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Audi A4 Engine Service & Maintenance Parts

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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#4766182 - 1K0998262T - Rear Oxygen Sensor - Priced Each - Keep your engine running efficiently - Bremmen Parts - Audi Volkswagen

Keep your engine running efficiently affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4766182
Mfg#:
1K0998262T
In Stock
ON SALE! SAVE 20%
$91.99

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

$73.43 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3676785 - 8W0133843C - 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!
For vehicles with CYMC engine code only

Brand:
Hengst - Corporate Logo
ES#:
3676785
Mfg#:
8W0133843C
In Stock
$24.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4661028 - 6PK1130 - Performance Kevlar Reinforced Accessory Belt - Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. - ECS - Audi Volkswagen
ECS Tuning recommends this product.

Our Red Kevlar accessory Belts are both an aesthetic improvement and a performance alternative to a traditional belt. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4661028
Mfg#:
6PK1130
Ships in 1 Business Day
$31.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#5338625 - 056059la08-4KT - ECS Performance Ignition Coils - Set Of Four - Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! - ECS - Audi Volkswagen

Designed to be a direct plug-and-play upgrade to factory coils, providing greater energy output, ensuring a stronger and more consistent spark! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For Vehicles with Engine Codes ATW and AEB (Bolt-In Style Ignition Coils)

Brand:
ECS - Corporate Logo
ES#:
5338625
Mfg#:
056059LA08-4KT
Ships in 1 Business Day
ON SALE! SAVE 15%
$143.99

This product was last offered at the strikethrough price on
06-13-2026

$122.37 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#4159344 - 22074 - Pro-Line Turbocharger Additive - 20g Tube - Suitable for all turbochargers. Mixable with all common motor oils. - Liqui-Moly - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Suitable for all turbochargers. Mixable with all common motor oils. 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!

Brand:
Liqui-Moly - Corporate Logo
ES#:
4159344
Mfg#:
22074
In Stock
46% off MSRP

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

$21.95

This product was last offered at the strikethrough price on
06-13-2026

$11.89 USD
Free Shipping
on orders $49 and up
ES#261427 - 80204 - Water Wetter Coolant Additive - 12oz - Reduces coolant temperatures by as much as 30*F - Redline - Audi BMW Volkswagen Mercedes Benz MINI Porsche

Reduces coolant temperatures by as much as 30*F affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Redline - Corporate Logo
ES#:
261427
Mfg#:
80204
In Stock
$15.99 USD
Free Shipping
on orders $49 and up
ES#2999145 - ic-03KT - Ignition Service Tools - Remove ignition coils and spark plugs without damaging them - Schwaben - Audi Volkswagen
ECS Tuning recommends this product.

Remove ignition coils and spark plugs without damaging them affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Schwaben - Corporate Logo
ES#:
2999145
Mfg#:
IC-03KT
Ships in 6 Business Days
ON SALE! SAVE 22%
$55.99

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

$43.48 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#3439005 - 20TPRMOIL1KT - Liqui Moly MolyGen - Oil Service Kit - Premium - With Magnetic Drain Plug - Includes Hengst filter,magnetic drain plug, and Liqui Moly oil with MolyGen technology - Assembled By ECS - Audi Volkswagen

Includes Hengst filter,magnetic drain plug, and Liqui Moly oil with MolyGen technology affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3439005
Mfg#:
20TPRMOIL1KT
In Stock
ON SALE! SAVE 18%
$106.39

This product was last offered at the strikethrough price on
05-15-2026

$87.49 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#1895145 - G001770A2 - Fuel Additive - 90ML Gasoline additive used to clean your VW or Audi's fuel system - Genuine Volkswagen Audi - Audi Volkswagen

90ML Gasoline additive used to clean your VW or Audi's fuel system 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:
Genuine Volkswagen Audi - Corporate Logo
ES#:
1895145
Mfg#:
G001770A2
In Stock
4% off MSRP

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

$12.29

This product was last offered at the strikethrough price on
06-13-2026

$11.78 USD
Free Shipping
on orders $49 and up
ES#3648475 - 06l903133d2KT - Accessory Belt Kit - Keep your drive belt tight with a new belt, tensioner, and hardware - Assembled By ECS - Audi Volkswagen

Keep your drive belt tight with a new belt, tensioner, and hardware affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
3648475
Mfg#:
06L903133D2KT
In Stock
ON SALE!
$78.99

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

$76.13 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2167 - PEN 5W-40 5L - Pento High Performance II Engine Oil (5w-40) - 5 Liter - The latest version of one of the world's best all around synthetic engine oils - Pentosin - Audi BMW Volkswagen Mercedes Benz Porsche

The latest version of one of the world's best all around synthetic engine oils affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Pentosin - Corporate Logo
ES#:
2167
Mfg#:
PEN 5W-40 5L
In Stock
$64.14 USD
Free Shipping
on orders $49 and up
ES#4006933 - 06L115562KT13 - Motul Oil Service Kit (5w-40) - With Magnetic Drain Plug  - Includes Hengst oil filter, Motul 5W-40 Synthetic engine oil and ECS Magnetic Drain Plug - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter, Motul 5W-40 Synthetic engine oil and ECS Magnetic Drain Plug affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Assembled By ECS - Corporate Logo
ES#:
4006933
Mfg#:
06L115562KT13
In Stock
ON SALE!
$108.29 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement
ES#4069105 - 87164 - MSD Blaster Series Red Ignition Coils - Set Of Four - Performance coil packs from the company that knows ignition systems! - MSD Performance - Audi Volkswagen

Performance coil packs from the company that knows ignition systems! affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MSD Performance - Corporate Logo
ES#:
4069105
Mfg#:
87164
In Stock
42% off MSRP

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

$309.99

This product was last offered at the strikethrough price on
12-29-2025

$179.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4069386 - 06E906265Q - Rear Oxygen Sensor - Priced Each - Fits left and right side - Bosch - Audi

Fits left and right side affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4069386
Mfg#:
06E906265Q
In Stock
$192.18 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#4299103 - 06E905115G - Ignition Coil - Priced Each - Keep your engine running smooth - Bremi - Audi Volkswagen

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

Brand:
Bremi - Corporate Logo
ES#:
4299103
Mfg#:
06E905115G
In Stock at Vendor
$27.99

This product was last offered at the strikethrough price on
06-12-2026

$26.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Service & Maintenance Parts

An ounce of prevention improves engine reliability and heads off big-ticket repairs. On average, the modest cost or periodic maintenance pays handsome rewards. Plan now to put your car on a regular schedule that includes fluid and filter changes, inspections, and recommended service.

Let us help you find the parts that fit your Audi

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

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