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Audi B6 Differential Parts

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Polyurethane Differential Cross Member Bushings - Pair

ES#4701647 - POW-071-75 - Polyurethane Differential Cross Member Bushings - Pair - Eliminate excessive rear differential movement! - Verkline - Audi

Eliminate excessive rear differential movement! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Verkline - Corporate Logo
ES#:
4701647
Mfg#:
POW-071-75
Back Ordered
$100.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#11957 - 01V409399A - Driveshaft Flange Seal - Seals the propeller shaft flange to the transmission differential - Genuine Volkswagen Audi - Audi

Seals the propeller shaft flange to the transmission differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 01V 409 809A flange part number

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
11957
Mfg#:
01V409399A
Ships in 1-2 days
$168.99

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

$163.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Performance Gear Oil (GL4+) SAE 75W-90 (20L JUG)

ES#3660870 - 20014 - High Performance Gear Oil (GL4+) SAE 75W-90 (20L JUG) - Fully synthetic GL4+ gear oil, for use on the street or the track - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz Porsche

Fully synthetic GL4+ gear oil, for use on the street or the track affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Liqui-Moly - Corporate Logo
ES#:
3660870
Mfg#:
20014
In Stock at Vendor
$489.99

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

$475.99 USD

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

ES#2580731 - 016409399BKT2 - Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plug - Complete kit with Redline 75w90 fluid to service your rear differential - Assembled By ECS - Audi

Complete kit with Redline 75w90 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#:
2580731
Mfg#:
016409399BKT2
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 18%
$135.99

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

$112.08 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Axle Flange Seal - Priced Each

ES#2804107 - 016409399B - Axle Flange Seal - Priced Each - Fits the left and right side - Elring - Audi Volkswagen

Fits the left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
2804107
Mfg#:
016409399B
In Stock
$4.07 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Heavy ShockProof Gear Oil - 1 Gallon

ES#2847972 - 58205 - Heavy ShockProof Gear Oil - 1 Gallon - For heavily-loaded racing differentials and transmissions, problem gearboxes - Redline - Audi BMW Volkswagen Mercedes Benz

For heavily-loaded racing differentials and transmissions, problem gearboxes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Custom Applications Only.

Brand:
Redline - Corporate Logo
ES#:
2847972
Mfg#:
58205
In Stock
$99.99 USD
Free Shipping
on orders $49 and up

Hightec TOPGEAR SAE 75W-90 S - 1 Liter

ES#5374135 - 25002-0010-99 - Hightec TOPGEAR SAE 75W-90 S - 1 Liter - Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes - ROWE - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Fully synthetic, multigrade gearbox oil of performance rating API GL-4/5 for multi-functional use in axle gears and manual gearboxes affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ROWE - Corporate Logo
ES#:
5374135
Mfg#:
25002-0010-99
In Stock
$15.99 USD
Free Shipping
on orders $49 and up

Axle Flange Seal - Priced Each

ES#3464831 - 0AR409399B - Axle Flange Seal - Priced Each - Fits the left & right side - Corteco - Audi

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

Brand:
Corteco - Corporate Logo
ES#:
3464831
Mfg#:
0AR409399B
In Stock
$12.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Tapered Roller Bearing - Priced Each

ES#1357033 - 01X409123 - Tapered Roller Bearing - Priced Each - Keep your differential free from noise - 50x80x20 - Genuine Porsche - Audi Porsche

Keep your differential free from noise - 50x80x20 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits left side - Manual transmission vehicles only

Brand:
Genuine Porsche - Corporate Logo
ES#:
1357033
Mfg#:
01X409123
Ships in 3 Business Days
$117.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#266988 - 018409399B - Driveshaft Flange Seal - Seals the propeller shaft flange to the transmission differential - Genuine Volkswagen Audi - Audi Volkswagen

Seals the propeller shaft flange to the transmission differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 01V 409 809 flange part number

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
266988
Mfg#:
018409399B
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.

$63.99

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

$57.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Axle Flange Seal - Right

ES#2622454 - 01V409399 - Axle Flange Seal - Right - 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#:
2622454
Mfg#:
01V409399
Ships in 1 Business Day
$40.67 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Mount

ES#2975894 - 8E0599125K - Rear Differential Mount - Used to secure the rear differential to the subframe - Hamburg Tech - Audi

Used to secure the rear differential to the subframe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2975894
Mfg#:
8E0599125K
Ships in 1 Business Day
$60.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Cross Member Bushings - Priced Each

ES#437306 - 8E0599257K - Rear Differential Cross Member Bushings - Priced Each - Fits the left and right side - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
437306
Mfg#:
8E0599257K
Ships in 1 day
10% off MSRP

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

$51.99

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

$46.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#3569205 - 857525275 - Driveshaft Flange Seal - Seals the propeller shaft flange to the rear differential - Elring - Audi Volkswagen

Seals the propeller shaft flange to the rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes! 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3569205
Mfg#:
857525275
In Stock
$19.99

This product was last offered at the strikethrough price on
02-23-2026

$16.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft Flange Seal

ES#2598103 - 01A409400B - Driveshaft Flange Seal - Seals the propeller shaft flange to the transmission differential - Corteco - Audi Volkswagen

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

Brand:
Corteco - Corporate Logo
ES#:
2598103
Mfg#:
01A409400B
Ships in 2 Business Days
$10.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit

ES#2678603 - N10037106KT3 - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2678603
Mfg#:
N10037106KT3
Ships in 1 day
$212.99 USD
Free Shipping
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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