Shop Our Clearance Sale - Up To 80% Off FREE SHIPPING on Orders $49+ *exclusions apply

Menu

Call Us330-331-2003 ChatLive Chat Text Us!
0 Shopping Cart
Your Vehicle

No Vehicle selected
Please select your vehicle below.

    • Audi
    • BMW
    • Mercedes Benz
    • MINI
    • Porsche
    • Volkswagen

Saved Vehicles

My Vehicles
You currently have no stored vehicles.

Recent Vehicles

Recent Vehicles Manage Vehicles

You currently have no recent vehicles.

We'll automatically keep fully selected vehicles here for your convenience.

Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
0
Call Us330-331-2003 ChatLive Chat Text Us!
Track My Order View Order History Submit a Return Contact Us Wholesale Information Lifetime Replacement Returns and Warranty Information
Cancel
0
Sales & Specials
Enter Your Vehicle
garage-red
Your Vehicle Please tap 'Select' to pick a vehicle
Your Vehicle Please tap 'Select' to pick a vehicle
Select

Audi Differential Parts

Sort By
Filter By
Return to Top

Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions

ES#3221076 - 019797ecs01KT - Rear Differential Mount Insert Kit (3 Inserts) - Front and Rear Positions - 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 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3221076
Mfg#:
019797ECS01KT
In Stock
ON SALE! SAVE 25%
$185.97

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

$139.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Front Limited Slip Differential

ES#2836967 - 18309170WK - Front Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For models with 01E 6-Speed manual transmission only

Brand:
Wavetrac - Corporate Logo
ES#:
2836967
Mfg#:
18309170WK
Ships in 2 Business Days
$1515.99 USD
Free Shipping

Manual Transmission Fluid - 1 Liter

ES#1293544 - G055532A2 - Manual Transmission Fluid - 1 Liter - Check your owners manual for service intervals - Genuine Volkswagen Audi - Audi

Check your owners manual for service intervals affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
To be used for Transfer Case (Center Diff) fluid on 7-speed S-tronic (DSG) transmission - Total capacity 4.5 liters

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1293544
Mfg#:
G055532A2
In Stock
$34.39 USD
Free Shipping
on orders $49 and up

Front Bevel Box

ES#4142257 - 0CP409053R - Front Bevel Box - Please contact with VIN to verify correct fitment - Genuine Volkswagen Audi - Audi

Please contact with VIN to verify correct fitment affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits from production date 04/2020

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4142257
Mfg#:
0CP409053R
Ships in 2 Business Days
4% off MSRP

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

$4434.99

This product was last offered at the strikethrough price on
06-05-2026

$4246.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Differential Mount Insert Kit

ES#3509529 - 034-505-2020 - Billet Aluminum Rear Differential Mount Insert Kit - Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! - 034Motorsport - Audi

Limits movement of factory rear diff mounts, increasing drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3509529
Mfg#:
034-505-2020
In Stock
$154.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stainless Steel Magnetic Drain/Fill Plug - Priced Each

ES#2992215 - 010974ECS01 - Stainless Steel Magnetic Drain/Fill Plug - Priced Each - Capture harmful particles to prevent wear. M10x1x10 - ECS - Audi Volkswagen

Capture harmful particles to prevent wear. 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:
ECS - Corporate Logo
ES#:
2992215
Mfg#:
010974ECS01
In Stock
ON SALE! SAVE 35%
$34.99

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

$22.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Helical Limited Slip Differential

ES#2795291 - MF-TRS-05GTI5 - Helical Limited Slip Differential - Put all your power to the ground! - Team MFactory - Audi Volkswagen

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Any defects or warranty clams will have to go directly to Team M Factory
For vehicles with 02Q 6-Speed manual transmission only

Brand:
Team MFactory - Corporate Logo
ES#:
2795291
Mfg#:
MF-TRS-05GTI5
Ships in 6 Business Days
$799.99 USD
Free Shipping

