatility. I highly recommend it to anyone seeking a personalized sleep experience.
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Reviewed in the United States on February 1, 2026
★★★★★ 4
Good quality pillows overall
Size: King (Pack of 2), Color: White
Got a set of these for my wife and myself as we were struggling with our old pillows. These have some really good qualities and some things we'd like to see changed.
First, the good: These are look and feel like they are high quality and made with good materials. The foam itself has a very nice feel to it. We love the fact they are adjustable to add or remove foam. They come with a pretty substantial amount already in the pillow. We appreciate the CertiPur certification.
Now the improvements or changes we'd like to see: The foam, while feeling great, doesn't bounce back well if you scrunch your pillows, and so every day you have to fluff and reshape the pillow, moreso than some other memory foam pillows we've owned. One side of the pillow is cooled and you can feel that even through the pillow case, and that's a great thing. However, one side is not cooled and we'd have preferred if both sides were made of the cooling material.
Overall, these are good pillows and we are not disappointed with the purchase. They are not, however, our perfect pillows (which do seem hard to find), and at some point in the future will probably make their way to the guest bedroom. We would rate them as some of the better pillows we've tried and feel most people would probably like them.
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Reviewed in the United States on December 19, 2025
★★★★★ 5
Perfect Pillow
Size: Queen (Pack of 1), Color: White
These are the best pillows ever. You can adjust the firmness or softness to whatever you want. For years i used a soft latex pillow , which you cant get anymore. I will never use another pillow. I have purchased 6 of these after the first one. You pick your own comfort level. Best ever. No more neck aches.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Hallelujah… finally, I found the right pillow!!!
Size: Queen (Pack of 1), Color: White
I have spent a lot of money searching for the right pillow. I recently tried to Tempur-pedic that cost twice with this pillow cost. Tempur-pedic flattened out. I’ve had this pill for a few weeks now and it works wonders. I am a paraplegic. You can have a lot of neck problems. I love the fact that this pillow is adjustable. I immediately saw it was too stuffy and took a bunch out. It works perfect so glad I didn’t spend money on a $200 purple pillow.
I read a lot of reviews and there were a lot of complaints about the odor. Mine did smell funny when it came out of the box. I immediately threw it in the dryer with a few bounce fabric sheets came out smelling fine.
Pillows are a very individual thing, but I think for 40 bucks this pillow is worth a try. I’m really enjoying mine about one of those silk pillowcases to go over it and it sleeps cool and comfortable. Best wishes in your search for the right pillow.
Update: I’ve been using this pillow several months and it continues. Give me a good night rest pain-free.. well worth the money.
UPDATE: I have been using this pillow for three months and it still works great. It does not flat out or get hot..
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Reviewed in the United States on January 29, 2026