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Audi A3 Engine Parts & Accessories

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ES#4144993 - 06A121119 - Water Pump O-Ring - Ensure a proper seal when installing a new water pump. 53x4mm - Rein - Audi Volkswagen

Ensure a proper seal when installing a new water pump. 53x4mm affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with FSI engines only

Brand:
Rein - Corporate Logo
ES#:
4144993
Mfg#:
06A121119
Back Ordered
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Seals housing to the engine block affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4145000
Mfg#:
06J115441A
Back Ordered
$3.99

This product was last offered at the strikethrough price on
05-07-2026

$2.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2090873 - 06A103485F - Oil Cap  - Clean up your engine bay with a new cap - MTC - Audi Volkswagen

Clean up your engine bay with a new cap affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
MTC - Corporate Logo
ES#:
2090873
Mfg#:
06A103485F
Back Ordered
$2.03 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#2815649 - 357121140 - Coolant Flange Plug - Priced Each - Clip and o-ring sold separately - Hamburg Tech - Audi Volkswagen

Clip and o-ring sold separately affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
2815649
Mfg#:
357121140
Ships in 1 Business Day
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#472642 - WHT002057 - Washer - Priced Each - Concave washer in between the taper roller bearing and the output shaft - Genuine Volkswagen Audi - Audi

Concave washer in between the taper roller bearing and the output shaft affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
472642
Mfg#:
WHT002057
Ships in 1-2 days
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement
ES#1303020 - 20TCCTASTG4CHP - Stage I Performance Chip - 4 Programs - APR's ECU Upgrade is the best power per dollar modification for your TSI engine out there - APR - Audi

APR's ECU Upgrade is the best power per dollar modification for your TSI engine out there 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.
254hp/297lb-ft (93 octane) --- 250HP/294TQ (91 Octane). This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
1303020
Mfg#:
20TCCTASTG4CHP
In Stock
$899.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411790 - 18TIS20KT1 - Performance Software For IS20 Turbo Upgrade - For customers WITHOUT APR Stage 1, moving to the IS20 turbocharger upgrade - APR - Audi Volkswagen

For customers WITHOUT APR Stage 1, moving to the IS20 turbocharger upgrade 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411790
Mfg#:
18TIS20KT1
In Stock
$849.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411788 - 18TIS38KT1 - Performance Software For IS38 Turbo Upgrade - For customers WITHOUT APR Stage 1, moving to the IS38 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITHOUT APR Stage 1, moving to the IS38 turbocharger upgrade. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411788
Mfg#:
18TIS38KT1
In Stock
$749.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#3411789 - 18TIS20KT - Performance Software For IS20 Turbo Upgrade - For customers WITH APR Stage 1, moving to the IS20 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITH APR Stage 1, moving to the IS20 turbocharger upgrade. 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!
This upgrade must be performed at ECS Tuning's facility in Ohio.

Brand:
APR - Corporate Logo
ES#:
3411789
Mfg#:
18TIS20KT
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#2602459 - 06J103600TKT2 - Oil Pan Replacement Kit - Everything required to replace your leaking pan, including the oil change - Assembled By ECS - Audi

Everything required to replace your leaking pan, including the oil change affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For TSI engine vehicles up to production date 11/21/2011 - For vehicles without oil level sensors

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602459
Mfg#:
06J103600TKT2
In Stock
ON SALE!
$318.99

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

$289.51 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2784804 - 20TPRMKTOILKT4 - Oil Service Kit - With Magnetic Drain Plug & Black Aluminum Oil Filter Housing - Includes Motul 5w-40 oil, filter, magnetic drain plug, and black aluminum filter housing - Assembled By ECS - Audi Volkswagen

Includes Motul 5w-40 oil, filter, magnetic drain plug, and black aluminum filter housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2784804
Mfg#:
20TPRMKTOILKT4
In Stock
ON SALE!
$234.99

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

$232.73 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2602497 - 06J103600AFKT2 - Oil Pan Replacement Kit - Everything required to replace your leaking pan, including the oil change - Assembled By ECS - Audi

Everything required to replace your leaking pan, including the oil change affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For TSI engine vehicles from production date 11/21/2011 - For vehicles without oil level sensors

Brand:
Assembled By ECS - Corporate Logo
ES#:
2602497
Mfg#:
06J103600AFKT2
In Stock
ON SALE!
$314.99

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

$285.46 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2738396 - 03L121111ACkt - Cooling System Refresh Kit - Service your critical cooling system components with this complete kit. - Assembled By ECS - Audi

Service your critical cooling system components with this complete kit. 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#:
2738396
Mfg#:
03L121111ACKT
In Stock
ON SALE!
$247.99

This product was last offered at the strikethrough price on
01-03-2026

$242.31 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement
ES#2592960 - 06F129101NKT - Emissions Service Kit - Everything you need to service your PCV system - Assembled By ECS - Audi

Everything you need to service your PCV system affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines up to VIN 8P-6-069000, split is in the 2006 model year

Brand:
Assembled By ECS - Corporate Logo
ES#:
2592960
Mfg#:
06F129101NKT
In Stock
ON SALE!
$175.99

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

$159.29 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement
ES#5374144 - 1K0819031D - Heater Core - Transforms hot coolant into warmth for your cabin - Bremmen Parts - Audi Volkswagen

Transforms hot coolant into warmth for your cabin affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
5374144
Mfg#:
1K0819031D
In Stock
ON SALE! SAVE 10%
$81.99

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#3248071 - 06j133201BHKT - Complete Intake Manifold Service Kit - Inclusive kit provides new intake manifold, hardware, and gaskets for a complete installation. - Genuine Volkswagen Audi - Audi

Inclusive kit provides new intake manifold, hardware, and gaskets for a complete installation. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3248071
Mfg#:
06J133201BHKT
In Stock
$668.99

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

$667.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

More About Engine Parts & Accessories

Whether you're maintaining or repairing your stock engine or looking for added horsepower, we have one of the most comprehensive inventories of engine parts and accessories for German cars. From hard engine parts like connecting rods, pistons, cylinder heads, short blocks, and engine timing parts to performance engine software upgrades; we have you covered.

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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