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Audi B8/B8.5 S4 Quattro 3.0T

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

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Rear Differential Service Kit

ES#3660793 - n90281802ktKT - 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 Volkswagen

Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
3660793
Mfg#:
N90281802KTKT
In Stock
ON SALE!
$53.99

This product was last offered at the strikethrough price on
04-24-2026

$52.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Screw - Priced Each

ES#472243 - WHT000237A - Screw - Priced Each - Secures the wheel bearing to the spindle. M12x1.5x45 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the wheel bearing to the spindle. M12x1.5x45

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472243
Mfg#:
WHT000237A
In Stock
11% off MSRP

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

$15.98

This product was last offered at the strikethrough price on
07-27-2026

$14.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI GS2 Heavy Weight Shift Knob - Machined Finish - Air Leather

Weighing in at approximately 215 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time.

Brand:
Black Flag
ES#:
4840384
Mfg#:
GS2MA
Ships on Aug 18, 2026
Starting at $184.99 USD
Customize
Free Shipping
on orders $49 and up
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.

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

Engine Mount - Left

ES#2541739 - 8R0199381AD - Engine Mount - Left - Eliminate excessive engine vibrations - Genuine Volkswagen Audi - Audi

Eliminate excessive engine vibrations From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2541739
Mfg#:
8R0199381AD
Ships in 1 day
8% off MSRP

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

$570.00

This product was last offered at the strikethrough price on
07-27-2026

$521.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Engine Mount - Right

ES#2541740 - 8R0199381AE - Engine Mount - Right - Eliminate excessive engine vibrations - Genuine Volkswagen Audi - Audi

Eliminate excessive engine vibrations From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2541740
Mfg#:
8R0199381AE
Ships in 3 Business Days
8% off MSRP

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

$569.99

This product was last offered at the strikethrough price on
07-27-2026

$521.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Clutch Disc

ES#289129 - 0B4141031 - Clutch Disc - Revive your slipping clutch - Genuine Volkswagen Audi - Audi

Revive your slipping clutch

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289129
Mfg#:
0B4141031
In Stock
9% off MSRP

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

$563.99

This product was last offered at the strikethrough price on
07-27-2026

$515.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Clutch Pressure Plate

ES#289131 - 0B4141117A - Clutch Pressure Plate - Recommended to be replaced with every clutch job - Genuine Volkswagen Audi - Audi

Recommended to be replaced with every clutch job

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
289131
Mfg#:
0B4141117A
Ships in 1 day
9% off MSRP

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

$561.99

This product was last offered at the strikethrough price on
07-27-2026

$513.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sport Transmission Mount

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
Ships in 7 Business Days
ON SALE! SAVE 15%
$34.99

This product was last offered at the strikethrough price on
07-10-2026

$29.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

DSG Automatic Transmission Service Kit

ES#2550884 - 0B5325429EKT - DSG Automatic Transmission Service Kit - Includes a new filter, gasket, plugs, and fluid to service your transmission - Genuine Volkswagen Audi - Audi

Includes a new filter, gasket, plugs, and fluid to service your transmission For vehicles up through the 2010 model year only.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2550884
Mfg#:
0B5325429EKT
Ships on Nov 5, 2026
Auto Notify
$722.99

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

$500.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

APR DL501 S-Tronic TCU Software Upgrade

ES#4070800 - DPP-DL501-3.0T - APR DL501 S-Tronic TCU Software Upgrade - Enhanced launch control, optimized shift points, and much more! - APR - Audi

Enhanced launch control, optimized shift points, and much more! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
*For models with 7-Speed S-Tronic (DL501) Transmission* - Direct-Port only - This upgrade requires the v

Brand:
APR - Corporate Logo
ES#:
4070800
Mfg#:
DPP-DL501-3.0T
In Stock
$499.99 USD
This product is lifetime replacement eligible Lifetime Replacement

APR DL501 S-Tronic TCU Software Upgrade

ES#2975802 - DPP-DL501-40TKT - APR DL501 S-Tronic TCU Software Upgrade - Enhanced launch control, optimized shift points, and much more! - APR - Audi

Enhanced launch control, optimized shift points, and much more! Call In Or Chat For Best Price! 5X Entries For Our 25th Anniversary Sweepstakes!
*For models with 7-Speed S-Tronic (DL501) Transmission* This upgrade requires the vehicle to be dropped o

Brand:
APR - Corporate Logo
ES#:
2975802
Mfg#:
DPP-DL501-40TKT
In Stock
$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount

ES#2577247 - 8K0599287J - Rear Differential Mount - Also known as the cross member - Genuine Volkswagen Audi - Audi

Also known as the cross member

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2577247
Mfg#:
8K0599287J
Ships in 6 Business Days
9% off MSRP

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

$546.99

This product was last offered at the strikethrough price on
07-27-2026

$499.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

COBB Knob - Stealth Black

ES#3096284 - 2V1350-BK - COBB Knob - Stealth Black - Lightweight Delrin knob for smooth and fast gear changes! - CobbTuning - Audi Volkswagen

Lightweight Delrin knob for smooth and fast gear changes!

Brand:
CobbTuning - Corporate Logo
ES#:
3096284
Mfg#:
2V1350-BK
In Stock
$99.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

DSG Transmission cooling Filter

ES#2084973 - 0B5325330A - DSG Transmission cooling Filter - Recommended to be serviced every 40k miles - Genuine Volkswagen Audi - Audi

Recommended to be serviced every 40k miles Fits from the 2011 model year (2010 model year has filter built-in to cooling line)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2084973
Mfg#:
0B5325330A
In Stock
12% off MSRP

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

$34.77

This product was last offered at the strikethrough price on
06-21-2026

$30.58 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Carrier Mount Bushing - Priced Each

ES#450894 - 8K0599257N - Rear Carrier Mount Bushing - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450894
Mfg#:
8K0599257N
Ships in 4 Business Days
9% off MSRP

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

$88.99

This product was last offered at the strikethrough price on
07-27-2026

$80.99 USD
Free Shipping
on orders $49 and up
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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