Haldex Service Kit - With Service Tools

ES#4349928 - g060175a2ktKT5 - Haldex Service Kit - With Service Tools - Includes genuine haldex fluid and drain/fill plug along with the correct service tools. - Assembled By ECS - Audi Volkswagen

Includes genuine haldex fluid and drain/fill plug along with the correct service tools. 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#:
4349928
Mfg#:
G060175A2KTKT5
Ships in 9 Business Days
Auto Notify
ON SALE!
$174.99

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

$159.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Axle Oil - 1 Liter

ES#465421 - G055190A2 - Axle Oil - 1 Liter - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465421
Mfg#:
G055190A2
In Stock
$52.39 USD
Free Shipping
on orders $49 and up

Differential Bolt Kit

ES#248552 - 204-3003 - Differential Bolt Kit - A must when replacing the differential in your 6-speed manual transmission - ARP - Audi Volkswagen

A must when replacing the differential in your 6-speed manual transmission affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ARP - Corporate Logo
ES#:
248552
Mfg#:
204-3003
In Stock at Vendor
$219.99

This product was last offered at the strikethrough price on
05-22-2026

$219.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8/C7 Center Differential Delete - NO WELDING NEEDED

ES#4375353 - 012535LA01 - B8/C7 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that

Brand:
ECS - Corporate Logo
ES#:
4375353
Mfg#:
012535LA01
Ships on Jul 6, 2026
Auto Notify
ON SALE! SAVE 20%
$443.99

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

$355.19 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Gen 4 Haldex filter kit

ES#2826162 - HALDEX.111358 - Gen 4 Haldex filter kit - Keep your Haldex system safe with clean, filtered fluid - Haldex - Audi Volkswagen

Keep your Haldex system safe with clean, filtered fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Haldex - Corporate Logo
ES#:
2826162
Mfg#:
HALDEX.111358
Ships in 1 Business Day
$93.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Center Differential Service Kit

ES#3658485 - g055145a2KT - Center Differential Service Kit - Fluid and plug to service your transfer case/center differential on your automatic Audi - Genuine Volkswagen Audi - Audi

Fluid and plug to service your transfer case/center differential on your automatic Audi affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with 6-speed automatic transmission only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3658485
Mfg#:
G055145A2KT
In Stock
$170.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Rear Limited Slip Differential

ES#4841457 - 10309192WK - Rear Limited Slip Differential - Put all your power to the ground! - Wavetrac - Audi Volkswagen

Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
4841457
Mfg#:
10309192WK
Ships in 2 Business Days
$1195.00 USD
Free Shipping
on orders $49 and up

Wavetrac® Front Limited Slip Differential

ES#4030925 - 18.309.155WK - Wavetrac Front Limited Slip Differential - Stage of the art Wavetrac torque biasing differential for your Audi DQ500 transmission - Put all your power to the ground! - Wavetrac - Audi

Stage of the art Wavetrac® torque biasing differential for your Audi DQ500 transmission - Put all your power to the ground! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
4030925
Mfg#:
18.309.155WK
Back Ordered
10% off MSRP

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

$1995.00

This product was last offered at the strikethrough price on
06-05-2026

$1785.99 USD
Free Shipping

M24x1.5mm Magnetic Drain/Fill Plug - Each

ES#3660327 - 000920ECS01 - M24x1.5mm Magnetic Drain/Fill Plug - Each - Capture harmful particles to prevent wear. M24x1.5 - ECS - Audi BMW Volkswagen Porsche

Capture harmful particles to prevent wear. M24x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Manual transmission vehicles only

Brand:
ECS - Corporate Logo
ES#:
3660327
Mfg#:
000920ECS01
In Stock
ON SALE! SAVE 40%
$41.99

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

$25.19 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.

Other Audi Differential Parts

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.

Terms of Use Privacy Policy ECS Tuning is part of Enthusiast Auto Holdings