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Audi S4 Engine Air Filters

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ES#3988613 - E-0646 - Drop In Replacement Air Filter  - High-Flow cotton gauze filter designed to be a performer, while lasting a lifetime - K&N - Audi

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:
K&N - Corporate Logo
ES#:
3988613
Mfg#:
E-0646
In Stock
$83.99

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

$79.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4475341 - 012054LA61-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4475341
Mfg#:
012054LA61-DRY
In Stock
ON SALE! SAVE 40%
$80.99

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

$48.59 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3676784 - 8W0133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi
ECS Tuning recommends this product.

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:
Hengst - Corporate Logo
ES#:
3676784
Mfg#:
8W0133843
In Stock
ON SALE! SAVE 13%
$39.99

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

$34.88 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3180947 - 8W0133843 - Air Filter - Keep clean air running through your engine - Genuine Volkswagen Audi - Audi

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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3180947
Mfg#:
8W0133843
In Stock
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
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#517994 - 99-5050 - K&N Air Filter Recharge Kit - Squeeze - Preserve & maintain your air filter for a lifetime like it was designed to be used - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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:
K&N - Corporate Logo
ES#:
517994
Mfg#:
99-5050
In Stock
$18.99 USD
Free Shipping
on orders $49 and up
ES#4500724 - 034-108-B025 - SuperDuper Air Filter - 4" Inlet - This high-flow, double-layered cotton filter features a 4in inlet. - 034Motorsport - Audi Volkswagen

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

Brand:
034Motorsport - Corporate Logo
ES#:
4500724
Mfg#:
034-108-B025
In Stock
$112.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3697634 - 003675ECS03-02 - Universal High Flow Performance Air Filter - Dry (2.5" inlet) - High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD - ECS - Audi BMW Volkswagen

High flow, reusable air filter. Used as a replacement filter to an ECS intake system or for your custom intake project. 4.5" Base OD / 6" Filter Height / 3.5" Top OD affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3697634
Mfg#:
003675ECS03-02
In Stock
ON SALE! SAVE 30%
$56.99

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

$39.89 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1905472 - 8K0133843 - Air Filter - Keep clean air running through your engine - Hengst - Audi
ECS Tuning recommends this product.

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:
Hengst - Corporate Logo
ES#:
1905472
Mfg#:
8K0133843
In Stock
ON SALE!
$20.99

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

$19.37 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4461008 - 012054LA07-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461008
Mfg#:
012054LA07-DRY
In Stock
ON SALE! SAVE 53%
$81.99

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

$38.90 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4461006 - 012054LA18-DRY - ECS Exact-Fit High Flow Air Filter - Dry - High flow filter replacement to get your engine breathing better than new! - ECS - Audi Volkswagen

High flow filter replacement to get your engine breathing better than new! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4461006
Mfg#:
012054LA18-DRY
In Stock
ON SALE! SAVE 20%
$69.99

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

$55.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4696150 - 034-108-B029 - SuperDuper Air Filter, 5" Inlet - A replacement for 034's popular S34 Intake System - 034Motorsport - Audi

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

Brand:
034Motorsport - Corporate Logo
ES#:
4696150
Mfg#:
034-108-B029
In Stock
$114.00 USD
Free Shipping
ES#3504750 - 034-108-Z035 - 034Motorsport Air Filter Cleaning Kit - Specially Formulated Cleaning Agent for Air Filters Supplied in X34 & P34 Intake Systems - 034Motorsport - Audi Volkswagen Mercedes Benz MINI Porsche

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:
034Motorsport - Corporate Logo
ES#:
3504750
Mfg#:
034-108-Z035
In Stock
$23.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3088918 - WA250-500 - BMC Filter Cleaning Kit - Includes cleaner and re-oil additive - BMC - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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

Brand:
BMC - Corporate Logo
ES#:
3088918
Mfg#:
WA250-500
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
ES#3570408 - VWR1141S4 - Racingline High-Flow Air Filter - Set your 3.0 TFSI turbocharged engine free by allowing it to breathe better and operate more efficiently! - Racingline - Audi

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:
Racingline - Corporate Logo
ES#:
3570408
Mfg#:
VWR1141S4
Ships in 2 Business Days
$171.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3491802 - 99-5000KT - K&N Air Filter Cleaning Kit - Aerosol - Preserve & maintain your air filter for a lifetime like it was designed to use - K&N - Audi BMW Volkswagen Mercedes Benz MINI Porsche

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:
K&N - Corporate Logo
ES#:
3491802
Mfg#:
99-5000KT
In Stock
$24.00

This product was last offered at the strikethrough price on
05-27-2026

$23.99 USD
Free Shipping
on orders $49 and up
ES#4690591 - RF100026 - APR High Flow Intake Filter - Flow-bench optimized to provide maximum performance with your factory intake system! - APR - Audi

Flow-bench optimized to provide maximum performance with your factory intake system! Call In Or Chat For Best Price! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
APR - Corporate Logo
ES#:
4690591
Mfg#:
RF100026
Ships in 1-2 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.

$63.99

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

$56.99 USD
Free Shipping

More About Engine Air Filters

Your engine needs fresh air to operate properly. Don't let an old, crusty, clogged-up air filter stand in your way! Replace it with an OEM engine air filter or select one of our high-quality aftermarket engine air filter replacements or upgrades!

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