Audi S4 Most Popular Parts

Seamlessly install a Kompact EM Valve without the need for adaptors, hoses, or additional assembly. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4745463

Mfg#:

TS-0223-1079

10% off MSRP

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

$350.99

This product was last offered at the strikethrough price on
06-07-2026

$315.99 USD

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on orders $49 and up

Lifetime Replacement

Does not include hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Does NOT include hardware or the RS4/modified intake pipes necessary for a complete install - For a bolt-on solution, please see 034Motorsport's inlet pipe kit 034-145-P002 (ES2864575).

Brand:

ES#:

4140513

Mfg#:

53049880026

$1541.99 USD

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Lifetime Replacement

Unleash up to 540HP/491TQ by transforming your Audi EA837 3.0T with Dynamic+ Tuning - delivering ultimate power, drivability, reliability, and enhanced features! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4877145

Mfg#:

034B8/8.5TUNE

EO#:

D-850

Starting at $180.00 USD

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Partial Replacement

Replace your flimsy, imprecise OEM sway bar end links with these performance-engineered units! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4841517

Mfg#:

034-402-4039

$112.00 USD

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Lifetime Replacement

Replace your flimsy, imprecise OEM sway bar end links with these performance engineered Dynamic+ Billet Adjustable Front Sway Bar End Links from 034Motorsport affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4381944

Mfg#:

034-402-4033

$168.00 USD

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Lifetime Replacement

Get top of the line performance and comfort from one of the biggest names in suspension systems, Ohlins. Features 30-Level dampening adjustment and DFV technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4715964

Mfg#:

AUSMU00S1

The new standard for braking performance upgrades on your Audi B9/B9.5 S4/S5/SQ5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4905873

Mfg#:

034-301-0009-DSO

Improve the performance of the factory transmission mount affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3199888

Mfg#:

0345094025

$44.00 USD

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Lifetime Replacement

New water pump. Does not include pulley affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4900410

Mfg#:

06M121013G

2% off MSRP

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

$236.99

This product was last offered at the strikethrough price on
06-07-2026

$232.99 USD

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on orders $49 and up

Lifetime Replacement

Offers a 130% increase in frontal surface area and a massive 83% increase in volume over the factory B9 intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4044047

Mfg#:

4510-11060

$945.00 USD

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Lifetime Replacement

Your supercharger works hard, keep it lubricated. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2099956

Mfg#:

G070000A1

Includes six Red APR coil packs and OEM spark plugs to service your ignition system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
CARB certified for sale in all 50 states

Brand:

ES#:

4475290

Mfg#:

06M905606F1KT

EO#:

D-783-5

$398.63 USD

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Lifetime Replacement