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Audi RS3 8V (2018+) 2.5T

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Audi RS3 8V (2018+) 2.5T Rear Differential Parts

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Rear Differential Service Kit

ES#4164354 - g052145s22KT - Rear Differential Service Kit - Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and a drain/fill plug - Genuine Volkswagen Audi - Audi Volkswagen

Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and a drain/fill plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
4164354
Mfg#:
G052145S22KT
In Stock
$41.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Build Your Own Rear Differential Service Kit

Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and 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#:
4414611
Mfg#:
317011KT2
In Stock
ON SALE!
Starting at $20.47 USD
Customize
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

TTRS / RS3 Rear Final Drive Differential Assembly

ES#3707176 - 0CR525010S - TTRS / RS3 Rear Final Drive Differential Assembly - Connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. - Genuine Volkswagen Audi - Audi

Connecting Drive Shaft to Axle Shafts that allows for varied speeds of wheel rotation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3707176
Mfg#:
0CR525010S
Ships in 7 Business Days
11% off MSRP

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

$7807.14

This product was last offered at the strikethrough price on
06-19-2026

$6979.58 USD

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%
$191.97

This product was last offered at the strikethrough price on
06-13-2026

$143.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Polyurethane Rear Subframe & Rear Differential Mount Insert Kit

ES#3432267 - 019860ECS03-03KT - Polyurethane Rear Subframe & Rear Differential Mount Insert Kit - Enhance driving dynamics and increase drivetrain rigidity and performance with our Rear End Bushing Insert Kit - ECS - Audi Volkswagen

Enhance driving dynamics and increase drivetrain rigidity and performance with our Rear End Bushing 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#:
3432267
Mfg#:
019860ECS03-03KT
In Stock
ON SALE! SAVE 10%
$265.99

This product was last offered at the strikethrough price on
06-13-2026

$239.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit With Magnetic Plugs

ES#4414610 - 200212KT - Rear Differential Service Kit With Magnetic Plugs - Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and magnetic drain/fill plugs - Assembled By ECS - Audi Volkswagen

Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and 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#:
4414610
Mfg#:
200212KT
In Stock
ON SALE! SAVE 30%
$98.99

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

$69.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Drain/Fill Plug - Priced Each

ES#469442 - N90281802 - Drain/Fill Plug - Priced Each - Commonly found as a drain or fill plug. M10x1x10 - Genuine Volkswagen Audi - Audi Volkswagen

Commonly found as a drain or fill plug. M10x1x10 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
469442
Mfg#:
N90281802
In Stock
25% off MSRP

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

$3.99

This product was last offered at the strikethrough price on
06-19-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Magnetic Rear Differential Drain Plug Kit

ES#4493108 - 034-504-Z021 - Magnetic Rear Differential Drain Plug Kit - Prevent excessive wear to the internal components of your rear differential - 034Motorsport - Audi Volkswagen

Prevent excessive wear to the internal components of your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4493108
Mfg#:
034-504-Z021
In Stock
$36.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

WaveTrac Differential - Rear

ES#4620121 - 18.309.190WK - WaveTrac Differential - Rear - Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. - Wavetrac - Audi

Wavetrac is the only gear diff on the market that does not lose all drive when one axle is unloaded. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Wavetrac - Corporate Logo
ES#:
4620121
Mfg#:
18.309.190WK
Ships in 2 Business Days
$1695.00 USD
Free Shipping
on orders $49 and up

Rear Differential Mount Insert Kit (1 Insert) - Front Position

ES#3432408 - 019797ecs01-01KT - Rear Differential Mount Insert Kit (1 Insert) - Front Position - 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#:
3432408
Mfg#:
019797ECS01-01KT
In Stock
ON SALE! SAVE 25%
$63.99

This product was last offered at the strikethrough price on
06-13-2026

$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Service Kit With Magnetic Plugs

ES#4414596 - 317011KT1 - Rear Differential Service Kit With Magnetic Plugs - Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and magnetic drain/fill plugs - Assembled By ECS - Audi Volkswagen

Service kit for your rear differential. One liter of Synthetic Gear Oil 75w90 and 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#:
4414596
Mfg#:
317011KT1
In Stock
Auto Notify
ON SALE! SAVE 24%
$88.99

This product was last offered at the strikethrough price on
01-03-2026

$67.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Magnetic Differential Plug Set - Rear

ES#4324982 - VWR180003 - Magnetic Differential Plug Set - Rear - Keep your differential protected - Racingline - Audi Volkswagen

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

Brand:
Racingline - Corporate Logo
ES#:
4324982
Mfg#:
VWR180003
Ships in 1 Business Day
$37.99 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!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4688635
Mfg#:
N90281802
In Stock
ON SALE! SAVE 37%
$3.99

This product was last offered at the strikethrough price on
01-01-2026

$2.51 USD
Free Shipping
on orders $49 and up

Rear Diff Bushing Installation Kit

ES#3493551 - 019860ECS02KT - Rear Diff Bushing Installation Kit - All the necessary TTY hardware required when installing rear-most differential bushings - Genuine Volkswagen Audi - Audi Volkswagen

All the necessary TTY hardware required when installing rear-most differential bushings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3493551
Mfg#:
019860ECS02KT
In Stock
$121.99

This product was last offered at the strikethrough price on
05-04-2026

$118.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

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