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Audi A4 Performance Engine & Drivetrain Parts

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S3 K04 Turbocharger Kit

ES#1306592 - T2100009 - S3 K04 Turbocharger Kit - B8 gains up to 158HP on 93 octane - APR - Audi

B8 gains up to 158HP on 93 octane Call In Or Chat For Best Price!

For vehicles up to the 2012 model year - For models without existing APR software

Brand:
APR - Corporate Logo
ES#:
1306592
Mfg#:
T2100009
Ships in 5 Business Days
ON SALE! SAVE 10%
$4149.99

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

$3734.96 USD
Free Shipping

S3 K04 Turbocharger Kit

ES#3410158 - T2100009-B7 - S3 K04 Turbocharger Kit - Offers up to 118 hp and 131 lb ft of torque over the OEM power output of the 2.0T FSI on 93 octane - APR - Audi

Offers up to 118 hp and 131 lb ft of torque over the OEM power output of the 2.0T FSI on 93 octane Call In Or Chat For Best Price!
*For New APR Software Customers* Does not include required injectors (ES2749269), High pressure fuel pump

Brand:
APR - Corporate Logo
ES#:
3410158
Mfg#:
T2100009-B7
Ships in 5 Business Days
ON SALE! SAVE 10%
$4149.99

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

$3734.96 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ignition Service Kit

ES#2561325 - 06C905115M2KT - Ignition Service Kit - Includes four OE red coil packs and four NGK platinum spark plugs - Assembled By ECS - Audi Volkswagen

Includes four OE red coil packs and four NGK platinum spark plugs 10X Entries Into Our F80 M3 Sweepstakes

Brand:
Assembled By ECS - Corporate Logo
ES#:
2561325
Mfg#:
06C905115M2KT
In Stock
ON SALE!
$186.64 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Adjustable Fuel Pressure Regulator

ES#5271 - 001564ECS01 - Adjustable Fuel Pressure Regulator - Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi - ECS - Audi Volkswagen

Works as a replacement for most Bosch fuel pressure regulators. Adjustable from 25psi - 75psi 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
5271
Mfg#:
001564ECS01
In Stock
ON SALE!
$195.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo Inlet Hose - Audi B7 A4 2.0T

ES#2652332 - 003246ECS01A - Silicone Turbo Inlet Hose - Audi B7 A4 2.0T - Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! - ECS - Audi

Flexible silicone smooths the intake tract & hinders collapsing. The ultimate in durability! 10X Entries Into Our F80 M3 Sweepstakes

Brand:
ECS - Corporate Logo
ES#:
2652332
Mfg#:
003246ECS01A
In Stock
ON SALE! SAVE 25%
$100.99

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

$75.74 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM K04-R Turbo (Non-Coated)

ES#4045976 - B7A420TR04RNC - JHM K04-R Turbo (Non-Coated) - Turn your 2.0T into a monstrous street machine! - JH Motorsports - Audi

Turn your 2.0T into a monstrous street machine!

Brand:
JH Motorsports - Corporate Logo
ES#:
4045976
Mfg#:
B7A420TR04RNC
Ships in 5 Business Days
$1849.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

K04 0015 Turbocharger

ES#3364 - 058145703KO4 - K04 0015 Turbocharger - Great bolt on performance upgrade that can be used with or without specific programming - BorgWarner - Audi Volkswagen

Great bolt on performance upgrade that can be used with or without specific programming

Brand:
BorgWarner - Corporate Logo
ES#:
3364
Mfg#:
058145703KO4
Back Ordered
$1831.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

B8/C7 Center Differential Delete - NO WELDING NEEDED

ES#4375353 - 012535LA01 - B8/C7 Center Differential Delete - NO WELDING NEEDED - Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro - ECS - Audi

Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro 10X Entries Into Our F80 M3 Sweepstakes
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that

Brand:
ECS - Corporate Logo
ES#:
4375353
Mfg#:
012535LA01
In Stock
ON SALE! SAVE 20%
$452.99

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

$362.39 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JE Performance Forged Piston Set

ES#3612517 - 284779 - JE Performance Forged Piston Set - Includes rings, wrist pins, and pin locks - 82.5mm bore, 9.5:1 CR - JE Piston - Audi Volkswagen

Includes rings, wrist pins, and pin locks - 82.5mm bore, 9.5:1 CR

Brand:
JE Piston - Corporate Logo
ES#:
3612517
Mfg#:
284779
In Stock at Vendor
$899.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Pro 5 R Air Intake System - Stage 2

ES#264115 - 54-10322 - Pro 5 R Air Intake System - Stage 2 - Add real power that you can feel - AFE - Audi

Add real power that you can feel CARB certified for sale in all 50 states

Brand:
AFE - Corporate Logo
ES#:
264115
Mfg#:
54-10322
EO#:
D-550-30
In Stock
20% off MSRP

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

$498.99

This product was last offered at the strikethrough price on
05-13-2026

$399.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Motorsport Street Density Motor Mount Kit

ES#2864596 - 034-509-0005 - Motorsport Street Density Motor Mount Kit - The ultimate in performance and durability - 034Motorsport - Audi Volkswagen

The ultimate in performance and durability 2X Entries Into Our F80 M3 Sweepstakes

Brand:
034Motorsport - Corporate Logo
ES#:
2864596
Mfg#:
034-509-0005
In Stock
$359.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

High Flow High Pressure Fuel Pump

ES#4057584 - 10-127-101C2K - High Flow High Pressure Fuel Pump - New Hitachi fuel pump with Autotech internal upgrades pre-installed for a 5% torque increase and additional 10 bar of fuel rail pressure! - Autotech - Audi

New Hitachi fuel pump with Autotech internal upgrades pre-installed for a 5% torque increase and additional 10 bar of fuel rail pressure!

Brand:
Autotech - Corporate Logo
ES#:
4057584
Mfg#:
10-127-101C2K
Ships in 2 Business Days
$894.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

IE Street/Race Exhaust Camshaft

ES#4361430 - IECVA2-1 - IE Street/Race Exhaust Camshaft - IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds! - Integrated Engineering - Audi Volkswagen

IE Street/Race Exhaust Camshaft for 400+ Horsepower Builds!

Brand:
Integrated Engineering - Corporate Logo
ES#:
4361430
Mfg#:
IECVA2-1
In Stock
$349.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Performance Lightweight Flywheel Kit - Stage 2 Endurance

ES#3449155 - k70614hdofeKT1 - Performance Lightweight Flywheel Kit - Stage 2 Endurance - South Bend Lightweight Single Mass Flywheel with the South Bend Stage 2 clutch kit rated at 440ft/lbs - South Bend Clutch - Audi

South Bend Lightweight Single Mass Flywheel with the South Bend Stage 2 clutch kit rated at 440ft/lbs

Brand:
South Bend Clutch - Corporate Logo
ES#:
3449155
Mfg#:
K70614HDOFEKT1
Ships in 1 Business Day
$3483.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Might-As-Well-Be-Gated Kit W/Short Shift Clamp

ES#4419869 - B8029A2 - Might-As-Well-Be-Gated Kit W/Short Shift Clamp - This combo all but eliminates shifter slop and flex under load. - JXB Performance - Audi

This combo all but eliminates shifter slop and flex under load.

Brand:
JXB Performance - Corporate Logo
ES#:
4419869
Mfg#:
B8029A2
Ships in 3 Business Days
$494.99 USD
Free Shipping
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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