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Audi A4 Drivetrain Parts & Accessories

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Rear Differential Carrier Mount Insert Kit - Black

ES#4620258 - 8K0599257N - Rear Differential Carrier Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620258
Mfg#:
8K0599257N
In Stock
$67.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft

ES#450864 - 8K0521101 - Driveshaft - Includes the commonly worn center bearing - Genuine Volkswagen Audi - Audi

Includes the commonly worn center bearing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission up to production date 05/31/2010

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450864
Mfg#:
8K0521101
Ships in 7 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.

$1872.99

This product was last offered at the strikethrough price on
02-26-2026

$1792.99 USD
This product is lifetime replacement eligible Lifetime Replacement

JHM Aluminum Lightweight Flywheel

Weighs 7 to 10 lbs less compared to the OEM! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Must use B8 S4-S5 clutch kit

Brand:
JH Motorsports - Corporate Logo
ES#:
4045998
Mfg#:
B8A4520TLWFW
Ships in 10 Business Days
$1750.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Shifter Rebuild Kit - Selector Shaft

ES#451040 - 8K0798151 - Shifter Rebuild Kit - Selector Shaft - All bushings & hardware for the selector shaft - Genuine Volkswagen Audi - Audi

All bushings & hardware for the selector shaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
451040
Mfg#:
8K0798151
In Stock
8% off MSRP

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

$139.99

This product was last offered at the strikethrough price on
02-26-2026

$128.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Left

ES#4147692 - 8E0407271AT - Front Axle Assembly - Left - Complete driveshaft with CV joints; ready for installation - TrakMotive - Audi

Complete driveshaft with CV joints; ready for installation affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from VIN 8E-3-390,000 - Split is in the 2003 model year

Brand:
TrakMotive - Corporate Logo
ES#:
4147692
Mfg#:
8E0407271AT
Ships in 1 Business Day
$137.99

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

$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
$173.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
Ships on Jul 17, 2026
Auto Notify
ON SALE! SAVE 35%
$110.99

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

$72.14 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Insert Kit - Black

ES#4620269 - 8K0599381H - Rear Differential Mount Insert Kit - Black - Enhance your driving experience by filling the bushing void. - JH Motorsports - Audi

Enhance your driving experience by filling the bushing void. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JH Motorsports - Corporate Logo
ES#:
4620269
Mfg#:
8K0599381H
Ships in 1 Business Day
$58.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each

ES#4414249 - 017145LA01 - ECS Magnetic Differential Oil Drain Plug - M16x1.5 - Priced Each - Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear - ECS - Audi Volkswagen Porsche

Monitor the condition of your differential at each service and remove harmful metallic contaminants from imposing premature wear affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

For axle code letter HNL, HNP, JKN

Brand:
ECS - Corporate Logo
ES#:
4414249
Mfg#:
017145LA01
Ships on Nov 3, 2026
ON SALE! SAVE 35%
$40.99

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

$26.64 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Might-As-Well-Be-Gated Kit

ES#4419866 - B8029A1 - Might-As-Well-Be-Gated Kit - This combo all but eliminates shifter slop and flex under load. - JXB Performance - Audi

This combo all but eliminates shifter slop and flex under load. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
JXB Performance - Corporate Logo
ES#:
4419866
Mfg#:
B8029A1
In Stock at Vendor
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Neutral Safety Switch - 10 Pin

ES#4023705 - 01V919821B - Neutral Safety Switch - 10 Pin - Located on the side of the transmission - Vemo - Audi Volkswagen

Located on the side of the transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From VIN 8D-Y-200001, split is in the 2000 model year

Brand:
Vemo - Corporate Logo
ES#:
4023705
Mfg#:
01V919821B
In Stock at Vendor
$174.99

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

$169.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Replacement Hardware Kit - priced each

ES#2766118 - N90441103KT1 - Axle Replacement Hardware Kit - priced each - Complete hardware kit for replacing an axle - Assembled By ECS - Audi

Complete hardware kit for replacing an axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2766118
Mfg#:
N90441103KT1
In Stock
ON SALE! SAVE 27%
$25.99

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

$19.01 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Flywheel

ES#1598534 - 0B1105266AG - Flywheel - Does not include hardware (280mm) - Genuine Volkswagen Audi - Audi

Does not include hardware (280mm) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits pre-facelift models up through 2012 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1598534
Mfg#:
0B1105266AG
Ships in 7 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.

$1764.99

This product was last offered at the strikethrough price on
02-26-2026

$1689.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Assembly - Left

ES#3074042 - NCV23518 - Axle Assembly - Left - Replace your worn or broken axle - GSP North America - Audi

Replace your worn or broken axle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits automatic transmission models only

Brand:
GSP North America - Corporate Logo
ES#:
3074042
Mfg#:
NCV23518
Ships in 3 Business Days
$150.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Assembly - Priced Each

ES#2589799 - 8K0407271AL - Front Axle Assembly - Priced Each - Brand new unit without core charge - Genuine Volkswagen Audi - Audi

Brand new unit without core charge affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From the 2013 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2589799
Mfg#:
8K0407271AL
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.

$1875.71

This product was last offered at the strikethrough price on
06-03-2026

$1652.03 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Wheel Bearing Kit - Priced Each (75mm)

ES#1488 - 8D0598625A - Rear Wheel Bearing Kit - Priced Each (75mm) - Fits the left and right side - FAG - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
FAG - Corporate Logo
ES#:
1488
Mfg#:
8D0598625A
In Stock
$40.99 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.

Let us help you find the parts that fit your Audi

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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