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Audi A4 Performance Engine & Drivetrain Parts

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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
07-23-2026

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

Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5

ES#3097986 - 008288ecs01KT1 - Complete Drivetrain Mount Insert Kit - Audi B8 A4/S4/Q5 - Decrease slop; Increase drivetrain rigidity and response! - ECS - Audi
ECS Tuning recommends this product.

Decrease slop; Increase drivetrain rigidity and response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3097986
Mfg#:
008288ECS01KT1
In Stock
ON SALE! SAVE 25%
$313.99

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

$235.48 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FDS Front-Mount Intercooler Kit - Silver

ES#3470702 - IETPCK1 - FDS Front-Mount Intercooler Kit - Silver - Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! - Integrated Engineering - Audi

Increase horsepower and eliminate heatsoak - Drop-in intercooler requires no cutting, trimming, or mods! 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
3470702
Mfg#:
IETPCK1
Ships in 4 Business Days
$1034.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Stage 2 Clutch Kit - Daily (With Dual Mass Flywheel)

ES#3569751 - K70614F-HD-O - Stage 2 Clutch Kit - Daily (With Dual Mass Flywheel) - South Bend Dual Mass Flywheel with the South Bend Stage 2 clutch kit rated at 375ft/lbs - South Bend Clutch - Audi

South Bend Dual Mass Flywheel with the South Bend Stage 2 clutch kit rated at 375ft/lbs

Brand:
South Bend Clutch - Corporate Logo
ES#:
3569751
Mfg#:
K70614F-HD-O
Ships in 1 Business Day
$1793.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

K04 Turbo Conversion Kit (Longitudinal)

ES#3247391 - HVA-240-HW-LONG - K04 Turbo Conversion Kit (Longitudinal) - Developed on the Track, Adapted for the Street. Comprehensive kit to see up to 355HP / 347TQ from your 2.0T - HPA Motorsports - Audi

Developed on the Track, Adapted for the Street. Comprehensive kit to see up to 355HP / 347TQ from your 2.0T For the Gen 1 or 2 EA888 and EA113 engines Only

Brand:
HPA Motorsports - Corporate Logo
ES#:
3247391
Mfg#:
HVA-240-HW-LONG
Ships on Aug 28, 2026
$1649.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Spec Mahle Motorsport Performance Pistons - 83mm Bore

ES#3111676 - MAH-PVN2 - IE Spec Mahle Motorsport Performance Pistons - 83mm Bore - Forged Alloy pistons with 22mm wrist pin with +.5mm overbore - Integrated Engineering - Audi Volkswagen

Forged Alloy pistons with 22mm wrist pin with +.5mm overbore 5X Entries For Our 25th Anniversary Sweepstakes!
Must bore and hone the block to exact specification to ensure the best results

Brand:
Integrated Engineering - Corporate Logo
ES#:
3111676
Mfg#:
MAH-PVN2
In Stock
$997.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Complete Universal Turner Baffled Oil Catch Can Kit - 10oz

ES#3458268 - 022798tms01-09KT - Complete Universal Turner Baffled Oil Catch Can Kit - 10oz - A 4 chamber, baffled oil catch can complete with a universal mount and drain system! - Turner Motorsport - Audi BMW Volkswagen Mercedes Benz MINI Porsche
ECS Tuning recommends this product.

A 4 chamber, baffled oil catch can complete with a universal mount and drain system! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Turner Motorsport - Corporate Logo
ES#:
3458268
Mfg#:
022798TMS01-09KT
In Stock
ON SALE! SAVE 15%
$305.99

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

$260.09 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Valve Spring/Retainer Kit

ES#2794008 - IEVTVC3 - Performance Valve Spring/Retainer Kit - High quality performance valve springs and titanium retainers - Integrated Engineering - Audi Volkswagen

High quality performance valve springs and titanium retainers 5X Entries For Our 25th Anniversary Sweepstakes!

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794008
Mfg#:
IEVTVC3
In Stock
$663.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance High-Flow Air Intake System - 6" Velocity Stack

ES#4045629 - CTS-IT-290R - Performance High-Flow Air Intake System - 6" Velocity Stack - Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter! - CTS - Audi

Designed to work in conjunction with the OEM air scoop to seamlessly force cold air into the system - Flowed through a massive 6" velocity stack filter!

Brand:
CTS - Corporate Logo
ES#:
4045629
Mfg#:
CTS-IT-290R
Back Ordered
Auto Notify
ON SALE! SAVE 15%
$299.99

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

$254.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

IE Recirculating Catch Can Kit

ES#2794717 - IEBACG1 - IE Recirculating Catch Can Kit - Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold - Integrated Engineering - Audi

Prevent crankcase oil fumes from condensing and filling your turbo piping, intercooler, and intake manifold 5X Entries For Our 25th Anniversary Sweepstakes!

For models with plastic intake manifold only

Brand:
Integrated Engineering - Corporate Logo
ES#:
2794717
Mfg#:
IEBACG1
Back Ordered
Auto Notify
$591.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

340lph High Flow In-Tank Fuel Pump (e85 Compatible)

ES#3691421 - 50-1200 - 340lph High Flow In-Tank Fuel Pump (e85 Compatible) - AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels - AEM Electronics - Audi Volkswagen

AEM?s 340LPH E85-Compatible High Flow In-Tank Fuel Pumps feature robust internal construction that is designed to withstand the low lubricity characteristics of ethanol and methanol fuels This is a general-use high flow fuel pump, not a direct plug-and-play swap in most application

Brand:
AEM Electronics - Corporate Logo
ES#:
3691421
Mfg#:
50-1200
In Stock
11% off MSRP

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

$175.95

This product was last offered at the strikethrough price on
07-23-2026

$155.95 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Transmission Mount Bushing Insert Kit

ES#3023205 - 009860ECS01 - Transmission Mount Bushing Insert Kit - Decrease transmission mount slop for better drivetrain response! - ECS - Audi Porsche

Decrease transmission mount slop for better drivetrain response! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3023205
Mfg#:
009860ECS01
In Stock
ON SALE! SAVE 25%
$101.99

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

$76.49 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Harmonic Damper Crankshaft Pulley

ES#2966553 - 551231 - Harmonic Damper Crankshaft Pulley - Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability - Fluidampr - Audi Volkswagen

Provides broad range control of destructive crankshaft torsional vibration for optimum horsepower and durability

Brand:
Fluidampr - Corporate Logo
ES#:
2966553
Mfg#:
551231
In Stock
$517.60 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8 A4 / A5 2.0T Performance Aluminum Radiator

ES#4566538 - 012463LA01 - B8 A4 / A5 2.0T Performance Aluminum Radiator - Direct-fit upgrade! Featuring an 80% increase in core thickness and durable, all-aluminum construction. - ECS - Audi

Direct-fit upgrade! Featuring an 80% increase in core thickness and durable, all-aluminum construction. 10X Entries For Our 25th Anniversary Sweepstakes!
10X Entries For Our Spin To Win Sweepstakes!
For Vehicles Equipped with an Automatic Transmission

Brand:
ECS - Corporate Logo
ES#:
4566538
Mfg#:
012463LA01
In Stock
ON SALE! SAVE 20%
$428.99

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

$343.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

550cc Fuel Injectors - Set Of Four

ES#1899400 - injb550 - 550cc Fuel Injectors - Set Of Four - Compatible with BT software applications. Includes injector plug adapters - Bosch - Audi Volkswagen MINI

Compatible with BT software applications. Includes injector plug adapters 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
1899400
Mfg#:
INJB550
Ships in 8 Business Days
$437.99

This product was last offered at the strikethrough price on
07-06-2026

$363.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

VW/Audi Atmospheric Diverter Valve Spacer - Clear

ES#3551284 - 021828ECS01-02 - VW/Audi Atmospheric Diverter Valve Spacer - Clear - 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#:
3551284
Mfg#:
021828ECS01-02
In Stock
ON SALE! SAVE 46%
$91.99

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

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

More About Performance Engine & Drivetrain Parts

Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.

Let us help you find the parts that fit your Audi

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