Audi B8/B8.5 S4 Quattro 3.0T Differential Service & Maintenance Parts

Max-Gear Gear Oil 75w90 - 1 Quart

Max-Gear is recommended for use in front or rear open differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
ES#:: 263484
Mfg#:: 01300

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Ships in 5 Business Days

$22.99 USD

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on orders $49 and up

Rear Differential Service Kit

Complete kit with Redline 75w90 fluid with OEM drain/fill plugs and seals to service your rear differential. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Torque Vectoring differentials

Brand:
ES#:: 3660796
Mfg#:: N10037105KTKT7

Qty: Availability:

In Stock

ON SALE!

$97.99

This product was last offered at the strikethrough price on
02-24-2026

$95.98 USD

Free Shipping

on orders $49 and up

Partial Replacement

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

Complete kit with Redline 75w90 GL-5 fluid to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles without Torque Vectoring differentials

Brand:
ES#:: 2593489
Mfg#:: 0AR409399BKT1

Qty: Availability:

Ships on Aug 14, 2026

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ON SALE! SAVE 23%

$128.65

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

$98.96 USD

Free Shipping

Partial Replacement

Rear Differential Leak Repair Kit

Complete kit with OE fluid to service your rear differential affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with Torque Vectoring differentials