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Audi C4 S4 Quattro 20v T

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Audi C4 S4 Quattro 20v T Drivetrain Parts & Accessories

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Rear Differential Refresh Kit

ES#2538466 - 017525400AKT - Rear Differential Refresh Kit - Complete kit to refresh your tired rear differential - Assembled By ECS - Audi

Complete kit to refresh your tired rear differential 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2538466
Mfg#:
017525400AKT
Back Ordered
ON SALE!
$138.99

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

$130.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Front Wheel Bearing Kit - Priced Each (82mm)

ES#3245879 - 4B0498625A - Front Wheel Bearing Kit - Priced Each (82mm) - Fits the left and right side - Febi - Audi Volkswagen

Fits the left and right side We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3245879
Mfg#:
4B0498625A
Special Order: No Guaranteed ETA
$50.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Inner CV Joint Boot Kit - Priced Each

ES#2869834 - 251598201A - Front Inner CV Joint Boot Kit - Priced Each - Stop losing CV grease and extend axle joint life - Febi - Audi

Stop losing CV grease and extend axle joint life We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2869834
Mfg#:
251598201A
Special Order: No Guaranteed ETA
$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Wheel Bearing Kit - Pair (82MM)

ES#3245881 - 4b0498625aKT3 - Front Wheel Bearing Kit - Pair (82MM) - Includes both bearings, axle bolts, and self locking nuts - Febi - Audi Volkswagen

Includes both bearings, axle bolts, and self locking nuts We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
3245881
Mfg#:
4B0498625AKT3
Back Ordered
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Inner CV Joint Boot Kit - Priced Each

ES#2803247 - 251598201 - Front Inner CV Joint Boot Kit - Priced Each - Stop losing CV grease and extend axle joint life - Rein - Audi

Stop losing CV grease and extend axle joint life 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2803247
Mfg#:
251598201
Back Ordered
$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Inner CV Joint Boot Kit - Pair

Stop losing CV grease and extend axle joint life

Brand:
Febi - Corporate Logo
ES#:
5491223
Mfg#:
251598201AKT
Back Ordered
$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Remanufactured Front Axle Assembly - Right

Includes a $200 refundable core charge

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2777742
Mfg#:
4A0407452GXKT
Back Ordered
$797.99

This product was last offered at the strikethrough price on
09-03-2026

$794.99 USD
This product is lifetime replacement eligible Partial Replacement

Front Inner CV Joint Boot Kit - Pair

Stop losing CV grease and extend axle joint life 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5491224
Mfg#:
251598201ARKT
Back Ordered
$45.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

6.5 Liter Fluid Extractor

ES#2841122 - 011885SCH01A - 6.5 Liter Fluid Extractor - Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Extract all types of oils and fluids the easy way. Do your oil change without getting under your car! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2841122
Mfg#:
011885SCH01A
Ships in 8 Business Days
ON SALE! SAVE 16%
$106.99

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

$89.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

3-Liter Multi-functional Filler System

ES#2774836 - 007311SCH01A - 3-Liter Multi-functional Filler System - Complete Euro ATF/Oil/DSG filling system and Brake bleeding system all in one kit. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Complete Euro ATF/Oil/DSG filling system and Brake bleeding system all in one kit. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
2774836
Mfg#:
007311SCH01A
Ships in 8 Business Days
ON SALE! SAVE 12%
$113.99

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

$99.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

10.5 Liter Fluid Extractor

ES#4424004 - LCB446SCH - 10.5 Liter Fluid Extractor - Extract all types of oils and fluids the easy way with more capacity! Do your oil change without getting under the car with over 10 liters of fluid capacity. - Schwaben - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

Extract all types of oils and fluids the easy way with more capacity! Do your oil change without getting under the car with over 10 liters of fluid capacity. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Schwaben - Corporate Logo
ES#:
4424004
Mfg#:
LCB446SCH
In Stock
ON SALE! SAVE 15%
$135.99

This product was last offered at the strikethrough price on
07-31-2026

$115.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Manual Transmission / Differential Fluid 75w90 - 1 Liter

ES#3170913 - 20012 - Manual Transmission / Differential Fluid 75w90 - 1 Liter - Fully synthetic GL4+ gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Fully synthetic GL4+ gear oil, for use on the street or the track 10X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3170913
Mfg#:
20012
In Stock
25% off MSRP

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

$23.99

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

$17.95 USD
Free Shipping
on orders $49 and up

Fluid Extractor - Bavarian Autosport

ES#3673862 - B8800001 - Fluid Extractor - Bavarian Autosport - 10 Liter, inserts into dip stick tube. - Bav Auto Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

10 Liter, inserts into dip stick tube. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Bav Auto Tools - Corporate Logo
ES#:
3673862
Mfg#:
B8800001
Ships on Oct 21, 2026
ON SALE! SAVE 15%
$171.99

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

$146.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

MTL Manual Transmission Fluid 75w80 - 1 Quart

ES#1502 - RL MTL - MTL Manual Transmission Fluid 75w80 - 1 Quart - GL-4 gear oil that may allow for faster shifts than standard 75w90 fluid - Redline - Audi BMW Volkswagen MINI

GL-4 gear oil that may allow for faster shifts than standard 75w90 fluid

Brand:
Redline - Corporate Logo
ES#:
1502
Mfg#:
RL MTL
In Stock
$25.49 USD
Free Shipping
on orders $49 and up

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.

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Manufacturer names and/or part numbers are used only for identification purposes.

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