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Audi A4 Differential Parts

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ES#3170913 - 20012 - Manual Transmission / Differential Fluid 75w90 - 1 Liter - 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#:
3170913
Mfg#:
20012
In Stock
34% off MSRP

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

$21.95

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

$14.39 USD
Free Shipping
on orders $49 and up
ES#4142893 - 22090 - Fully Synthetic Gear Oil 75w90 - 1 Liter - High performance GL4/5 gear oil for extended oil change intervals and extreme loads - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

High performance GL4/5 gear oil for extended oil change intervals and extreme loads 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#:
4142893
Mfg#:
22090
In Stock
36% off MSRP

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

$28.95

This product was last offered at the strikethrough price on
06-02-2026

$18.45 USD
Free Shipping
on orders $49 and up
ES#4766 - G052145S2 - Synthetic Gear Oil 75w90 - 1 Liter - Keep your gears quiet and smooth with new fluid - Genuine Volkswagen Audi - Audi Volkswagen

Keep your gears quiet and smooth with new fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4766
Mfg#:
G052145S2
In Stock
$35.79 USD
Free Shipping
on orders $49 and up
ES#2992521 - 008288ecs01KT -  Complete Rear Differential Mount Insert Kit - Increase drivetrain rigidity and response! - ECS - Audi Porsche

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992521
Mfg#:
008288ECS01KT
In Stock
ON SALE! SAVE 40%
$192.99

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

$115.79 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#261741 - 317811 - Motul Gear 300 Manual Transmission / Differential Fluid (75w-90) - 1 Liter - Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use - Motul - Audi BMW Volkswagen MINI Porsche

Fully synthetic GL-4 / GL-5 gear oil, designed for high performance use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Motul - Corporate Logo
ES#:
261741
Mfg#:
317811
In Stock
7% off MSRP

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

$29.11

This product was last offered at the strikethrough price on
06-02-2026

$26.99 USD
Free Shipping
on orders $49 and up
ES#3097986 - 008288ecs01KT1 -  Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5 - Decrease slop; Increase drivetrain rigidity and response! - ECS - Audi
ECS Tuning recommends this product.

Decrease slop; Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097986
Mfg#:
008288ECS01KT1
Ships on Jul 10, 2026
Auto Notify
ON SALE! SAVE 40%
$306.99

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

$184.18 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#10752 - 8352257904 - Manual Transmission / Differential Fluid 75w90 - 57904 - 1 Quart - For use in front and rear limited slip differentials, as well as some manual transmissions - Redline - Audi BMW Volkswagen Porsche

For use in front and rear limited slip differentials, as well as some manual transmissions affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
10752
Mfg#:
8352257904
In Stock
$25.99 USD
Free Shipping
on orders $49 and up
ES#465418 - G055145A2 - Gear Oil - 1 Liter - Keep your gears quiet and smooth with new fluid - Genuine Volkswagen Audi - Audi

Keep your gears quiet and smooth with new fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
465418
Mfg#:
G055145A2
Ships in 1 Business Day
$135.01 USD
Free Shipping
ES#4758817 - G052190A2 - 75W-85 Differential Oil - 1 Liter - One (1) Liter Bottle - MB 235.7 / MB 239.7 Spec - Fuchs - Audi Mercedes Benz

One (1) Liter Bottle - MB 235.7 / MB 239.7 Spec affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Fuchs - Corporate Logo
ES#:
4758817
Mfg#:
G052190A2
In Stock
45% off MSRP

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

$59.00

This product was last offered at the strikethrough price on
06-02-2026

$32.46 USD
Free Shipping
on orders $49 and up
ES#2975804 - 034-509-6000 - Drivetrain Mounts Insert Package - Complete mount insert set - 034Motorsport - Audi

Complete mount insert set affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
2975804
Mfg#:
034-509-6000
In Stock
$294.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2730494 - 003248ECS01A - Performance Rear Differential Mount - Audi B5 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2730494
Mfg#:
003248ECS01A
In Stock
ON SALE! SAVE 30%
$238.99

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

$167.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2992520 - 008288ECS02 -  Rear Bushing Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992520
Mfg#:
008288ECS02
In Stock
ON SALE! SAVE 35%
$112.99

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

$73.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2538104 - 000857ECS01A - Magnetic Drain/Fill Plug - Priced Each - Capture harmful particles to prevent wear. M22x1.5 - ECS - Audi Volkswagen Porsche

Capture harmful particles to prevent wear. M22x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2538104
Mfg#:
000857ECS01A
Ships on Aug 14, 2026
Auto Notify
ON SALE! SAVE 40%
$39.99

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

$23.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2992519 - 008288ECS01 -  Front Position Rear Differential Mount Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi Porsche

Decrease differential slop for better drivetrain response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2992519
Mfg#:
008288ECS01
In Stock
ON SALE! SAVE 40%
$93.99

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

$56.39 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2717984 - 003249ECS01 - Performance Rear Differential Mount - Audi B6/B7 A4/S4 - Increase drivetrain rigidity and response! - ECS - Audi

Increase drivetrain rigidity and response! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
2717984
Mfg#:
003249ECS01
Ships in 1-2 days
ON SALE!
$230.99

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

$224.06 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
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 3 Business Days
$1515.99 USD
Free Shipping

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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