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Audi B8 Differential Parts

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Transfer Case Service Kit

ES#2628535 - G052145S2KT3 - Transfer Case Service Kit - Fluid and plugs to keep your fluid running clean - Genuine Volkswagen Audi - Audi

Fluid and plugs to keep your fluid running clean affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits 6-speed automatic transmissions - 8-speed automatic transmission from production date 11/1/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2628535
Mfg#:
G052145S2KT3
Ships in 1-2 days
$105.99

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

$83.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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

ES#2593489 - 0AR409399BKT1 - Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plugs - Complete kit with Redline 75w90 GL-5 fluid to service your rear differential - Assembled By ECS - Audi

Complete kit with Redline 75w90 GL-5 fluid to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593489
Mfg#:
0AR409399BKT1
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 23%
$128.65

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

$98.96 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Axle Flange Seal - Priced Each

ES#1894525 - 0AR409399B - Axle Flange Seal - Priced Each - Fits the left & right side - Genuine Volkswagen Audi - Audi

Fits the left & right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the left & right rear axle flange for vehicle with basic differentials

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1894525
Mfg#:
0AR409399B
In Stock
24% off MSRP

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

$34.18

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

$25.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Leak Repair Kit

ES#2593503 - 02D525596BKT - Rear Differential Leak Repair Kit - Complete kit with OE fluid to service your rear differential - Genuine Volkswagen Audi - Audi Volkswagen

Complete kit with OE fluid to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Torque Vectoring differentials

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2593503
Mfg#:
02D525596BKT
Ships in 1 day
$257.99

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

$253.99 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Axle Flange Seal - Priced Each

ES#2707342 - 02D525596F - Axle Flange Seal - Priced Each - Stop leaks from your differential - Genuine Volkswagen Audi - Audi Volkswagen

Stop leaks from your differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits the left & right side for vehicles with Torque Vectoring differentials

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2707342
Mfg#:
02D525596F
Ships in 1 day
9% off MSRP

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

$116.99

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

$105.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing - Priced Each

ES#4841529 - 002517185K - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 46x75x18 - Genuine Volkswagen Audi - Audi Volkswagen

Keep your differential free from noise - 46x75x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles only up to production date 8/15/2011

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4841529
Mfg#:
002517185K
Ships in 1 day
9% 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
02-26-2026

$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing - Priced Each

ES#4680245 - 002517185M - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 46x75x18 - NTN - Audi Volkswagen

Keep your differential free from noise - 46x75x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles only up to production date 8/15/2011

Brand:
NTN - Corporate Logo
ES#:
4680245
Mfg#:
002517185M
Ships in 1 day
$66.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Lower Mount Bushing Insert - Street

ES#4869768 - PFR3-741 - Rear Differential Lower Mount Bushing Insert - Street - This is an insert to fit into the original bushing to minimize the movement of the diff under acceleration. - Powerflex - Audi

This is an insert to fit into the original bushing to minimize the movement of the diff under acceleration. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
From production date 4/28/2009

Brand:
Powerflex - Corporate Logo
ES#:
4869768
Mfg#:
PFR3-741
Ships in 1 Business Day
$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Transmission Plug With Seal

ES#266932 - 018321377B - Transmission Plug With Seal - Stop leaks and replace a stripped plug - Genuine Volkswagen Audi - Audi

Stop leaks and replace a stripped plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Drain plug for vehicles with 6-speed automatic transmission

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
266932
Mfg#:
018321377B
Ships in 1 day
15% off MSRP

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

$25.99

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

$21.99 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 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! SAVE 49%
$4.89

This product was last offered at the strikethrough price on
12-15-2025

$2.51 USD
Free Shipping
on orders $49 and up

Plug With Seal - Priced Each

ES#268084 - 01V409057 - Plug With Seal - Priced Each - Install new hardware when performing service. M18x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware when performing service. M18x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Automatic transmission vehicles only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
268084
Mfg#:
01V409057
Ships in 1 day
15% off MSRP

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

$40.99

This product was last offered at the strikethrough price on
02-04-2026

$34.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Bushing Insert Kit - Black

ES#4620266 - 80A505235S - Rear Differential Carrier Bushing 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#:
4620266
Mfg#:
80A505235S
Ships in 10 Business Days
$99.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#3980570 - G0521KT - Rear Differential Service Kit - Includes synthetic gear oil (G052145S2) and drain/fill plugs - Genuine Volkswagen Audi - Audi

Includes synthetic gear oil (G052145S2) and drain/fill plugs affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 6-speed automatic transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3980570
Mfg#:
G0521KT
Ships in 1-2 days
$105.99

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

$83.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Front Differential Service Kit

ES#3980568 - G052145S2KT4 - Front Differential Service Kit - Includes synthetic gear oil (G052145S2) and drain/fill plugs with seals - Genuine Volkswagen Audi - Audi

Includes synthetic gear oil (G052145S2) and drain/fill plugs with seals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 6-speed automatic transmissions

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3980568
Mfg#:
G052145S2KT4
Ships in 1 day
$93.99

This product was last offered at the strikethrough price on
02-04-2026

$92.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 7-speed DSG transmissions

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

Quattro Ultra Service Kit

Includes Genuine Fluid and Two (2) Stainless Steel Magnetic Drain/Fill Plugs 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#:
5445320
Mfg#:
G055515A2KT1
In Stock
ON SALE! SAVE 15%
$105.99

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

$89.92 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial 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

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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