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Audi S4 Differential Service Kits

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

ES#2593489 - 0AR409399BKT1 - Rear Differential Service Kit - With ECS Magnetic Drain/Fill Plugs - Complete kit with Redline 75w90 GL-5 fluid to service your rear differential - Assembled By ECS - Audi

Complete kit with Redline 75w90 GL-5 fluid to service your rear differential 10X Entries Into Our F80 M3 Sweepstakes
For vehicles without Torque Vectoring differentials

Brand:
Assembled By ECS - Corporate Logo
ES#:
2593489
Mfg#:
0AR409399BKT1
Ships in 6 Business Days
ON SALE! SAVE 20%
$128.65

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

$103.48 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2538236
Mfg#:
016409399BKT
Ships in 6 Business Days
ON SALE!
$110.99

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

$109.68 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Rear Differential Refresh Kit

ES#2538466 - 017525400AKT - Rear Differential Refresh Kit - Complete kit to refresh your tired rear differential - Assembled By ECS - Audi

Complete kit to refresh your tired rear differential 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2538466
Mfg#:
017525400AKT
Back Ordered
ON SALE!
$138.99

This product was last offered at the strikethrough price on
06-16-2026

$130.79 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

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Manufacturer names and/or part numbers are used only for identification purposes.

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