Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle Clear

Audi B6 A4 Quattro 1.8T

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Audi B6 A4 Quattro 1.8T
Your Vehicle Audi B6 A4 Quattro 1.8T
Change Clear

Audi B6 A4 Quattro 1.8T Drivetrain Parts & Accessories

Sort By
Filter By
Return to Top

Rear Differential Carrier Mount Bushing Insert Kit

ES#3132752 - 018327ECS01 - Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

Decrease differential slop for better drivetrain response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$113.99

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

$85.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Flange Shaft Bolt - Priced Each

ES#2766096 - N90441103 - Front Flange Shaft Bolt - Priced Each - Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 - ECS - Audi Volkswagen

Zinc plated, 8mm Allen-head bolt secures the axle assembly to the transmission. M10x20 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2766096
Mfg#:
N90441103
In Stock
ON SALE! SAVE 25%
$2.99

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

$2.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Propeller Shaft Assembly

ES#3190433 - 936-650 - Propeller Shaft Assembly - Includes the commonly worn center bearing - Dorman - Audi

Includes the commonly worn center bearing Automatic & 6-speed manual transmission vehicles only

Brand:
Dorman - Corporate Logo
ES#:
3190433
Mfg#:
936-650
Ships in 4 Business Days
$852.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends*

ES#2748767 - n90917801kt - Manual Transmission Service Kit with Magnetic Drain/Fill Plugs - *ECS Recommends* - Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 - Assembled By ECS - Audi Volkswagen

Featuring 3 Quarts of Redline MT-90 fluid and ECS Magnetic Drain Plug and Fill plugs to service your transmission. M24x1.5 10X Entries For Our 25th Anniversary Sweepstakes!
5-speed transmissions only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2748767
Mfg#:
N90917801KT
In Stock
ON SALE! SAVE 16%
$153.99

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

$129.96 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear Axle Assembly - Priced Each

ES#4339599 - NCV23024 - Rear Axle Assembly - Priced Each - Fits left and right side - GSP North America - Audi

Fits left and right side Up To VIN 8E-3-134000, split is in the 2003 model year

Brand:
GSP North America - Corporate Logo
ES#:
4339599
Mfg#:
NCV23024
In Stock
ON SALE!
$173.99

This product was last offered at the strikethrough price on
06-25-2026

$165.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Stage 4 Extreme Clutch Kit

ES#3098862 - k70205fssxKT - Stage 4 Extreme Clutch Kit - Designed for extreme power that needs to be put to the wheels. Conservatively rated at 525+ ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for extreme power that needs to be put to the wheels. Conservatively rated at 525+ ft/lbs.

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098862
Mfg#:
K70205FSSXKT
Ships in 1 Business Day
$1629.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Twin Disc Clutch Kit - Race/Street - Steel Flywheel

ES#3178125 - 02027-TD7S-S - Twin Disc Clutch Kit - Race/Street - Steel Flywheel - 725 Series Twin Disc Clutch Kit - 1 ceramic rigid disc, and 1 fiber tuff rigid disc - Includes steel flywheel - Clutch Masters - Audi

725 Series Twin Disc Clutch Kit - 1 ceramic rigid disc, and 1 fiber tuff rigid disc - Includes steel flywheel

Brand:
Clutch Masters - Corporate Logo
ES#:
3178125
Mfg#:
02027-TD7S-S
Ships in 7 Business Days
$1609.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Twin Disc Clutch Kit - Race/Street - Aluminum Flywheel

ES#3178128 - 02027-TD7S-A - Twin Disc Clutch Kit - Race/Street - Aluminum Flywheel - 725 Series Twin Disc Clutch Kit - 1 ceramic rigid disc, and 1 fiber tuff rigid disc - Includes aluminum flywheel - Clutch Masters - Audi

725 Series Twin Disc Clutch Kit - 1 ceramic rigid disc, and 1 fiber tuff rigid disc - Includes aluminum flywheel

Brand:
Clutch Masters - Corporate Logo
ES#:
3178128
Mfg#:
02027-TD7S-A
Ships in 7 Business Days
$1609.99 USD
Free Shipping

Front Wheel Bearing And Hub Assembly Kit - With Service Tools

ES#4362117 - 017617ECS01KT1 - Front Wheel Bearing And Hub Assembly Kit - With Service Tools - Includes the left and right side bearing and hub pressed together for you! - Assembled By ECS - Audi

Includes the left and right side bearing and hub pressed together for you! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4362117
Mfg#:
017617ECS01KT1
In Stock
ON SALE! SAVE 18%
$374.92

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

$307.17 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Center Support Bearing Carrier

Holds the driveshaft where it should be. For vehicles with 02X or 5HP19 transmission (6 speed manual or 5 speed automatic)

Brand:
JXB Performance - Corporate Logo
ES#:
4304978
Mfg#:
B6003A0
Ships in 3 Business Days
Starting at $299.99 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing - Priced Each

ES#2575442 - 8E0598625 - Rear Wheel Bearing - Priced Each - Fits the left and right side - FAG - Audi

Fits the left and right side

Brand:
FAG - Corporate Logo
ES#:
2575442
Mfg#:
8E0598625
In Stock
$75.37

This product was last offered at the strikethrough price on
07-24-2026

$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Wavetrac Rear Differential

ES#4266266 - 18-309-180WK - Wavetrac Rear Differential - Upgrade your vehicles differential! - Wavetrac - Audi

Upgrade your vehicles differential!

Brand:
Wavetrac - Corporate Logo
ES#:
4266266
Mfg#:
18-309-180WK
Special Order: No Guaranteed ETA
$1495.00 USD
Free Shipping
on orders $49 and up

RA4 240mm Clutch Conversion Kit - Stage 3

ES#5490 - B6A4RA4S3-STEEL - RA4 240mm Clutch Conversion Kit - Stage 3 - The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc - ECS - Audi

The Ultimate - Lightweight flywheel with the RS4 Stage 3 pressure plate and disc 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5490
Mfg#:
B6A4RA4S3-STEEL
Ships on Oct 5, 2026
Auto Notify
$1442.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

BFI Heavy Weight Shift Knob - Full Billet

ES#3022023 - GS1 - BFI Heavy Weight Shift Knob - Full Billet - Weighing in at approximately 250 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time. - Black Forest Industries - Audi Volkswagen

Weighing in at approximately 250 grams the added inertial mass makes shifting effort substantially less while speeding up the process at the same time.

Brand:
Black Forest Industries - Corporate Logo
ES#:
3022023
Mfg#:
GS1
Ships on Aug 13, 2026
Auto Notify
$119.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Axle Assembly - Priced Each

ES#3074093 - NCV23626 - 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 From VIN 8E-3-134001, split is in th 2003 model year

Brand:
GSP North America - Corporate Logo
ES#:
3074093
Mfg#:
NCV23626
In Stock
$107.99 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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings