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Audi A3 Engine Parts & Accessories

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Performance Cat-Back Exhaust System

ES#3102518 - 140682 - Performance Cat-Back Exhaust System - 3.00" split into two 2.25" stainless steel with dual 3.50" polished stainless tips - Borla - Audi

3.00" split into two 2.25" stainless steel with dual 3.50" polished stainless tips

Brand:
Borla - Corporate Logo
ES#:
3102518
Mfg#:
140682
In Stock at Vendor
$1399.99 USD
This product is lifetime replacement eligible Lifetime Replacement

K03 Turbocharger

ES#4069920 - 06J145713F - K03 Turbocharger - Complete assembly includes the turbo and exhaust manifold - IHI Turbo - Audi Volkswagen

Complete assembly includes the turbo and exhaust manifold For TSI engine models with CBFA engine code only

Brand:
IHI Turbo - Corporate Logo
ES#:
4069920
Mfg#:
06J145713F
In Stock
$1470.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Black

ES#3551283 - 021828ECS01-01 - VW/Audi Atmospheric Diverter Valve Spacer - Black - Let your turbo blow off some air for an exhilarating driving experience! - ECS - Audi Volkswagen

Let your turbo blow off some air for an exhilarating driving experience! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3551283
Mfg#:
021828ECS01-01
In Stock
ON SALE! SAVE 25%
$86.99

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

$65.24 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Billet Aluminum Rear Main Seal

ES#4370260 - 034-202-6003 - Billet Aluminum Rear Main Seal - Permanent fix for that leaking rear main seal - 034Motorsport - Audi Volkswagen

Permanent fix for that leaking rear main seal For vehicles with FSI engines only

Brand:
034Motorsport - Corporate Logo
ES#:
4370260
Mfg#:
034-202-6003
In Stock
$145.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

COBB Tuning Accessport Tuner V3

ES#3184325 - AP3-VLK-002 - COBB Tuning Accessport Tuner V3 - Flash your ECU and unleash the power your VW/Audi was meant to have. - CobbTuning - Audi Volkswagen

Flash your ECU and unleash the power your VW/Audi was meant to have. CARB certified for sale in all 50 states
Not for vehicles with FWD

Brand:
CobbTuning - Corporate Logo
ES#:
3184325
Mfg#:
AP3-VLK-002
EO#:
D-660-37
In Stock
$770.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VTA Performance Blow-Off Valve

ES#3617985 - T9451 - VTA Performance Blow-Off Valve - Direct-fit performance solution with aggressive blow-off sound - Go Fast Bits - Audi Volkswagen

Direct-fit performance solution with aggressive blow-off sound

Brand:
Go Fast Bits - Corporate Logo
ES#:
3617985
Mfg#:
T9451
In Stock
10% off MSRP

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

$229.99

This product was last offered at the strikethrough price on
07-22-2026

$206.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Pressure Control Valve (PCV) 06H103495AK

ES#3102255 - 06H103495AE - Pressure Control Valve (PCV) 06H103495AK - Also referred to as the breather valve or oil separator - Hamburg Tech - Audi

Also referred to as the breather valve or oil separator We Price Match - Give Us A Call or Chat!

Brand:
Hamburg Tech - Corporate Logo
ES#:
3102255
Mfg#:
06H103495AE
In Stock
$72.99

This product was last offered at the strikethrough price on
06-10-2026

$69.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow Turbo Inlet Pipe

ES#3021162 - CTSIT285 - High Flow Turbo Inlet Pipe - Allows better airflow for maximum power - CTS - Audi Volkswagen

Allows better airflow for maximum power

Brand:
CTS - Corporate Logo
ES#:
3021162
Mfg#:
CTSIT285
In Stock
ON SALE! SAVE 15%
$79.99

This product was last offered at the strikethrough price on
07-10-2026

$67.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Brisk Silver Racing ER10S Spark Plugs - Set Of Four

ES#3691031 - er10sKT - Brisk Silver Racing ER10S Spark Plugs - Set Of Four - Featuring silver fine wire center electrode - Superior ignition ability increases engine power! - Brisk - Audi Volkswagen

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

Brand:
Brisk - Corporate Logo
ES#:
3691031
Mfg#:
ER10SKT
In Stock
$47.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

B7 RS4 Fuel Injectors - Set Of Four

ES#1928334 - B7RS4INJ4 - B7 RS4 Fuel Injectors - Set Of Four - A common upgrade for big turbo applications - Assembled By ECS - Audi Volkswagen

A common upgrade for big turbo applications 10X Entries For Our 25th Anniversary Sweepstakes!
For vehicles with FSI engines only

Brand:
Assembled By ECS - Corporate Logo
ES#:
1928334
Mfg#:
B7RS4INJ4
In Stock
ON SALE! SAVE 24%
$501.99

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

$383.97 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

MQB Billet / Polyurethane Dogbone Mount Bushing Insert

ES#4158732 - 010935ECS07KT1 - MQB Billet / Polyurethane Dogbone Mount Bushing Insert - Decrease subframe bushing slop for better drivetrain response! Our unique design fits both Version 1 and Version 2 subframe bushings. - ECS - Audi Volkswagen

Decrease subframe bushing slop for better drivetrain response! Our unique design fits both Version 1 and Version 2 subframe bushings. 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
4158732
Mfg#:
010935ECS07KT1
In Stock
ON SALE! SAVE 25%
$88.99

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

$66.74 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

VWR R600 Intake Closed Airbox System - Cotton Filter

ES#4447034 - VWR1200R601E - VWR R600 Intake Closed Airbox System - Cotton Filter - Closed airbox system for added filtration and performance - Racingline - Audi Volkswagen

Closed airbox system for added filtration and performance For vehicles without secondary air injection only

Brand:
Racingline - Corporate Logo
ES#:
4447034
Mfg#:
VWR1200R601E
In Stock
$608.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Borg Warner Turbocharger BV43

ES#4069179 - 03L253056 - Borg Warner Turbocharger BV43 - Complete turbo assembly - BorgWarner - Audi Volkswagen

Complete turbo assembly

Brand:
BorgWarner - Corporate Logo
ES#:
4069179
Mfg#:
03L253056
In Stock
$1352.99 USD
This product is lifetime replacement eligible Lifetime Replacement

ECS Tuning Aluminum Street Shield Skid Plate Kit

ES#3028735 - 011768ECS01KT2 - ECS Tuning Aluminum Street Shield Skid Plate Kit - Protect your vehicle's fragile, PLASTIC oil pan and under carriage with this 3/16" (4.76mm) thick aluminum skid plate - ECS - Audi

Protect your vehicle's fragile, PLASTIC oil pan and under carriage with this 3/16" (4.76mm) thick aluminum skid plate 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3028735
Mfg#:
011768ECS01KT2
In Stock
ON SALE!
$405.99

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

$385.69 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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