Audi B9 S4 Quattro 3.0T Engine Air Filters

High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3988613

Mfg#:

E-0646

$83.99

This product was last offered at the strikethrough price on
01-20-2026

$79.99 USD

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Lifetime Replacement

Keep clean air running through your engine 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! Hengst is our preferred OEM filtration supplier!

Brand:

ES#:

3676784

Mfg#:

8W0133843

$39.99 USD

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on orders $49 and up

Lifetime Replacement

Keep clean air running through your engine affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3180947

Mfg#:

8W0133843

8% off MSRP

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

$42.16

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

$38.88 USD

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on orders $49 and up

Lifetime Replacement

Preserve & maintain your air filter for a lifetime like it was designed to be used affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

517994

Mfg#:

99-5050

This high-flow, double-layered cotton filter features a 4in inlet. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4500724

Mfg#:

034-108-B025

$112.00 USD

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Lifetime Replacement

A replacement for 034's popular S34 Intake System affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4696150

Mfg#:

034-108-B029

Specially Formulated Cleaning Agent for Air Filters Supplied in X34 & P34 Intake Systems affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3504750

Mfg#:

034-108-Z035

$23.00 USD

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Lifetime Replacement

Includes cleaner and re-oil additive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3088918

Mfg#:

WA250-500

Set your 3.0 TFSI turbocharged engine free by allowing it to breathe better and operate more efficiently! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3570408

Mfg#:

VWR1141S4

$171.99 USD

Add to Cart

Free Shipping

on orders $49 and up

Lifetime Replacement

Preserve & maintain your air filter for a lifetime like it was designed to use affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi

Brand:

ES#:

3491802

Mfg#:

99-5000KT

For Eventuri Intake Systems and many other performance air filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

3245340

Mfg#:

EVE-FLC

aFe MagnumFLOW Dry Air Filter Cleaner 32oz Spray Bottle affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4696235

Mfg#:

90-10601

Used for Pro 5 R filters affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

517882

Mfg#:

90-50501

22% off MSRP

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

$26.99

This product was last offered at the strikethrough price on
06-04-2026

$21.00 USD

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Free Shipping

on orders $49 and up

Lifetime Replacement

More air flow means more power! Direct replacement with long service life affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

4830102

Mfg#:

PX2011

Includes cleaner and dirt retention additive affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:

ES#:

2626400

Mfg#:

C9005