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Audi Differential Parts

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Gen 4 Haldex Filter Kit

ES#3579569 - 0BR525558 - Gen 4 Haldex Filter Kit - Keep your Haldex system safe with clean, filtered fluid - Vaico - Audi Volkswagen

Keep your Haldex system safe with clean, filtered fluid Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
We Price Match - Give Us A Call or Chat!

Brand:
Vaico - Corporate Logo
ES#:
3579569
Mfg#:
0BR525558
Ships in 1 Business Day
$113.99

This product was last offered at the strikethrough price on
06-22-2026

$80.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount Insert Kit (1 Insert) - Front Position

ES#3432408 - 019797ecs01-01KT - Rear Differential Mount Insert Kit (1 Insert) - Front Position - Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit - ECS - Audi Volkswagen

Launch harder and improve your 0-60 times with our Rear Diff. Mount Insert Kit 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ECS - Corporate Logo
ES#:
3432408
Mfg#:
019797ECS01-01KT
In Stock
ON SALE! SAVE 25%
$63.99

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

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Insert Kit

ES#2873006 - 034-505-2015 - Rear Differential Carrier Mount Insert Kit - Installation is very simple, can be performed in minutes, and is completely reversible. - 034Motorsport - Audi

Installation is very simple, can be performed in minutes, and is completely reversible. 2X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
034Motorsport - Corporate Logo
ES#:
2873006
Mfg#:
034-505-2015
In Stock
$123.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#468698 - N10640301 - Hex Bolt - Priced Each - Install new hardware with your new parts. M12x1.5x100 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M12x1.5x100 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468698
Mfg#:
N10640301
In Stock
30% off MSRP

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

$12.60

This product was last offered at the strikethrough price on
10-26-2026

$8.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#2592852 - N0138503KT1 - Rear Differential Service Kit - Complete kit with Genuine Audi 75w90 fluid to service your rear differential - Genuine Volkswagen Audi - Audi

Complete kit with Genuine Audi 75w90 fluid to service your rear differential Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2592852
Mfg#:
N0138503KT1
In Stock
$54.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Front Left Differential Flanged Output Shaft - 0D6 Transmission

ES#4057874 - 0D6409355A - Front Left Differential Flanged Output Shaft - 0D6 Transmission - Factory OEM front left (driver side) differential flanged stub shaft. - Genuine Volkswagen Audi - Audi

Factory OEM front left (driver side) differential flanged stub shaft. Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4057874
Mfg#:
0D6409355A
Ships in 8 Business Days
10% off MSRP

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

$670.99

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

$603.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#3659102 - n10037106KT6 - Rear Differential Service Kit - Complete kit with Redline 75w90 fluid with OEM Drain/Fill plugs to service your rear differential - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with OEM Drain/Fill plugs to service your rear differential 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
3659102
Mfg#:
N10037106KT6
In Stock
ON SALE!
$86.99

This product was last offered at the strikethrough price on
10-26-2026

$85.83 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

2WD 02E DSG Differential Bearing Kit

ES#4164363 - 10-309-185BK - 2WD 02E DSG Differential Bearing Kit - 2WD 02E DSG Differential Bearing Kit - Will work on Wavetrac 185WK and 187WK - Wavetrac - Audi Volkswagen

2WD 02E DSG Differential Bearing Kit - Will work on Wavetrac 185WK and 187WK Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Wavetrac - Corporate Logo
ES#:
4164363
Mfg#:
10-309-185BK
Ships in 2 Business Days
$84.99 USD
Free Shipping
on orders $49 and up

Front Axle Flange Seal - Left

ES#2501297 - 0AW409399 - Front Axle Flange Seal - Left - Seals the connection between the axle flange and transmission - Genuine Volkswagen Audi - Audi

Seals the connection between the axle flange and transmission Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
Seals the left side axle flange for vehicles with 6-Speed manual transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2501297
Mfg#:
0AW409399
Ships in 3 Business Days
8% off MSRP

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

$52.99

This product was last offered at the strikethrough price on
10-05-2026

$48.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Flange Seal - Priced Each

ES#2763762 - 02M301189G - 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 Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For the left side

Brand:
Corteco - Corporate Logo
ES#:
2763762
Mfg#:
02M301189G
In Stock
$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#3660793 - n90281802ktKT - Rear Differential Service Kit - Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
For vehicles with Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
3660793
Mfg#:
N90281802KTKT
In Stock
ON SALE!
$52.87 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

ARP LSD Bolt Kit - 02A / 02J Transmission Only

ES#263764 - 204-3002 - ARP LSD Bolt Kit - 02A / 02J Transmission Only - A must when replacing the LSD in your 5-speed - ARP - Audi Volkswagen

A must when replacing the LSD in your 5-speed Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
ARP - Corporate Logo
ES#:
263764
Mfg#:
204-3002
In Stock at Vendor
$88.99

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

$81.30 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Carrier Mount Bushing - Priced Each

ES#450894 - 8K0599257N - Rear Carrier Mount Bushing - Priced Each - Fits left and right side - Genuine Volkswagen Audi - Audi

Fits left and right side Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450894
Mfg#:
8K0599257N
Ships in 1-2 days
10% off MSRP

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

$88.99

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

$79.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Haldex Differential Plug Set

ES#4324981 - VWR180002 - Magnetic Haldex Differential Plug Set - Keep your differentials and transfer box protected - Racingline - Audi Volkswagen

Keep your differentials and transfer box protected Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Racingline - Corporate Logo
ES#:
4324981
Mfg#:
VWR180002
Back Ordered
ON SALE! SAVE 10%
$37.99

This product was last offered at the strikethrough price on
10-26-2026

$34.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit - With Service Tools

ES#4361552 - N90281802KTKT4 - Rear Differential Service Kit - With Service Tools - Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. - Assembled By ECS - Audi Volkswagen

Complete kit with Redline 75w90 fluid with ECS stainless steel magnetic plugs and seals to service your rear differential. 10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

Brand:
Assembled By ECS - Corporate Logo
ES#:
4361552
Mfg#:
N90281802KTKT4
Ships on Feb 26, 2027
ON SALE! SAVE 17%
$161.99

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

$134.22 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear differential lower Mount Bushing

ES#450897 - 8K0599381H - Rear differential lower Mount Bushing - Located under the rear differential towards the front - Genuine Volkswagen Audi - Audi

Located under the rear differential towards the front Earn 5% back in ECS Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply
From production date 4/28/2009

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450897
Mfg#:
8K0599381H
Ships in 3 Business Days
10% off MSRP

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

$111.99

This product was last offered at the strikethrough price on
10-26-2026

$100.99 USD
Free Shipping
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.

Other Audi Differential Parts

Let us help you find the parts that fit your Audi

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

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