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034Motorsport Street Density Engine Mount for Audi I5 C4 UrS4/UrS6 B3 80/90 4000/5000 100/200 - 034-509-0009-SD

034Motorsport Street Density Engine Mount for Audi I5 C4 UrS4/UrS6 B3 80/90 4000/5000 100/200

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Model#034-509-0009-SD
Manufacturer034 Motorsports

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If you’re looking to upgrade your Audi’s engine mounts, you might want to check out the Density Line Engine Mounts from 034Motorsport. These bad boys are designed specifically for a range of Audi I5 models, including the C4 Audi UrS4/UrS6, B3 Audi 80/90/Coupe Quattro, as well as the Audi 4000/5000 and Audi 100/200. Trust me, if you’re serious about performance, these mounts are worth considering.

What sets the Density Line apart? Well, they’re built with high-durometer rubber, which means they’re tougher and more durable than your stock mounts. You won’t find any of that annoying slop that comes with factory mounts here. These are void-free and fluid-free, so you get a solid connection that really enhances your driving experience.

Street Density vs. Track Density

Let’s break it down a bit. The Street Density mounts are made from 50 durometer rubber, which is about 10% stiffer than the stock mounts. But because they’re void-free and solid-filled, they end up being around 25% stiffer overall. What does that mean for you? Less drivetrain slop, sharper shifts, and minimal wheel hop—all without cranking up the noise and vibration inside the cabin. It’s a solid upgrade if you want performance without sacrificing comfort.

Now, if you’re more of a track junkie, the Track Density mounts are where it’s at. These are made from 80 durometer rubber, making them roughly 90% stiffer than stock. With that void-free design, they’re about 120% stiffer overall. You’ll feel a locked-down drivetrain and solid shifting, but be prepared for a bit more noise and vibration inside. It’s all part of getting that raw driving experience.

Key Features

Manufactured from either 50 Durometer (Street Density) or 80 Durometer (Track Density) rubber.
Void-free construction for enhanced durability.
Significantly reduced drivetrain slop.
Less engine movement under load means better power transfer.
Improved shifting feel that you can actually notice.
These are complete drop-in replacements for your factory mounts.
Sold individually, so keep in mind you’ll need two for a full replacement.

Fitment

C4 Audi UrS4/UrS6 - AAN
B3 Audi 80/90/Coupe Quattro - I5 Engines
Audi UrQuattro
Audi Coupe GT
Audi 4000/5000 - I5 Engines
Audi 100/200 - I5 Engines

Replacement Parts

443 199 379D / 443199379D
443 199 379E / 443199379E
443 199 381C / 443199381C
443 199 381L / 443199381L
443 199 382 / 443199382

Notes

Remember, these are sold individually, so grab two for your ride!
Make sure to torque the nuts to the factory spec of 25 Nm (about 18.5 ft. lbs.). Overtightening can mess up your mounting studs.
These mounts fit most Audi I5 models, but do check if your non-US model uses an offset-style mount, as these won’t fit those.

So, if you’re ready to take your Audi’s performance to the next level, these Density Line Engine Mounts are a great way to do it. They’re tough, reliable, and will give you that extra edge whether you’re on the street or the track.

Other Part Numbers:
034 Motorsports #VR034-509-0009-SD

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Make Vehicle	Model	Year
1989-1991 Audi 100	100	1989-1991
1989-1991 Audi 200	200	1989-1991
1980-1987 Audi 4000	4000	1980-1987
1982-1988 Audi 5000	5000	1982-1988
1988-1991 Audi 80	80	1988-1991
1988-1991 Audi 90	90	1988-1991
1992-1994 Audi S4	S4	1992-1994
1995-1997 Audi S6	S6	1995-1997

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Who is 034 Motorsport?

034 Motorsport was founded in 2005 for enthusiasts by enthusiasts with a passion for bringing motorsport-quality performance upgrades and tuning to Audi and Volkswagen vehicles. Since its inception, the company has grown to meet the expanding needs of petrolheads with innovation, quality, and performance in mind. 034 Motorsport is dedicated to providing customers with only the finest performance products, tuning, and service for their Audi or Volkswagen.

Dedicated to the Car Scene

034Motorsport is owned and operated by car enthusiasts just like you! This means that you can count on them for expert advice and products that deliver each and every time. When they aren’t at work, you can find the 034 Motorsport folks at local car meets, Audi Club Track Days, or simply at home working on their own rides.

Being gearheads themselves, the 034 Motorsport staff understands the importance of a strong automotive community and giving back to the customers they owe their success to. 034Motorsport is a proud sponsor of Audi Club North America's Golden Gate Chapter, in addition to several other popular automotive forums, including Audizine, Fourtitude, VWvortex, and QuattroWorld. The brand also supports NorCal Audi Club, and frequently hosts events for its members.

Involvement in Competition Racing

034Motorsport stays true to its roots (and name) by actively participating in motorsport events, like time attacks, endurance racing, and hill climbs. These events allow the company to simultaneously showcase its products and racing expertise, while putting them to the ultimate test. A number of 034 Motorsport’s most iconic projects, including the Time Attack A4, GTI-RS, and 80tq raised the bar for on-track performance, while also accelerating production and testing processes.

Extensive Quality Product Lineup

034 Motorsport is well-known for producing some of the finest race-proven performance upgrades for Audi and Volkswagen enthusiasts. The 034 Motorsport performance facility is located in Fremont, California and home to its engineering, manufacturing, and tuning departments. The company prides itself on in-house manufacturing, where it designs, fabricates, calibrates, and tests all products under one roof with complete control. 034 Motorsport carries a wide range of products that includes suspension parts, motor mounts, intakes, silicone hoses, and numerous underhood goodies.

Find 034 Motorsport at Vivid Racing

You can find an extensive lineup of quality 034 Motorsport parts right here at Vivid Racing. We carry everything from 034 Motorsport blow-off valves, cold air intakes, intercoolers, differentials, and ventilation systems to wheel spacers, springs, turbos, mid-pipes, and steering components. Whatever you may possibly need, chances are we carry it! If you cannot find a particular item above or have any questions, please call our sales team at (480) 966-3040.

It is the intention of 034Motorsport to sell only quality products. We offer a 1-year warranty against defects in workmanship or materials, not extending to normal tear and wear or mis-use. You must provide us with a proof of purchase, defect or the result of wear or mis-use. Some products have less than 1-year warranty. Please inquire before ordering.

034Motorsport will only replace or repair warranty items. No refunds will be given. 034Motorsport or the product manufacturer will inspect or test all products prior to a warranty claim adjustment. This process may take up to 6 weeks. You must obtain an RMA number from either Customer Service or Technical Support prior to any return. All products we offer are warranted to be free from defects prior to installation. Any modification or improper use voids this warranty. This warranty does not cover installation. 034Motorsport shall be the final arbitrator in interpreting the extent and remedy of warranty.

034Motorsport warranties are not transferrable, and available to the original purchaser only, however if you do buy a 034Motorsport part second hand and have a problem with it, do contact us as we can typically arrive at a reasonable, fair solution.