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Audi A3 Engine Parts & Accessories

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Cat-Back Exhaust Installation Kit

ES#2594042 - 1K0253144APKT3 - Cat-Back Exhaust Installation Kit - Includes all clamps and hardware to install a cat-back system - Assembled By ECS - Audi

Includes all clamps and hardware to install a cat-back system 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#:
2594042
Mfg#:
1K0253144APKT3
Ships in 2 Business Days
$254.99

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

$253.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With ECS Magnetic Drain Plug

ES#2827076 - MK7TDIKT7 - Oil Service Kit - With ECS Magnetic Drain Plug - Includes Hengst oil filter and Pentosin 5w-30 oil - Assembled By ECS - Audi Volkswagen

Includes Hengst oil filter and Pentosin 5w-30 oil 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#:
2827076
Mfg#:
MK7TDIKT7
Ships in 5 Business Days
ON SALE!
$129.99

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

$126.94 USD
Free Shipping
This product is lifetime replacement eligible Partial Replacement

Dogbone Subframe Mount - Lower

ES#315642 - 1K0199867Q - Dogbone Subframe Mount - Lower - For securing the dogbone mount to the subframe - Genuine Volkswagen Audi - Audi Volkswagen

For securing the dogbone mount to the subframe affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Fits through the 2008 model year

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315642
Mfg#:
1K0199867Q
Ships in 1-2 days
17% off MSRP

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

$101.49

This product was last offered at the strikethrough price on
06-20-2026

$84.44 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Replacement Hardware for 034 Billet+ Spherical Dogbone Mount

ES#4880721 - 034-509-Y016 - Replacement Hardware for 034 Billet+ Spherical Dogbone Mount - We recommend using these new factory stretch bolts to install the 034Motorsport's Billet Spherical Dogbone Mount. (ES3546801) - 034Motorsport - Audi Volkswagen

We recommend using these new factory stretch bolts to install the 034Motorsport's Billet Spherical Dogbone Mount. (ES3546801) affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
4880721
Mfg#:
034-509-Y016
In Stock
$23.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Water Pump Gasket

ES#2774415 - 06L121119B - Water Pump Gasket - Seals the connection between the water pump and thermostat housing - Genuine Volkswagen Audi - Audi Volkswagen

Seals the connection between the water pump and thermostat housing affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2774415
Mfg#:
06L121119B
Ships in 1-2 days
8% off MSRP

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

$24.99

This product was last offered at the strikethrough price on
06-20-2026

$22.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Bolt - Priced Each

ES#467513 - N10156206 - Bolt - Priced Each - Install new hardware with your new parts. M6x30 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M6x30 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Secures the oil pump to the engine block

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
467513
Mfg#:
N10156206
In Stock
$1.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Intercooler Hose - Right

ES#315575 - 1K0145834AC - Intercooler Hose - Right - Connects the pancake pipe to the right side or "hot side" of the intercooler - Genuine Volkswagen Audi - Audi Volkswagen

Connects the pancake pipe to the right side or "hot side" of the intercooler affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315575
Mfg#:
1K0145834AC
Ships in 2 Business Days
7% off MSRP

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

$269.99

This product was last offered at the strikethrough price on
06-20-2026

$251.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Oil Cap - Purple

ES#4165017 - VTT-VAG-OILCAPP - Billet Oil Cap - Purple - Billet aluminum oil cap to spice up your engine bay. - Vargas Turbo Technologies - Audi Volkswagen Porsche

Billet aluminum oil cap to spice up your engine bay. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Vargas Turbo Technologies - Corporate Logo
ES#:
4165017
Mfg#:
VTT-VAG-OILCAPP
Back Ordered
Auto Notify
$62.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Thermostat Replacement Kit

ES#3675448 - 06l121111lKT - Thermostat Replacement Kit - Maintain proper operating temperature with a new thermostat, housing and hardware - Assembled By ECS - Audi

Maintain proper operating temperature with a new thermostat, housing 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#:
3675448
Mfg#:
06L121111LKT
Ships in 1-2 days
ON SALE! SAVE 26%
$338.99

This product was last offered at the strikethrough price on
01-26-2026

$251.26 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

K04 Performance Software (Existing APR Customers) - 1 Program (Or Fully Loaded If Already Equipped)

Required software to properly upgrade to a K04 turbocharger 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.
Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
2776628
Mfg#:
PA100007
In Stock
$249.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Performance Software For IS38 Turbo Upgrade

ES#3411787 - 18tis38KT - Performance Software For IS38 Turbo Upgrade - For customers WITH APR Stage 1, moving to the IS38 turbocharger upgrade. - APR - Audi Volkswagen

For customers WITH 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#:
3411787
Mfg#:
18TIS38KT
In Stock
$249.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Heater Core Hose - Supply

ES#4899602 - 1K0122157HE - Heater Core Hose - Supply - Connects the heater core pipe to the flange - Rein - Audi Volkswagen

Connects the heater core pipe to the flange affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
For vehicles with TSI engines only

Brand:
Rein - Corporate Logo
ES#:
4899602
Mfg#:
1K0122157HE
In Stock at Vendor
$51.99

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

$49.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

High Pressure Fuel Pump O-Ring

ES#4342380 - 03C127311 - High Pressure Fuel Pump O-Ring - Seals the high pressure fuel pump to the cylinder head - Febi - Audi Volkswagen

Seals the high pressure fuel pump to the cylinder head affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Febi - Corporate Logo
ES#:
4342380
Mfg#:
03C127311
Ships in 7 Business Days
$7.99

This product was last offered at the strikethrough price on
03-23-2026

$4.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4339292 - 914760 - RaceChip S - Get up to +32 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi Volkswagen

Get up to +32 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339292
Mfg#:
914760
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4339157 - 909640 - RaceChip S - Get up to +34 hp and +41 lb-ft through a safe and easy to use tuning module from Racechip - Race Chip - Audi Volkswagen

Get up to +34 hp and +41 lb-ft through a safe and easy to use tuning module from Racechip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with TSI engines up through the 2010 model year only.

Brand:
Race Chip - Corporate Logo
ES#:
4339157
Mfg#:
909640
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

RaceChip S

ES#4339014 - 902980 - RaceChip S - Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip - Race Chip - Audi

Get up to +37 hp and +45 lb-ft through a safe and easy to use tuning module from RaceChip affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Race Chip - Corporate Logo
ES#:
4339014
Mfg#:
902980
Ships in 3 Business Days
$249.00 USD
Free Shipping
on orders $49 and up
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

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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