Street Density Transmission Mount Upgrade, B8/B8.5/B9/B9.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5
The 034Motorsport Street Density B8/B8.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5 & B9/B9.5 Audi A4/S4/Q5/SQ5 Transmission Mount Upgrade is designed to improve the performance of the factory transmission mount assembly with a high durometer rubber mount replacement. This part is a direct, drop-in upgrade for the factory rubber damping medium used at the rear of the transmission mount assembly. In conjunction with other 034Motorsport Drivetrain Mount Upgrades, the Density Line Transmission Mount further reduces unwanted drivetrain movement to ensure that you experience improved throttle response and more direct shifts.
We highly recommend purchasing our Billet Aluminum B8 Transmission Mount Insert Upgrade along with this part to minimize unwanted drivetrain movement!
NVH is the measurement of how much noise, vibration, & harshness gets transmitted into the cabin of your vehicle. 034Motorsport Street Density Transmission Mounts will transfer zero to low amounts of NVH to the cabin based on user feedback. NVH is subjective so some users may find NVH to be increased or decreased from our rating. If you are experiencing higher than quoted NVH with this product, please email techsupport@034motorsport.com for further assistance.
034Motorsport is proud to offer our Street Density Transmission Mount Upgrade for the B8/B8.5 Audi A4/S4/RS4 and A5/S5/RS5 & B9/B9.5 Audi A4/S4/Allroad & Q5/SQ5! The factory Audi transmission mount assembly features a soft rubber damping medium, which allows for excessive transmission movement at increased power levels, and can break down over time. This movement can be observed as hesitation or lurching when accelerating, decelerating, and shifting.
This high durometer performance mount upgrade is designed to be a direct, drop-in replacement for the factory damping medium, and limit unwanted transmission movement. By reducing slop, this upgrade ensures that you're experiencing crisper shifts and a more connected driving experience. This upgrade will introduce some additional, perceivable increase in noise and vibration transfer into the cabin, especially on vehicles equipped with the Tiptronic transmission.
In addition, the factory transmission mount assembly components are not available separately from dealerships, and premature failure of this mount can result in having to buy the entire assembly. The Street Density Transmission Mount Upgrade from 034Motorsport lets you reuse the factory cast portion when replacing/upgrading the stock mount.
This mount was thoroughly tested by 034Motorsport, and independent Audi enthusiasts before release. Installation is very straightforward, and is completely reversible.
- Manufactured from 65 Durometer Rubber
- Designed to Upgrade Factory Transmission Mount Assembly
- Engineered to Work in Conjunction with the 034Motorsport B8/B8.5 & B9 Audi Transmission Mount Insert
- Further Reduces Transmission Movement During Shifting, Acceleration, and Deceleration
- Improves Shifting Feel & Throttle Response
- Will Introduce Some Increase in Noise & Vibration Transfer Inside Cabin, Especially on Tiptronic Cars
- Straightforward, Fully-Reversible Installation!
- 034Motorsport Street Density B8/B8.5/B9/B9.5 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5 Transmission Mount Upgrade
- Web - PDF
- 8K0 399 151DB / 8K0399151DB
- 8K0 399 151CD / 8K0399151CD
- 8K0 399 151BF / 8K0399151BF
- 8W0 399 156AR / 8W0399156AR
- 8W0 399 156AQ / 8W0399156AQ
Make | Model | Years | Chassis | Engine |
---|---|---|---|---|
Audi | A4 | 2009-2016 | B8/B8.5 | 2.0 TFSI |
Audi | A4 | 2009-2016 | B8/B8.5 | 3.2L FSI |
Audi | A4 | 2017-Present | B9/B9.5 | 2.0 TFSI |
Audi | A5 | 2008-2017 | B8/B8.5 | 2.0 TFSI |
Audi | A5 | 2008-2017 | B8/B8.5 | 3.2L FSI |
Audi | allroad | 2010-2016 | B8/B8.5 | 2.0 TFSI |
Audi | allroad | 2017-Present | B9/B9.5 | 2.0 TFSI |
Audi | Q5 | 2009-2017 | B8/B8.5 | 2.0 TFSI |
Audi | Q5 | 2009-2017 | B8/B8.5 | 3.0 TDI |
Audi | Q5 | 2009-2017 | B8/B8.5 | 3.0 TFSI |
Audi | Q5 | 2009-2017 | B8/B8.5 | 3.2L FSI |
Audi | Q5 | 2018-Present | B9/B9.5 | 2.0 TFSI |
Audi | RS4 | 2010-2017 | B8/B8.5 | 4.2L FSI |
Audi | RS4 | 2018-Present | B9/B9.5 | 2.9 TFSI |
Audi | RS5 | 2010-2017 | B8/B8.5 | 4.2L FSI |
Audi | RS5 | 2018-Present | B9/B9.5 | 2.9 TFSI |
Audi | RSQ8 | 2020-Present | 4M8 | 4.0 TFSI |
Audi | S4 | 2010-2017 | B8/B8.5 | 3.0 TFSI |
Audi | S4 | 2018-Present | B9/B9.5 | 3.0 TFSI |
Audi | S5 | 2008-2012 | B8 | 4.2L FSI |
Audi | S5 | 2013-2017 | B8.5 | 3.0 TFSI |
Audi | S5 | 2018-Present | B9/B9.5 | 3.0 TFSI |
Audi | S8 | 2019-Present | D5 | 4.0L TFSI |
Audi | SQ5 | 2012-2017 | B8/B8.5 | 3.0 TDI |
Audi | SQ5 | 2012-2017 | B8/B8.5 | 3.0 TFSI |
Audi | SQ5 | 2018-Present | B9/B9.5 | 3.0 TFSI |
Audi | SQ7 | 2020-Present | 4M/4M.5 | 4.0 TFSI |
Audi | SQ8 | 2019-Present | 4M8 | 4.0 TFSI |
Density Line Drivetrain Mount Lifetime Warranty:
034Motorsport is proud to offer a Lifetime Warranty on all Density Line Engine & Transmission Mounts - a true testament to the engineering & quality of our Engine Mount products. If you're reading this, it means this product is covered!
Whether you’ve purchased through 034Motorsport or one of our Authorized Dealers, your Density Line Drivetrain Mounts are covered by this Limited Lifetime Warranty. When you think your mounts need replacement or have experienced a mount failure, reach out to the 034Motorsport Technical Support team at TechSupport@034Motorsport.com for assistance! Once the warranty process has begun, place an order for the replacement mounts and send us the damaged/worn mounts. Once we receive the damaged/worn mounts, you'll receive a store credit rebate for the replacement mount against the MSRP of the original mount order.
The 034Motorsport Density Line Drivetrain Mount Lifetime Warranty covers all Density Line Engine & Transmission Mounts with normal wear & tear or manufacturing defects. Engine & Transmission mounts that exhibit minimal wear, signs of abuse, or that were not installed properly may not be covered. While we want all customers to be able to take advantage of the Lifetime Warranty, those who abuse the Density Line Lifetime Replacement Warranty or act in bad faith may be disqualified at our sole discretion. We want to ensure that this Program remains fair and accessible to all customers. The Density Line Drivetrain Mount Lifetime Warranty is only valid to the original purchaser. This warranty program does not cover Density Line Suspension components which are wear and replacement items.
SKU | 034-509-4025 |
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Manufacturer | 034Motorsport |
Part Number Interchange | 8K0399151DB, 8K0399151CD, 8K0399151BF, 8W0399156AR, 8W0399156AQ |
Warning: This product may contain a chemical known to the State of California to cause cancer, birth defects, or other reproductive harm.
Learn More: www.p65warnings.ca.gov