---
product_id: 87733611
title: "RKX Billet Transmission Mount Insert Compatible With B8 B8.5 A4 S4 A5 S5 SQ5 Q5 8K0399151BD"
brand: "rkx"
price: "28437 Ft"
currency: HUF
in_stock: true
reviews_count: 9
url: https://www.desertcart.hu/products/87733611-rkx-billet-transmission-mount-insert-compatible-with-b8-b8-5
store_origin: HU
region: Hungary
---

# Billet Aluminum Easy Install Precision Machined RKX Billet Transmission Mount Insert Compatible With B8 B8.5 A4 S4 A5 S5 SQ5 Q5 8K0399151BD

**Brand:** rkx
**Price:** 28437 Ft
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Drive: Precision Meets Performance!

## Quick Answers

- **What is this?** RKX Billet Transmission Mount Insert Compatible With B8 B8.5 A4 S4 A5 S5 SQ5 Q5 8K0399151BD by rkx
- **How much does it cost?** 28437 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/87733611-rkx-billet-transmission-mount-insert-compatible-with-b8-b8-5)

## Best For

- rkx enthusiasts

## Why This Product

- Trusted rkx brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Perfect Fit:** Compatible with a range of models from 2009-2017 for seamless integration.
- • **Solid Performance:** Transform your ride with reduced transmission movement for a stronger shift.
- • **Lightweight Design:** Weighing only 5.6 ounces, it enhances performance without adding bulk.
- • **Quick Installation:** Get back on the road in no time with a hassle-free setup.
- • **No Noise, No Vibration:** Enjoy a smooth drive without the annoying cabin noise.

## Overview

The RKX Billet Transmission Mount Insert is a high-quality, precision-machined component designed to enhance the performance of your vehicle's transmission. Compatible with various Audi models from 2009 to 2017, this lightweight insert fills voids in the factory mount, providing a solid connection without increasing cabin noise or vibration. Installation is quick and easy, making it an ideal upgrade for performance enthusiasts.

## Description

RKXBillet Transmission Mount Insert Compatible With B8 B8.5 A4 S4 A5 S5 SQ5 Q5 8K0399151BD

## Features

- Genuine RKX B8 Transmission Mount Insert
- The RKX B8 Transmission mount insert is precision machined from high quality billet aluminum. The install is quick and easy and requires no permanent modifications to your vehicle!
- The RKX mount insert fills the voids on the factory transmission mount to provide a more solid mount with no increase in noise or vibration in the cabin of the vehicle.
- The Mount reduces the movement of the transmission during hard acceleration to provide a stronger feeling shift
- Fits all 2009 - 2016 A4, S4, RS4 / 2009 - 2017 q5, SQ5, A5, S5, RS5

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | RKX |
| Brand | RKX |
| Item Weight | 5.6 ounces |
| Package Dimensions | 5.2 x 2.1 x 1.8 inches |
| Item model number | RKX-B8-Transmission-mount-insert |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | RKX-B8-Transmission-mount-insert |

## Images

![RKX Billet Transmission Mount Insert Compatible With B8 B8.5 A4 S4 A5 S5 SQ5 Q5 8K0399151BD - Image 1](https://m.media-amazon.com/images/I/713tKOQOU3L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Must have
  

*by D***L on Reviewed in the United States on November 1, 2018*

First of all, let me start by saying that if you have an Audi that this will fit, it is a must have.This mount insert nicely fills the void around the transmission mount. It prevents the extra, sloppy transmission movement when shifting or accelerating or decelerating. I have a B8.5 S4 with the DSG, and I would notice some slop when on and off the gas at slower speeds (in traffic, for example). I associated it with slop within the transmission, but I was incorrect. The slop was coming from the mount. Shifts are now slightly crisper, but more than anything else, the jerkiness when on and off the gas is gone. My worry that there was a potential issue with my seriously expensive DSG transmission is gone. I should have gotten one of these the day I bought the car.As for the insert itself, it is of very high quality, and it fits perfectly. It is made from billet aluminum, so it is strong and light. It is an obvious clone of the same insert made by a bigger company. However, this unit costs less than half as much, and is the same design and quality. No need to overpay for a brand name for a piece of aluminum you'll never see after installation. Speaking of which....Installation is about a simple as anything under the car could ever be. It took me much longer to get the car in the air than it did to add this. Simply remove two bolts, slide this into the void around the mount, and replace the bolts. One caveat, you need the correct triple square bit (M10). If you don't have a set, get one. You can't do any real work on your Audi without it anyway. Do NOT use an allen wrench or Torx bit. Just don't. One more note; while the directions don't specifically call for it, blue Loctite is a good idea on the bolts. They don't get torqued very tight, so some blue Loctite ensures they stay in place.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    A solid buy
  

*by L***T on Reviewed in the United States on July 24, 2021*

Super easy to install. Surprisingly, you can feel the difference. Smooth shifting from slowing down and stepping on the peddle. If you can unscrew two 10m triple square. Then you can make this happen. Fits my 2011 Q5 2.0L no problem. Took less the 20 minutes. Not sure why the vehicle didn’t come from the manufacturer this way. I saved the piece I took of if anything should happen. Feels solid. I didn’t see the point of buy name brand as it’s material is the same. It’s better than the piece that gets replaced (original equipment). I think it’s value for the money for sure because it fits and do a better job than the OE.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great, inexpensive mod!
  

*by A***N on Reviewed in the United States on January 10, 2021*

Had this installed on my '13 Q5 3.0t last week to remove some of the slop and it made a noticeable difference! Smooth, crisp shifts with no change/increase in NVH (vibration). I could've installed it myself but it was cheaper to have my mechanic do it vs. buying the Audi tool, torque wrench, loc-tite, etc.

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**Shop now:** [https://www.desertcart.hu/products/87733611-rkx-billet-transmission-mount-insert-compatible-with-b8-b8-5](https://www.desertcart.hu/products/87733611-rkx-billet-transmission-mount-insert-compatible-with-b8-b8-5)

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-22*