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Audi B9 A4 Quattro 2.0T

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Audi B9 A4 Quattro 2.0T Drivetrain Parts & Accessories

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Motul High Performance DCT Fluid - 1L

ES#4899260 - 110440 - Motul High Performance DCT Fluid - 1L - DSG Transmissions are recommended to be serviced every 40k miles - Motul - Audi Volkswagen

DSG Transmissions are recommended to be serviced every 40k miles

Brand:
Motul - Corporate Logo
ES#:
4899260
Mfg#:
110440
In Stock
10% off MSRP

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

$30.97

This product was last offered at the strikethrough price on
10-09-2026

$27.87 USD
Free Shipping
on orders $49 and up

Genuine Quattro Ultra Service Kit

ES#5445322 - G055515A2KT3 - Genuine Quattro Ultra Service Kit - Includes Genuine Fluid and Two (2) Drain/Fill Plugs - Genuine Volkswagen Audi - Audi

Includes Genuine Fluid and Two (2) Drain/Fill Plugs

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5445322
Mfg#:
G055515A2KT3
Ships on Nov 4, 2026
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Audi B9 Billet Tunnel Brace - Black

ES#3476922 - 023781ECS01-01 - Audi B9 Billet Tunnel Brace - Black - Replace your small and weak stamped brace with heavy-duty billet aluminum! - ECS - Audi

Replace your small and weak stamped brace with heavy-duty billet aluminum! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3476922
Mfg#:
023781ECS01-01
In Stock
ON SALE! SAVE 20%
$168.99

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

$135.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Flywheel Bolt - Priced Each

ES#4214734 - WHT009773 - Flywheel Bolt - Priced Each - Secures the flywheel to crankshaft. M10X1X22.3 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the flywheel to crankshaft. M10X1X22.3

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4214734
Mfg#:
WHT009773
In Stock
24% off MSRP

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

$10.10

This product was last offered at the strikethrough price on
10-09-2026

$7.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Bearing - Priced Each

ES#4768472 - 8W0407625G - Wheel Bearing - Priced Each - Fits the left and right side - OPTITEC - Audi

Fits the left and right side

Brand:
OPTITEC
ES#:
4768472
Mfg#:
8W0407625G
Ships in 1 Business Day
$98.99

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

$90.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing/Hub Assembly - Priced each

ES#4708021 - 8W0407625JKT - Rear Wheel Bearing/Hub Assembly - Priced each - Replace the right or left side and includes hardware - Genuine Volkswagen Audi - Audi

Replace the right or left side and includes hardware

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4708021
Mfg#:
8W0407625JKT
Ships in 1-2 days
$918.99

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

$905.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Wheel Bearing/Hub Assembly Kit - Rear

ES#4708020 - 8W0501652DKT - Wheel Bearing/Hub Assembly Kit - Rear - Replaces both Right and Left side with hardware. - Genuine Volkswagen Audi - Audi

Replaces both Right and Left side with hardware.

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4708020
Mfg#:
8W0501652DKT
Ships in 1-2 days
$1837.99

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

$1810.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Drive Axle - Right or Left

ES#4501123 - 8W0407271M - Front Drive Axle - Right or Left - Complete replacement axle shaft assembly - Genuine Volkswagen Audi - Audi

Complete replacement axle shaft assembly For vehicles with manual transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4501123
Mfg#:
8W0407271M
Ships in 4 Business Days
4% off MSRP

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

$1880.00

This product was last offered at the strikethrough price on
10-09-2026

$1810.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

AWD Four-Wheel Coupling / Clutch Assembly

ES#4657061 - 0CJ409431G001 - AWD Four-Wheel Coupling / Clutch Assembly - Often referred to as the transfer case clutchis the critical component responsible for seamlessly managing torque delivery between the transmission and the driveline - Genuine Volkswagen Audi - Audi

Often referred to as the transfer case clutch—is the critical component responsible for seamlessly managing torque delivery between the transmission and the driveline

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4657061
Mfg#:
0CJ409431G001
Ships in 1-2 days
4% off MSRP

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

$1748.99

This product was last offered at the strikethrough price on
10-09-2026

$1674.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Bushing Insert Kit

ES#3161730 - 019208ecs01KT - Rear Differential Mount Bushing Insert Kit - Decrease differential bushing deflection for better drivetrain response! - ECS - Audi

Decrease differential bushing deflection for better drivetrain response! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
3161730
Mfg#:
019208ECS01KT
In Stock
ON SALE!
$129.99

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

$126.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Drive Axle Shoulder Bolt - Priced Each

ES#436918 - 8E0407643A - Drive Axle Shoulder Bolt - Priced Each - Secures the axle assembly to the hub. M16x1.5x72 - Genuine Volkswagen Audi - Audi Volkswagen

Secures the axle assembly to the hub. M16x1.5x72

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
436918
Mfg#:
8E0407643A
In Stock
$7.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Full Synthetic DSG Fluid - 1L

ES#4810016 - G055529A2 - Full Synthetic DSG Fluid - 1L - DSG Transmissions are recommended to be serviced every 40k miles - Pentosin - Audi Volkswagen

DSG Transmissions are recommended to be serviced every 40k miles

Brand:
Pentosin - Corporate Logo
ES#:
4810016
Mfg#:
G055529A2
In Stock
$31.99 USD
Free Shipping
on orders $49 and up

Engine Mount - Right

ES#4163956 - 8W0199372CQ - Engine Mount - Right - Eliminate excessive engine vibrations - Genuine Volkswagen Audi - Audi

Eliminate excessive engine vibrations

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4163956
Mfg#:
8W0199372CQ
Ships in 1-2 days
12% off MSRP

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

$401.99

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

$354.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flywheel

ES#3211815 - 0CS105266L - Flywheel - Does not include hardware (280mm) - Genuine Volkswagen Audi - Audi

Does not include hardware (280mm)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3211815
Mfg#:
0CS105266L
Ships in 3 Business Days
4% off MSRP

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

$1460.00

This product was last offered at the strikethrough price on
10-09-2026

$1405.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

BFI GS Manual Shift Knob Adapter - Black

ES#4044969 - 4234-033BG - BFI GS Manual Shift Knob Adapter - Black - A simple solution for fastening your GS style shift knob to your selector lever. - Black Forest Industries - Audi Volkswagen

A simple solution for fastening your GS style shift knob to your selector lever.

Brand:
Black Forest Industries - Corporate Logo
ES#:
4044969
Mfg#:
4234-033BG
In Stock
$34.99 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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