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Audi A4 Performance Engine & Drivetrain Parts

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Street Density Rear Differential Bushings - Pair

ES#3176342 - 034-505-2001-SD - Street Density Rear Differential Bushings - Pair - Eliminates excessive rear differential movement and provides quick feedback - 034Motorsport - Audi

Eliminates excessive rear differential movement and provides quick feedback

Brand:
034Motorsport - Corporate Logo
ES#:
3176342
Mfg#:
034-505-2001-SD
In Stock
$44.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Silicone Turbo Inlet Hose

ES#3432296 - 034-145-A028-BLK - Silicone Turbo Inlet Hose - Flexible silicone smooths the intake tract & hinders collapsing. - 034Motorsport - Audi

Flexible silicone smooths the intake tract & hinders collapsing.

Brand:
034Motorsport - Corporate Logo
ES#:
3432296
Mfg#:
034-145-A028-BLK
In Stock
$106.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Turbo Muffler Delete Pipe Adapter O-ring - Priced Each

ES#3147457 - 9263K129 - Turbo Muffler Delete Pipe Adapter O-ring - Priced Each - Replacement O-ring for ECS Turbo Muffler Delete Pipe - ECS - Audi Volkswagen

Replacement O-ring for ECS Turbo Muffler Delete Pipe 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
3147457
Mfg#:
9263K129
In Stock
ON SALE! SAVE 25%
$23.99

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

$17.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter

ES#4044971 - JHM-STS-B9A4 - JHM Solid Short Throw Shifter - If you desire the ultimate in shifting, the JH Motorsports B9 A4 Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B9 A4 Solid Short Throw Shifter is the perfect solution!

Brand:
JH Motorsports - Corporate Logo
ES#:
4044971
Mfg#:
JHM-STS-B9A4
Ships in 10 Business Days
$329.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Diverter (Bypass) Valve OEM 710N

ES#4880731 - 034-145-5001 - Diverter (Bypass) Valve OEM 710N - New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves. - 034Motorsport - Audi Volkswagen

New OEM "710N" bypass valve with reinforced rubber diaphragm for longer use than other plastic valves.

Brand:
034Motorsport - Corporate Logo
ES#:
4880731
Mfg#:
034-145-5001
Ships in 2 Business Days
$91.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Unitronic Performance Software - Flashed @ ECS

ES#4464587 - 2.0T-MLB - Unitronic Performance Software - Flashed @ ECS - Choose the stage that meets your power goals! - Unitronic - Audi

Choose the stage that meets your power goals! This tune requires the vehicle to be dropped off at ECS Tuning's facility in Ohio and picked up the next

Brand:
Unitronic - Corporate Logo
ES#:
4464587
Mfg#:
2.0T-MLB
In Stock
Starting at $650.00 USD
Customize
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

550cc Bosch EV14 Fuel Injector - Priced Each

ES#4858179 - 034-106-3030 - 550cc Bosch EV14 Fuel Injector - Priced Each - The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. - Bosch - Audi

The Bosch EV14 550cc fires factory-correct dual spray cones with super-fast response and best atomizaton on the market today. 2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!

Brand:
Bosch - Corporate Logo
ES#:
4858179
Mfg#:
034-106-3030
Ships in 2 Business Days
$107.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Performance Camshaft Pair - 239°/230° (Cast Iron)

ES#4141636 - 1013660 - Performance Camshaft Pair - 239/230 (Cast Iron) - More aggressive cams for higher top end power! - Cat Cams - Audi

More aggressive cams for higher top end power! Engine codes AEB & ATW

Brand:
Cat Cams - Corporate Logo
ES#:
4141636
Mfg#:
1013660
Special Order: No Guaranteed ETA
$640.00 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Front Mount Intercooler Kit

ES#2770209 - ctsb5fmickit - Front Mount Intercooler Kit - Decrease heatsoak with this front mount intercooler - CTS - Audi

Decrease heatsoak with this front mount intercooler

Brand:
CTS - Corporate Logo
ES#:
2770209
Mfg#:
CTSB5FMICKIT
Back Ordered
ON SALE! SAVE 20%
$799.99

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

$639.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit

ES#4213365 - jb4-b8-ea888KT - Burger Motorsports JB4 Tuner W/ Smartphone Wireless Connect Kit - Features CAN-Bus connectivity for more advanced tuning gain up to 28whp/50lb-ft on a stock car - Burger Motorsports - Audi

Features CAN-Bus connectivity for more advanced tuning — gain up to 28whp/50lb-ft on a stock car Not for sale or use in the state of California.

Brand:
Burger Motorsports - Corporate Logo
ES#:
4213365
Mfg#:
JB4-B8-EA888KT
Ships in 5 Business Days
$638.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Ultimate Shift Kit - Audi B8 A4/A5/S5/S5

ES#2834823 - 004113ECS01KT - Ultimate Shift Kit - Audi B8 A4/A5/S5/S5 - Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob - ECS / BFI - Audi

Includes the ECS Adjustable Short Throw Shifter paired with BFI's Heavy Weight SCHWARZ Shift Knob

Brand:
ECS / BFI
ES#:
2834823
Mfg#:
004113ECS01KT
Ships in 10 Business Days
Auto Notify
$636.98 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

FP34 Fuel Pump Surge Tank - With Pump

ES#3419777 - 034-106-A003 - FP34 Fuel Pump Surge Tank - With Pump - Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump - 034Motorsport - Audi Volkswagen

Fully enclosed FP34 fuel pump surge tank with Bosch 044 "Motorsport" fuel pump

Brand:
034Motorsport - Corporate Logo
ES#:
3419777
Mfg#:
034-106-A003
Back Ordered
$690.00 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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