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Audi B5 A4 Quattro V6 12v

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Audi B5 A4 Quattro V6 12v Differential Parts

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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 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#:
2538236
Mfg#:
016409399BKT
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 15%
$110.99

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

$94.10 USD
Free Shipping
This product is lifetime replacement eligible Partial 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
2622570
Mfg#:
016409399B
Ships in 2 Business Days
$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

Tapered Roller Bearing - Priced Each

ES#3023258 - 002517185M - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 46x75x18 - SKF - Audi Volkswagen Porsche

Keep your differential free from noise - 46x75x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Manual transmission vehicles only

Brand:
SKF - Corporate Logo
ES#:
3023258
Mfg#:
002517185M
Back Ordered
$33.99

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

$32.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing

ES#4141447 - 113517185B - Tapered Roller Bearing - Keep your differential free from noise - NTN - Audi Volkswagen

Keep your differential free from noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side

Brand:
NTN - Corporate Logo
ES#:
4141447
Mfg#:
113517185B
Ships in 1-2 days
$56.99

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

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

Tapered Roller Bearing

ES#2879387 - 113517185B - Tapered Roller Bearing - Keep your differential free from noise - Vaico - Audi Volkswagen

Keep your differential free from noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Fits left side

Brand:
Vaico - Corporate Logo
ES#:
2879387
Mfg#:
113517185B
In Stock at Vendor
$45.99

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

$44.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#3438898 - 018409399B - Driveshaft Flange Seal - Seals the propeller shaft flange to the transmission differential - DPH - Audi Volkswagen

Seals the propeller shaft flange to the transmission differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
DPH - Corporate Logo
ES#:
3438898
Mfg#:
018409399B
Ships in 2 Business Days
$11.18 USD
Free Shipping
on orders $49 and up
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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
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
05-07-2026

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing

Keep your differential free from noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side

Brand:
SKF - Corporate Logo
ES#:
4141450
Mfg#:
113517185B
Ships in 2 Business Days
$41.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing

Keep your differential free from noise affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Fits left side

Brand:
FAG - Corporate Logo
ES#:
4141448
Mfg#:
113517185B
Back Ordered
$41.99

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

$40.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seal

ES#4389793 - 016409399B - Seal - SKF - Audi Volkswagen

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
SKF - Corporate Logo
ES#:
4389793
Mfg#:
016409399B
Ships in 5 Business Days
$9.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Synthetic Gear Oil - GL-5 75w90 - 1 Liter

ES#2872900 - G052145A1 - Synthetic Gear Oil - GL-5 75w90 - 1 Liter - Synthetic fluid to keep your gears running smooth - Febi - Audi BMW Volkswagen

Synthetic fluid to keep your gears running smooth affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2872900
Mfg#:
G052145A1
Back Ordered
$22.99 USD
Free Shipping
on orders $49 and up

Axle Flange Seal - Left

ES#2622453 - 01L409399 - Axle Flange Seal - Left - Seals the connection between the axle flange and transmission - ZF - Audi Volkswagen

Seals the connection between the axle flange and transmission We Price Match - Give Us A Call or Chat! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ZF - Corporate Logo
ES#:
2622453
Mfg#:
01L409399
Ships in 1-2 days
$21.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Priced Each

ES#2865467 - 016409399B - Axle Flange Seal - Priced Each - Fits the left and right side - Febi - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
2865467
Mfg#:
016409399B
Ships on Sep 8, 2026
$8.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Priced Each

ES#2800912 - 016409399B - Axle Flange Seal - Priced Each - Fits the left and right side - Meistersatz - Audi Volkswagen

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

Brand:
Meistersatz - Corporate Logo
ES#:
2800912
Mfg#:
016409399B
Ships in 4 Business Days
$6.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Washer - Priced Each

ES#1299762 - N0115609 - Washer - Priced Each - Install new hardware with your new parts. 10.5x18x1.6 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. 10.5x18x1.6 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Used in securing the rear differential to the subframe

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1299762
Mfg#:
N0115609
In Stock
Limited Qty Sale
$3.99

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

$1.99 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.

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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