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Audi A3 Engine Parts & Accessories

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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

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
315575
Mfg#:
1K0145834AC
Ships in 1 day
11% 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
08-31-2026

$240.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Washer Fluid Reservoir Cap

ES#4872071 - 1K0955455 - Washer Fluid Reservoir Cap - Keep your washer fluid free from debris - URO - Audi Volkswagen

Keep your washer fluid free from debris 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
URO - Corporate Logo
ES#:
4872071
Mfg#:
1K0955455
In Stock
$13.38 USD
Free Shipping
on orders $49 and up

IS38 Software Upgrade - For Existing Customers

ES#2996318 - STGIS38UPG - IS38 Software Upgrade - For Existing Customers - See up to 386 horsepower on 93 octane fuel! - APR - Audi Volkswagen

See up to 386 horsepower on 93 octane fuel! Call In Or Chat For Best Price!
This upgrade must be performed at ECS Tuning's facility in Ohio.
For existing Stage 1 or Stage 2 customers with Golf R/8V S3 IS38 turbocharger only. Tuning may only be performed in-house at APR dealers.

Brand:
APR - Corporate Logo
ES#:
2996318
Mfg#:
STGIS38UPG
In Stock
ON SALE! SAVE 20%
$299.99

This product was last offered at the strikethrough price on
09-28-2026

$239.96 USD

K04 Performance Software (Existing APR Customers) - With Program Switching (Fully Loaded)

ES#3509833 - pa100008KT - K04 Performance Software (Existing APR Customers) - With Program Switching (Fully Loaded) - For customers that already have APR software on their car and are upgrading to a K04 - APR - Audi Volkswagen

For customers that already have APR software on their car and are upgrading to a K04 Call In Or Chat For Best Price!
This upgrade can be performed via our Chip & Ship method or the vehicle can be brought to ECS Tuning's fa
For vehicles with FSI engines only. Ship your ECU for free, or drive your vehicle to our location

Brand:
APR - Corporate Logo
ES#:
3509833
Mfg#:
PA100008KT
Back Ordered
ON SALE! SAVE 20%
$299.99

This product was last offered at the strikethrough price on
09-28-2026

$239.92 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Plastic Coolant Pipe

ES#5388760 - CHP0680 - Plastic Coolant Pipe - Connects water pump to cylinder head coolant flange - Rein - Audi Volkswagen

Connects water pump to cylinder head coolant flange 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Rein - Corporate Logo
ES#:
5388760
Mfg#:
CHP0680
In Stock at Vendor
$23.99 USD
Free Shipping
on orders $49 and up

Valve Cover Gasket

ES#3550929 - 03L103483 - Valve Cover Gasket - Fix that oil leak for good! - Elring - Audi Volkswagen

Fix that oil leak for good! 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Elring - Corporate Logo
ES#:
3550929
Mfg#:
03L103483
In Stock
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

WATER HOSE

ES#4151262 - 1K0122063G - WATER HOSE - Rein - Audi Volkswagen

2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4151262
Mfg#:
1K0122063G
In Stock at Vendor
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Replacement Rear Main Seal

ES#3612266 - 462-103-171FSEAL - Replacement Rear Main Seal - Replacement Viton rubber seal for the iABED Billet Aluminum Rear Main Seal Upgrade - iABED Industries - Audi Volkswagen

Replacement Viton rubber seal for the iABED Billet Aluminum Rear Main Seal Upgrade For vehicles with TSI engines only

Brand:
iABED Industries - Corporate Logo
ES#:
3612266
Mfg#:
462-103-171FSEAL
Back Ordered
$19.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Push-On Connector - Priced Each

ES#5263 - 07C103226A - Push-On Connector - Priced Each - Attaches engine cover - Genuine Volkswagen Audi - Audi Volkswagen

Attaches engine cover For vehicles with TSI engines only

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
5263
Mfg#:
07C103226A
In Stock
12% off MSRP

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

$16.99

This product was last offered at the strikethrough price on
10-13-2026

$14.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing DR12YS Spark Plug - Priced Each

ES#4017474 - DR12YS - Brisk Silver Racing DR12YS Spark Plug - Priced Each - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen Mercedes Benz MINI

Featuring silver fine wire center electrode - Superior ignition ability increases engine power! One heat range colder than stock with a projected tip

Brand:
Brisk - Corporate Logo
ES#:
4017474
Mfg#:
DR12YS
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.

$12.99

This product was last offered at the strikethrough price on
10-13-2026

$11.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Injector Installation Kit - Priced Each

ES#4941110 - 445.950 - Fuel Injector Installation Kit - Priced Each - One kit required per injector - Elring - Audi Volkswagen Porsche

One kit required per injector 2X Entries Into Our F80 M3 Sweepstakes

Brand:
Elring - Corporate Logo
ES#:
4941110
Mfg#:
445.950
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Quick Coupler

ES#4810736 - 1K0122291C - Quick Coupler - Connects upper radiator hose to return line - Rein - Audi Volkswagen

Connects upper radiator hose to return line 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!

Brand:
Rein - Corporate Logo
ES#:
4810736
Mfg#:
1K0122291C
In Stock
$7.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Build Your Own Timing Chain Kit

Choose the parts you would like for a timing chain service. 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
3411886
Mfg#:
021198508KT4
Ships on Nov 16, 2026
ON SALE!
Starting at $246.70 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stud - Priced Each

ES#4810743 - N0145555 - Stud - Priced Each - Install new hardware with your new parts. M8x44 - Rein - Audi Volkswagen

Install new hardware with your new parts. M8x44 2X Entries Into Our F80 M3 Sweepstakes
We Price Match - Give Us A Call or Chat!
Used to secure the turbo manifold to the head, 5 required

Brand:
Rein - Corporate Logo
ES#:
4810743
Mfg#:
N0145555
In Stock
$3.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Hex Bolt - Priced Each

ES#468842 - N10699901 - Hex Bolt - Priced Each - Install new hardware with your new parts. M10x45 - Genuine Volkswagen Audi - Audi

Install new hardware with your new parts. M10x45 Secures the mid idler roller to the engine

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
468842
Mfg#:
N10699901
In Stock
14% off MSRP

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

$3.24

This product was last offered at the strikethrough price on
10-13-2026

$2.78 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Oil Service Kit - With Magnetic Drain Plug & Polished Aluminum Oil Filter Housing

ES#2730487 - 003602ECS03AKT - Oil Service Kit - With Magnetic Drain Plug & Polished Aluminum Oil Filter Housing - Includes Liqui Moly oil, filter, magnetic drain plug, and aluminum filter housing - Assembled By ECS - Audi Volkswagen

Includes Liqui Moly oil, filter, magnetic drain plug, and aluminum filter housing 10X Entries Into Our F80 M3 Sweepstakes
For vehicles with FSI engine only
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
2730487
Mfg#:
003602ECS03AKT
Ships in 4 Business Days
ON SALE! SAVE 16%
$282.99

This product was last offered at the strikethrough price on
09-14-2026

$239.07 USD
Free Shipping
This product is lifetime replacement eligible Partial 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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