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Audi B8/B8.5 S5 Quattro V8 4.2L

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Audi B8/B8.5 S5 Quattro V8 4.2L Performance Engine & Transmission Mounts

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Complete Rear Differential Mount Insert Kit

ES#2992521 - 008288ecs01KT - Complete Rear Differential Mount Insert Kit - Increase drivetrain rigidity and response! - ECS - Audi Porsche

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992521
Mfg#:
008288ECS01KT
In Stock
ON SALE! SAVE 40%
$192.99

This product was last offered at the strikethrough price on
05-02-2026

$115.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5

ES#3097986 - 008288ecs01KT1 - Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5 - Decrease slop; Increase drivetrain rigidity and response! - ECS - Audi
ECS Tuning recommends this product.

Decrease slop; Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097986
Mfg#:
008288ECS01KT1
Ships on Jul 10, 2026
Auto Notify
ON SALE! SAVE 40%
$306.99

This product was last offered at the strikethrough price on
05-02-2026

$184.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing Insert Kit

ES#3023205 - 009860ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi Porsche

Decrease transmission mount slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3023205
Mfg#:
009860ECS01
Ships on Jul 10, 2026
Auto Notify
ON SALE! SAVE 40%
$99.99

This product was last offered at the strikethrough price on
05-02-2026

$60.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Transmission Mount

ES#3199888 - 0345094025 - Street Density Transmission Mount - Improve the performance of the factory transmission mount - 034Motorsport - Audi

Improve the performance of the factory transmission mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3199888
Mfg#:
0345094025
In Stock
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mounts Kit

ES#2996824 - 034-509-5010-SD - Street Density Line Motor Mounts Kit - Void-free and fluid-free, eliminating the slop associated with the factory mounts - 034Motorsport - Audi

Void-free and fluid-free, eliminating the slop associated with the factory mounts affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2996824
Mfg#:
034-509-5010-SD
In Stock
$578.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drivetrain Mounts Insert Package

ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Bushing Differential Mount Insert Kit

ES#2992520 - 008288ECS02 - Rear Bushing Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992520
Mfg#:
008288ECS02
In Stock
ON SALE! SAVE 35%
$112.99

This product was last offered at the strikethrough price on
05-02-2026

$73.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Position Rear Differential Mount Insert Kit

ES#2992519 - 008288ECS01 - Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 40%
$93.99

This product was last offered at the strikethrough price on
05-02-2026

$56.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Insert Kit - Black

ES#4620258 - 8K0599257N - Rear Differential Carrier Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620258
Mfg#:
8K0599257N
In Stock
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Insert Kit - Black

ES#4620269 - 8K0599381H - Rear Differential Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620269
Mfg#:
8K0599381H
In Stock
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Insert

ES#4620259 - 8K0399151DB - Transmission Mount Insert - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620259
Mfg#:
8K0399151DB
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B8 A4/S4/A5/S5 Selector Shaft Monoball & Transmission Mount Bushing Insert Kit

ES#4876600 - 048563LA02EBKT - B8 A4/S4/A5/S5 Selector Shaft Monoball & Transmission Mount Bushing Insert Kit - Eliminate the loose or sloppy feeling from your shifter and drivetrain! - Enthusiast Bundles - Audi

Eliminate the loose or sloppy feeling from your shifter and drivetrain! Don't See A Bundle You Want - Give Us A Call Or Chat - We Will Make One! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Enthusiast Bundles - Corporate Logo
ES#:
4876600
Mfg#:
048563LA02EBKT
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 41%
$252.99

This product was last offered at the strikethrough price on
05-05-2026

$149.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Differential Mount Upgrade

ES#2966690 - 034-505-2019 - Billet Aluminum Rear Differential Mount Upgrade - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966690
Mfg#:
034-505-2019
In Stock
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Insert Kit

ES#2966689 - 034-505-2016 - Rear Differential Carrier Mount Insert Kit - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2966689
Mfg#:
034-505-2016
Ships in 2 Business Days
$134.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI B8 Transmission Mount Insert

ES#3604901 - EBFI7838K1001 - BFI B8 Transmission Mount Insert - Reduce wheel hop and put more power to the ground! - Black Forest Industries - Audi

Reduce wheel hop and put more power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Black Forest Industries - Corporate Logo
ES#:
3604901
Mfg#:
EBFI7838K1001
Ships in 1 Business Day
$59.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Insert

ES#3194693 - CTS-HW-0150 - Transmission Mount Insert - Fills the large void in the factory transmission mount to reduce deflection - CTS - Audi

Fills the large void in the factory transmission mount to reduce deflection affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
CTS - Corporate Logo
ES#:
3194693
Mfg#:
CTS-HW-0150
Back Ordered
$59.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Performance Engine & Transmission Mounts

Stock drivetrain mounts are designed to keep everything as tight as it can be without causing noise, vibration, or harshness. Unfortunately, that means they sacrifice some rigidity for comfort. Upgrade to stiffer or solid drivetrain mounts for better engine response and less deflection!

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Manufacturer names and/or part numbers are used only for identification purposes.

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