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Audi A4 Differential Parts

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Allen Bolt - Priced Each

ES#260073 - N0147236 - Allen Bolt - Priced Each - Install new hardware with your new parts. M10x30 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M10x30 Secures the input flange shaft housing to the differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
260073
Mfg#:
N0147236
Ships in 1-2 days
$5.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

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!

For vehicles with Torque Vectoring rear differentials

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

Tapered Roller Bearing

ES#267217 - 01E409123 - Tapered Roller Bearing - Keep your differential free from noise - Genuine Volkswagen Audi - Audi

Keep your differential free from noise Fits right side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
267217
Mfg#:
01E409123
Special Order: No Guaranteed ETA
7% off MSRP

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

$148.99

This product was last offered at the strikethrough price on
07-18-2026

$138.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Axle Flange Seal - Right

ES#3464834 - 0B4409400D - Front Axle Flange Seal - Right - Seals the connection between the axle flange and transmission - Corteco - Audi

Seals the connection between the axle flange and transmission Seals the right side axle flange for vehicles with 6-Speed manual transmission

Brand:
Corteco - Corporate Logo
ES#:
3464834
Mfg#:
0B4409400D
In Stock
$10.28 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#423940 - 857525275 - Driveshaft Flange Seal - Seals the propeller shaft flange to the rear differential - Genuine Volkswagen Audi - Audi Volkswagen

Seals the propeller shaft flange to the rear differential

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
423940
Mfg#:
857525275
Ships in 1-2 days
6% 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
07-18-2026

$130.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Propeller Shaft Gasket

ES#3287255 - 95B521142 - Propeller Shaft Gasket - Located between the driveshaft and the front & rear differentials - Genuine Porsche - Audi Porsche

Located between the driveshaft and the front & rear differentials

Brand:
Genuine Porsche - Corporate Logo
ES#:
3287255
Mfg#:
95B521142
Ships in 2 Business Days
$42.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Right

ES#268105 - 01V409399 - Axle Flange Seal - Right - Seals the connection between the axle flange and transmission - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the axle flange and transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268105
Mfg#:
01V409399
Ships in 2 Business Days
7% off MSRP

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

$133.99

This product was last offered at the strikethrough price on
07-18-2026

$124.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing

ES#2622568 - 113517185C - Tapered Roller Bearing - Keep your differential free from noise - SKF - Audi Volkswagen

Keep your differential free from noise Fits left side

Brand:
SKF - Corporate Logo
ES#:
2622568
Mfg#:
113517185C
In Stock at Vendor
$41.99

This product was last offered at the strikethrough price on
07-14-2026

$37.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#3647632 - g052145s2ktKT4 - 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 For vehicles with 0AR final drive (2007-2008)

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3647632
Mfg#:
G052145S2KTKT4
In Stock
$110.99

This product was last offered at the strikethrough price on
02-24-2026

$108.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Axle Flange Seal - Priced Each

ES#2623081 - 02D409399 - Axle Flange Seal - Priced Each - Fits the left and right side - Corteco - Audi

Fits the left and right side CVT transmissions only

Brand:
Corteco - Corporate Logo
ES#:
2623081
Mfg#:
02D409399
Ships in 1 Business Day
$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug

ES#2538236 - 016409399BKT - Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug - Complete kit with Motul Gear 300 fluid to service your rear differential - Assembled By ECS - Audi Volkswagen

Complete kit with Motul Gear 300 fluid to service your rear differential 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
2538236
Mfg#:
016409399BKT
Ships on Oct 5, 2026
Auto Notify
ON SALE!
$110.99

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

$106.62 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Tapered Roller Bearing

ES#290474 - 113517185B - Tapered Roller Bearing - Keep your differential free from noise - Genuine Volkswagen Audi - Audi Volkswagen

Keep your differential free from noise Fits left side

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
290474
Mfg#:
113517185B
Ships in 4 Business Days
6% off MSRP

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

$109.99

This product was last offered at the strikethrough price on
07-18-2026

$102.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Left

ES#2951334 - 01L409399 - Axle Flange Seal - Left - Seals the connection between the axle flange and transmission - SKF - Audi Volkswagen

Seals the connection between the axle flange and transmission

Brand:
SKF - Corporate Logo
ES#:
2951334
Mfg#:
01L409399
In Stock at Vendor
$16.42 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Left

ES#5812 - 01L409399 - Axle Flange Seal - Left - Seals the connection between the axle flange and transmission - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the axle flange and transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5812
Mfg#:
01L409399
Ships in 2 Business Days
7% off MSRP

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

$104.99

This product was last offered at the strikethrough price on
07-18-2026

$97.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Priced Each

ES#2622570 - 016409399B - Axle Flange Seal - Priced Each - Fits the left and right side - Rein - Audi Volkswagen

Fits the left and right side 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
Manual transmissions only

Brand:
Rein - Corporate Logo
ES#:
2622570
Mfg#:
016409399B
Ships in 1 Business Day
$8.99

This product was last offered at the strikethrough price on
04-08-2026

$8.15 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Lower Mount Bushing

ES#450896 - 8K0599381G - 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 Up to production date 4/27/2009

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450896
Mfg#:
8K0599381G
Ships in 8 Business Days
9% off MSRP

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

$93.99

This product was last offered at the strikethrough price on
07-18-2026

$85.99 USD
Free Shipping
on orders $49 and up
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.

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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