SKU: 67051373971

034Motorsport Billet Aluminium Rear Differential Mount Upgrade - Audi B8 A4/S4/RS4/A5/S5/RS5, Q5/SQ5 & C7 Audi A6/S6/RS6, A7/S7/RS7 - 034-505-2019

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Description

034Motorsport Billet Aluminium Rear Differential Mount Upgrade - Audi B8 A4/S4/RS4/A5/S5/RS5, Q5/SQ5 & C7 Audi A6/S6/RS6, A7/S7/RS7 - 034-505-2019034 Motorsport Billet Aluminium Rear Differential Mount Upgrade, Audi B8 A4 S4 RS4 A5 S5 RS5, Q5 SQ5 & C7 Audi A6 S6 RS6, A7 S7 RS7 034 505 2019. Audi B8: A4 S4 RS4 A5 S5 RS5, Q5 SQ5 Audi C7: A6 S6 RS6, A7 S7 RS7 034Motorsport is pleased to present our new Billet Aluminium Rear Differential Mount Insert Upgrade for the B8 Audi A4 S4 RS4, A5 S5 RS5, Q5 SQ5 & C7 Audi A6 S6 RS6, A7 S7 RS7! The factory Audi rear differential mount has voids in the rubber

034 Motorsport - Billet Aluminium Rear Differential Mount Upgrade, Audi B8 A4/S4/RS4/A5/S5/RS5, Q5/SQ5 & C7 Audi A6/S6/RS6, A7/S7/RS7 - 034-505-2019.

Audi B8: A4/S4/RS4/A5/S5/RS5, Q5/SQ5

Audi C7: A6/S6/RS6, A7/S7/RS7 

034Motorsport is pleased to present our new Billet Aluminium Rear Differential Mount Insert Upgrade for the B8 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5 & C7 Audi A6/S6/RS6, A7/S7/RS7!

The factory Audi rear differential mount has voids in the rubber damping medium, which results in excessive rear differential movement under load. This movement allows for unwanted drivetrain slop (and sometimes clunks) that can be observed when accelerating, decelerating, and shifting.

These billet aluminium inserts are designed to fill the voids in both sides of the front-most factory B8 Audi A4/S4/RS4, A5/S5/RS5, Q5/SQ5 & C7 Audi A6/S6/RS6, A7/S7/RS7 rear differential mount, and limit rear differential movement without sacrificing ride quality or introducing any additional noise, vibration, or harshness into the cabin. By filling the voids in the factory mounts, these inserts eliminate the associated slop and ensures that you're experiencing smoother shifting and throttle transitions, and an improved driving experience.

Installation is very simple, can be performed in minutes, and is completely reversible. These billet aluminium inserts are precision-machined to fill voids on both sides of the factory rear differential mount, and will not pack and wear out over time.

Features:
  • CNC-Machined Billet Aluminium Construction with Clear Anodized Finish
  • Application-Specific Design for Optimal Fitment and Performance
  • Engineered to Fill Voids In Both Sides of Factory Rear Differential Mount
  • Drastically Reduces Rear Differential Movement During Shifting, Acceleration, and Deceleration
  • Improves Shifting Feel, Resulting in Crisper Shifts
  • Will Not Cause Additional NVH Transfer Inside Cabin
  • Easy, Straightforward Installation Takes Minutes!
What's Included:
  • 034Motorsport Billet Aluminium Rear Differential Mount Upgrade (Top Insert | 505-2017)
  • 034Motorsport Billet Aluminium Rear Differential Mount Upgrade (Bottom Insert | 505-2018)
Installation Instructions:
Fitment:
  • 2009 - 2016 Audi A4 (B8)
    • Quattro Models Only
  • 2010 - 2017 Audi S4 (B8)
  • 2013 - 2017 Audi RS4 (B8)
  • 2008 - 2017 Audi A5 (B8)
    • Quattro Models Only
  • 2008 - 2017 Audi S5 (B8) 
  • 2013 - 2017 Audi RS5 (B8)
  • 2008 - 2017 Audi Q5/SQ5 (B8)
  • 2012 - 2017 Audi A6 (C7)
    • Quattro Models Only
  • 2012 - 2017 Audi S6 (C7)
  • 2012 - 2017 Audi RS6 (C7)
  • 2012 - 2017 Audi A7 (C7)
    • Quattro Models Only
  • 2012 - 2017 Audi S7 (C7)
  • 2012 - 2017 Audi RS7 (C7)

Installs Into:

  • 8K0 599 381H / 8K0599381H
  • 8K0 599 381J / 8K0599381J
    Shipping Notes
    • Free Standard Shipping on $100+ Orders to the USA.
    • Except Preorder products are shipped in 48 hours.
    • Delivery to the USA:
    1. 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
    SKU: 67051373971

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    Perfect replacement
    Cuba, US
    ★★★★★ 5
    Plug and play
    Easy plug and play.
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    Reviewed in the United States on January 9, 2026
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    HP
    Waukegan, US
    ★★★★★ 5
    Excelente producto.
    Case perfecto
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    Reviewed in the United States on November 19, 2025
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    photomark
    Port Orchard, US
    ★★★★★ 5
    Worked out great
    Replaced on my E46 with this, it had better finish than the original, since it had a worn coating. Fitted like OEM without the OEM price.
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    Reviewed in the United States on August 31, 2023
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    Carlos peña
    West Palm Beach, US
    ★★★★★ 5
    Perfecto
    Casa perfecto
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    Reviewed in the United States on August 7, 2025
    G
    Verified Purchase
    Good for noisy workspaces 👍
    Lexington, US
    ★★★★★ 4
    Good product
    Fits nice. No proplem to install
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    Reviewed in the United States on August 14, 2023

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