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Audi B9 RS5 Quattro 2.9T

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Audi B9 RS5 Quattro 2.9T Drivetrain Parts & Accessories

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8-Speed Automatic Transmission Service Kit

ES#4381725 - 0d53980091KT - 8-Speed Automatic Transmission Service Kit - Includes a new transmission filter, Liqui Moly fluid, gaskets, and plugs to service your transmission - Assembled By ECS - Audi

Includes a new transmission filter, Liqui Moly fluid, gaskets, and plugs to service your transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4381725
Mfg#:
0D53980091KT
In Stock
ON SALE! SAVE 22%
$261.99

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

$203.81 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

APR Ultralink At-Home Tuning Cable

ES#4759009 - EM100040 - APR Ultralink At-Home Tuning Cable - Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! - APR - Audi Volkswagen Porsche

Tuning your vehicle with APR Software has never been easier thanks to the APR Ultralink! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Only available for purchase in the United States and Canada.

Brand:
APR - Corporate Logo
ES#:
4759009
Mfg#:
EM100040
In Stock
$139.95 USD
Free Shipping

Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included)

ES#4684889 - 034-103-3306 - Dynamic+ End User Flashing Kit R4 (Flashing Device Only - Tuning Not Included) - End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. - 034Motorsport - Audi Volkswagen

End User Flashing allows Dynamic+ Performance Software customers to receive and install software updates and revisions, flash back to stock, or upgrade to the next stage of performance software for their vehicle. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
The 034SPI Mobile App is only available on vehicles with Dynamic+ Tuning installed. You must purchase Dynamic+ Tuning for your Audi or Volkswagen to access the Dynamic+ Flashing Suite and 034SPI Mobile Application.

Brand:
034Motorsport - Corporate Logo
ES#:
4684889
Mfg#:
034-103-3306
EO#:
D-850
In Stock
ON SALE! SAVE 10%
$180.00

This product was last offered at the strikethrough price on
06-28-2026

$162.00 USD
Free Shipping

Billet Aluminum Transmission Mount Insert

ES#3176060 - 034-509-4053 - Billet Aluminum Transmission Mount Insert - This billet aluminum insert is designed to fill the large void in the factory transmission mount - 034Motorsport - Audi

This billet aluminum insert is designed to fill the large void in the factory transmission mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3176060
Mfg#:
034-509-4053
In Stock
ON SALE! SAVE 10%
$91.00

This product was last offered at the strikethrough price on
06-28-2026

$81.90 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 60 Durometer

ES#4619953 - 034-509-5041 - Street Density Line Motor Mount Kit - 60 Durometer - 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#:
4619953
Mfg#:
034-509-5041
In Stock
ON SALE! SAVE 10%
$480.00

This product was last offered at the strikethrough price on
06-28-2026

$432.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Street Density Line Motor Mount Kit - 50 Durometer

ES#4491679 - 034-509-5036 - Street Density Line Motor Mount Kit - 50 Durometer - 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#:
4491679
Mfg#:
034-509-5036
In Stock
ON SALE! SAVE 10%
$449.00

This product was last offered at the strikethrough price on
06-28-2026

$404.10 USD
Free Shipping
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
ON SALE! SAVE 10%
$44.00

This product was last offered at the strikethrough price on
06-28-2026

$39.60 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate

ES#3979295 - 027567ecs01KT - Audi B9 A4/S4 Transmission Street Shield Aluminum Skid Plate - Protect your transmission pan and improve aerodynamics - ECS - Audi

Protect your transmission pan and improve aerodynamics affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3979295
Mfg#:
027567ECS01KT
In Stock
ON SALE! SAVE 15%
$354.99

This product was last offered at the strikethrough price on
06-13-2026

$301.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing Insert Kit

ES#3170153 - 019209ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi

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#:
3170153
Mfg#:
019209ECS01
In Stock
ON SALE! SAVE 15%
$93.99

This product was last offered at the strikethrough price on
06-13-2026

$79.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier Insert Kit

ES#4620276 - JHM-DCSBCI-AUDI - Driveshaft Center Support Bearing Carrier Insert Kit - No cutting requited! - JH Motorsports - Audi

No cutting requited! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620276
Mfg#:
JHM-DCSBCI-AUDI
In Stock
$139.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable

ES#4662406 - iesovz21 - Stage 1 IE Performance ECU Tune - Includes Stage 1 TCU Tune & POWERlink Cable - Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware - Integrated Engineering - Audi

Average gain of 61 horsepower and 99 lb-ft of torque on 91 Octane with stock hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!
Perform tune in minutes from the comfort of your own driveway! Only available for purchase in the United States and Canada.

Brand:
Integrated Engineering - Corporate Logo
ES#:
4662406
Mfg#:
IESOVZ21
In Stock
$1078.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#4620204 - G055515A2KT - Rear Differential Service Kit - Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. - Assembled By ECS - Audi

Complete kit with Genuine fluids and magnetic drain plugs to service your rear differential. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4620204
Mfg#:
G055515A2KT
In Stock
ON SALE!
$227.99

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

$208.94 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Billet Aluminum Rear Differential Mount Insert Kit

ES#3509529 - 034-505-2020 - Billet Aluminum Rear Differential Mount Insert Kit - Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! - 034Motorsport - Audi

Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3509529
Mfg#:
034-505-2020
Ships on Jul 28, 2026
Auto Notify
ON SALE! SAVE 10%
$154.00

This product was last offered at the strikethrough price on
06-28-2026

$138.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Automatic Transmission Fluid - 1 Liter - Green

ES#465422 - G060162A2 - Automatic Transmission Fluid - 1 Liter - Green - Keep your transmission fluid clean - Genuine Volkswagen Audi - Audi Volkswagen

Keep your transmission fluid clean affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465422
Mfg#:
G060162A2
In Stock
4% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$89.71

This product was last offered at the strikethrough price on
07-06-2026

$85.99 USD
Free Shipping
on orders $49 and up

Wheel Bearing

ES#4826859 - 8W0407625G - Wheel Bearing - Fits the left and right side. - Hudson - Audi

Fits the left and right side. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Hudson - Corporate Logo
ES#:
4826859
Mfg#:
8W0407625G
Ships in 1 day
$129.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Masters Stainless Steel Clutch Line Kit - Audi B8/B9 A4/S4/A5/S5/RS5

ES#4920909 - SL-02060 - Clutch Masters Stainless Steel Clutch Line Kit - Audi B8/B9 A4/S4/A5/S5/RS5 - Stainless clutch lines delivers better clutch responsiveness and feel! - Clutch Masters - Audi

Stainless clutch lines delivers better clutch responsiveness and feel! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Clutch Masters - Corporate Logo
ES#:
4920909
Mfg#:
SL-02060
In Stock
15% off MSRP

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$74.99

This product was last offered at the strikethrough price on
07-06-2026

$63.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Drivetrain Parts & Accessories

Put your power to the wheels where it belongs, and keep drivetrain components mounted securely for comfort and safety. Our Drivetrain Components Section has a huge assortment of parts and fluids for transmissions, differentials, driveshafts, drivetrain mounts, drivetrain bushings, and drive hubs, plus special tools to make repairs easy.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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