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Audi A3 Engine Parts & Accessories

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Billet Intake Manifold Plug & Boost Tap

ES#3432304 - 034-145-Z009 - Billet Intake Manifold Plug & Boost Tap - Designed for use with custom PCV, aftermarket catch can setups, or boost gauges. - 034Motorsport - Audi Volkswagen

Designed for use with custom PCV, aftermarket catch can setups, or boost gauges. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
034Motorsport - Corporate Logo
ES#:
3432304
Mfg#:
034-145-Z009
In Stock
$53.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VWR R600 Intake Closed Airbox System - Foam Filter

ES#4674221 - VWR12G7R602USA - VWR R600 Intake Closed Airbox System - Foam Filter - Closed airbox system for added filtration and performance - Racingline - Audi Volkswagen

Closed airbox system for added filtration and performance affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For vehicles with secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4674221
Mfg#:
VWR12G7R602USA
Ships in 2 Business Days
$608.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Main Bearing Kit - Set Of Ten

ES#3448795 - 06h105591jglbKT - Main Bearing Kit - Set Of Ten - Complete set of 10 half-shells - For models with yellow paint markings - Genuine Volkswagen Audi - Audi Volkswagen

Complete set of 10 half-shells - For models with yellow paint markings affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3448795
Mfg#:
06H105591JGLBKT
Ships in 1 day
$607.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Sealing Washer - Priced Each

ES#466245 - N0138149 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14.2x17.9x1.5 - Genuine Volkswagen Audi - Audi Volkswagen

Install new hardware with your new parts. M14.2x17.9x1.5 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
466245
Mfg#:
N0138149
In Stock
24% off MSRP

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

$4.18

This product was last offered at the strikethrough price on
06-18-2026

$3.19 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) Repair Kit

ES#3690693 - 06k103495bmKT - Pressure Control Valve (PCV) Repair Kit - Also called the "breather valve" or "oil separator". Located on top of the valve cover. - Genuine Volkswagen Audi - Audi Volkswagen

Also called the "breather valve" or "oil separator". Located on top of the valve cover. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
3690693
Mfg#:
06K103495BMKT
In Stock
$410.99

This product was last offered at the strikethrough price on
06-16-2026

$403.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Cat-Back Exhaust System - touring

ES#2614430 - 16717 - Performance Cat-Back Exhaust System - touring - 2.5" stainless steel with dual 3.5" polished single exit tips - Magnaflow - Audi

2.5" stainless steel with dual 3.5" polished single exit tips affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Magnaflow - Corporate Logo
ES#:
2614430
Mfg#:
16717
Ships in 1 Business Day
$1210.00 USD
This product is lifetime replacement eligible Lifetime Replacement

Injector Dynamics 1725cc Fuel Injector - Set of 4

Designed to be an all fuel compatible injector, capable of very high flow rates. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Injector Dynamics - Corporate Logo
ES#:
4711583
Mfg#:
1700.34.14.14.4
Back Ordered
$1209.99 USD
Free Shipping
on orders $49 and up

Sealing Washer - Priced Each

ES#9618 - 216-14018 - Sealing Washer - Priced Each - Install new hardware with your new parts. M14x18 - OE Aftermarket - Audi Volkswagen

Install new hardware with your new parts. M14x18 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Seals the banjo fittings on the turbocharger coolant lines

Brand:
OE Aftermarket - Corporate Logo
ES#:
9618
Mfg#:
216-14018
In Stock
$2.23 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant

ES#4069853 - 462-103-171AKT - Billet Aluminum Rear Main Seal Upgrade - With Installation Tool & Sealant - Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. - Assembled By ECS - Audi Volkswagen

Permanent fix for that leaking rear main seal. Includes recommended installation tool and Dirko sealant to complete the job. 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#:
4069853
Mfg#:
462-103-171AKT
Back Ordered
Auto Notify
$133.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Partial Replacement

Diverter Valve

ES#4818434 - 06A145710P - Diverter Valve - A great upgrade for stock to mildly tuned engines - Bremmen Parts - Audi Volkswagen

A great upgrade for stock to mildly tuned engines affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Bremmen Parts - Corporate Logo
ES#:
4818434
Mfg#:
06A145710P
In Stock
ON SALE! SAVE 20%
$41.99

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

$33.45 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Timing Chain Cover - Lower

ES#3610242 - 06K109210AF - Timing Chain Cover - Lower - Cover for lower section of timing chain - Includes front crank seal, plug, and sealant - Rein - Audi Volkswagen

Cover for lower section of timing chain - Includes front crank seal, plug, and sealant 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:
Rein - Corporate Logo
ES#:
3610242
Mfg#:
06K109210AF
Ships in 2 Business Days
$300.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Shouldered Hex Bolt - Priced Each

ES#2592574 - N90596906 - Shouldered Hex Bolt - Priced Each - Install new hardware with your new parts. M10x55x32 - Vaico - Audi Volkswagen

Install new hardware with your new parts. M10x55x32 affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!
Secures the engine mount to the chassis

Brand:
Vaico - Corporate Logo
ES#:
2592574
Mfg#:
N90596906
In Stock
$6.50 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Engine Wiring Harness

ES#2079318 - 06J972619AF - Engine Wiring Harness - Complete replacement for your shorted harness - Genuine Volkswagen Audi - Audi Volkswagen

Complete replacement for your shorted harness affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Engine code CBFA

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
2079318
Mfg#:
06J972619AF
Ships in 4 Business Days
6% off MSRP

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

$638.99

This product was last offered at the strikethrough price on
06-18-2026

$600.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Coolant Expansion Tank - With Cap

ES#4883474 - 1K0121407A - Coolant Expansion Tank - With Cap - See your coolant levels clearly again, comes with coolant level sensor - Rein - Audi Volkswagen

See your coolant levels clearly again, comes with coolant level sensor 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:
Rein - Corporate Logo
ES#:
4883474
Mfg#:
1K0121407A
In Stock
$24.49 USD
Free Shipping
on orders $49 and up

2.0T MQB APR Plus Software

ES#3537714 - 20TMQBIS20PLUS - 2.0T MQB APR Plus Software - This upgrade can only be performed with the car at ECS Tuning's location in Ohio - APR - Audi Volkswagen

This upgrade can only be performed with the car at ECS Tuning's location in Ohio 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.
See up to 290hp/320lb-ft This upgrade can only be performed with the car present at our facility.

Brand:
APR - Corporate Logo
ES#:
3537714
Mfg#:
20TMQBIS20PLUS
In Stock
$1199.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Precision Raceworks Performance Fuel Pump Kit

ES#4442362 - PRWMQBPFPAWD - Precision Raceworks Performance Fuel Pump Kit - Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. - Precision Raceworks - Audi Volkswagen

Specially designed for up to 350% more fuel than the factory fuel pump and all options are 100% E85 compliant. affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

Brand:
Precision Raceworks - Corporate Logo
ES#:
4442362
Mfg#:
PRWMQBPFPAWD
Ships in 7 Business Days
Starting at $299.99 USD
Customize
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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