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Audi 8V S3 Quattro 2.0T Sedan

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Audi 8V S3 Quattro 2.0T Sedan Differential Parts

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Drain/Fill Plug - Priced Each

ES#4688635 - N90281802 - Drain/Fill Plug - Priced Each - Commonly found as a drain or fill plug. M10x1x10 - Bremmen Parts - Audi Volkswagen

Commonly found as a drain or fill plug. M10x1x10 10X Entries For Our 25th Anniversary Sweepstakes!

Used as both the drain and fill plug for the Haldex AWD unit

Brand:
Bremmen Parts - Corporate Logo
ES#:
4688635
Mfg#:
N90281802
In Stock
ON SALE!
$2.64

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

$2.51 USD
Free Shipping
on orders $49 and up

Rear Diff Bushing Installation Kit

ES#3493551 - 019860ECS02KT - Rear Diff Bushing Installation Kit - All the necessary TTY hardware required when installing rear-most differential bushings - Genuine Volkswagen Audi - Audi Volkswagen

All the necessary TTY hardware required when installing rear-most differential bushings

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3493551
Mfg#:
019860ECS02KT
In Stock
$122.99

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

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Bushing - Front Position - Race

ES#3218727 - PFR85-524B - Rear Differential Bushing - Front Position - Race - Stiffen up your driveline and improve response time with 95A durometer polyurethane - Powerflex Black Series - Audi Volkswagen

Stiffen up your driveline and improve response time with 95A durometer polyurethane

Brand:
Powerflex Black Series - Corporate Logo
ES#:
3218727
Mfg#:
PFR85-524B
Ships in 1 Business Day
$51.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Flange Seal - Priced Each

ES#3450010 - 02Q409189A - Front Axle Flange Seal - Priced Each - Seals the connection between the axle flange and transmission - Corteco - Audi Volkswagen

Seals the connection between the axle flange and transmission For the right side

Brand:
Corteco - Corporate Logo
ES#:
3450010
Mfg#:
02Q409189A
In Stock
$6.11 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Long Hex Bit Socket - 5mm

ES#4337599 - CTA8545 - Long Hex Bit Socket - 5mm - 2-piece construction for high torque applications - CTA Tools - Audi BMW Volkswagen Mercedes Benz MINI Porsche

2-piece construction for high torque applications

Brand:
CTA Tools - Corporate Logo
ES#:
4337599
Mfg#:
CTA8545
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Haldex Performance Controller - Gen 5 (MQB)

Increase traction from your Haldex system

Brand:
Haldex - Corporate Logo
ES#:
5339558
Mfg#:
HALDEX.2022060
Ships in 2 Business Days
$1143.99 USD
Free Shipping
on orders $49 and up

RUBB MOUNT

ES#4148607 - 5Q0599437 - RUBB MOUNT - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4148607
Mfg#:
5Q0599437
Ships in 1 day
7% off MSRP

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

$59.99

This product was last offered at the strikethrough price on
07-20-2026

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RUBB MOUNT

ES#4148608 - 5Q0599438 - RUBB MOUNT - Genuine Volkswagen Audi - Audi

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4148608
Mfg#:
5Q0599438
Ships in 3 Business Days
11% off MSRP

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

$27.99

This product was last offered at the strikethrough price on
07-20-2026

$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Priced Each

ES#5340397 - 0CQ525596A - Axle Flange Seal - Priced Each - Fits the left and right side - Elring - Audi

Fits the left and right side 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Elring - Corporate Logo
ES#:
5340397
Mfg#:
0CQ525596A
Special Order: No Guaranteed ETA
$15.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Flange Seal - Priced Each

Seals the connection between the axle flange and transmission 2X Entries For Our 25th Anniversary Sweepstakes!
For the left side

Brand:
Elring - Corporate Logo
ES#:
5340944
Mfg#:
02M301189G
Special Order: No Guaranteed ETA
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Differential Service Kit

Silence the whine and restore your driveline’s precision

Brand:
Vaico - Corporate Logo
ES#:
5456815
Mfg#:
V10-000355
Special Order: No Guaranteed ETA
$407.99 USD
This product is lifetime replacement eligible Lifetime Replacement

More About Differential Parts

Stock or limited-slip, we stock bearings, repair parts, complete differential units, and approved differential fluids so you can keep sending power to the axles without noise, harshness, or vibration.

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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