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Audi B8/B8.5 S4 Quattro 3.0T Drivetrain Parts & Accessories

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ES#4389401 - 30TFSI-DSG-UC - Unitronic DSG Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4389401
Mfg#:
30TFSI-DSG-UC
In Stock
Starting at $864.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4381906 - 30TFSI-D-UC - Unitronic Performance Software - With UniCONNECT+ Cable - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune can be performed at home with the included UniCONNECT+ cable. Only available for purchase in th

Brand:
Unitronic - Corporate Logo
ES#:
4381906
Mfg#:
30TFSI-D-UC
In Stock
Starting at $864.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4158614 - n90281802ktKT1 - Rear Differential Service Kit - Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
4158614
Mfg#:
N90281802KTKT1
In Stock
ON SALE!
$101.99

This product was last offered at the strikethrough price on
06-16-2026

$95.96 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2144568 - 8K0711055L - Shift Lever With Shift Base - Complete shift lever and base assembly - Genuine Volkswagen Audi - Audi

Complete shift lever and base assembly From production date 9/14/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2144568
Mfg#:
8K0711055L
Ships in 10 Business Days
10% off MSRP

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

$315.00

This product was last offered at the strikethrough price on
10-26-2026

$283.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3551608 - 0B5325330AKT2 - DSG Automatic Transmission Service Kit - Without Fluid - Includes a magnetic drain/fill plug, DSG trans filter, DSG cooling filter and gaskets to service your transmission - Assembled By ECS - Audi

Includes a magnetic drain/fill plug, DSG trans filter, DSG cooling filter and gaskets to service your transmission 10X Entries Into Our F80 M3 Sweepstakes
Fits from the 2011 model year (2010 model year has cooling filter built-in to cooling line)

Brand:
Assembled By ECS - Corporate Logo
ES#:
3551608
Mfg#:
0B5325330AKT2
In Stock
ON SALE!
$107.99

This product was last offered at the strikethrough price on
07-14-2026

$105.69 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#2102806 - 06E105323T - Driving Disk - Located between the torque converter and the crankshaft - Also known as the 'Flex Plate' - Genuine Volkswagen Audi - Audi

Located between the torque converter and the crankshaft - Also known as the 'Flex Plate'

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2102806
Mfg#:
06E105323T
Ships in 8 Business Days
11% off MSRP

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

$934.99

This product was last offered at the strikethrough price on
08-13-2026

$833.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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. 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2966690
Mfg#:
034-505-2019
Ships in 2 Business Days
$117.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3194737 - 4H0498625AKT5 - Wheel Bearing Kit - Pair - Includes both bearings with axle & securing bolts - Vaico - Audi

Includes both bearings with axle & securing bolts We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3194737
Mfg#:
4H0498625AKT5
Ships in 1 Business Day
$841.99

This product was last offered at the strikethrough price on
05-07-2026

$817.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4339719 - NCV23031 - Rear Axle Assembly - Priced Each - Complete driveshaft with CV joints; ready for installation - GSP North America - Audi

Complete driveshaft with CV joints; ready for installation For vehicles without Torque Vectoring differentials from the 2013 model year

Brand:
GSP North America - Corporate Logo
ES#:
4339719
Mfg#:
NCV23031
Ships in 2 Business Days
$203.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
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. 2X Entries Into Our F80 M3 Sweepstakes

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
ES#3660796 - n10037105ktKT7 - Rear Differential Service Kit - Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. - Assembled By ECS - Audi

Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. 10X Entries Into Our F80 M3 Sweepstakes
For vehicles without Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
3660796
Mfg#:
N10037105KTKT7
In Stock
$98.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#472040 - N91148901 - Hex Bolt - Priced Each - M12x1.5x60 - Install new hardware with your new parts - Genuine Volkswagen Audi - Audi

M12x1.5x60 - Install new hardware with your new parts Secures the engine mounts to the brackets

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472040
Mfg#:
N91148901
In Stock
13% off MSRP

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

$6.90

This product was last offered at the strikethrough price on
11-01-2026

$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2628422 - 4H0498625AKT1 - Wheel Bearing Kit - Pair - Includes both bearings with axle & securing bolts - Genuine Volkswagen Audi - Audi

Includes both bearings with axle & securing bolts

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2628422
Mfg#:
4H0498625AKT1
Ships in 2 Business Days
$814.26

This product was last offered at the strikethrough price on
08-31-2026

$771.46 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3991436 - BFI8KSTG2-KIT - BFI B8 Engine Mount Kit (W/Trans Insert) - Stage 2 - Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi. - Black Forest Industries - Audi

Total solution for replacing and upgrading your notoriously weak stock engine mounts for your B8 / B8.5 Audi.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3991436
Mfg#:
BFI8KSTG2-KIT
Ships on Nov 23, 2026
$759.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4830393 - CTS-TM-B8-65D - Sport Transmission Mount - Upgrade is designed to enhance the performance and power delivery  with a stiffer 65A mount - CTS - Audi

Upgrade is designed to enhance the performance and power delivery with a stiffer 65A mount

Brand:
CTS - Corporate Logo
ES#:
4830393
Mfg#:
CTS-TM-B8-65D
In Stock
ON SALE! SAVE 15%
$34.99

This product was last offered at the strikethrough price on
09-29-2026

$29.74 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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