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Audi A4 Performance Engine & Drivetrain Parts

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Turbo Inlet Hose - 2.0"

ES#3028669 - 034145A042 - Turbo Inlet Hose - 2.0" - To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers - 034Motorsport - Audi Volkswagen

To be used in conjunction with 2.75" ID MAF housing and K04/Frankenturbo F21 turbochargers

Brand:
034Motorsport - Corporate Logo
ES#:
3028669
Mfg#:
034145A042
In Stock
$226.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Valve Cover Breather Adapter

ES#3432401 - 034-101-5000 - Valve Cover Breather Adapter - Eliminates failure-prone factory PCV and allows a provision for custom catch can setups on 2.0T TFSI/TSI - 034Motorsport - Audi

Eliminates failure-prone factory PCV and allows a provision for custom catch can setups on 2.0T TFSI/TSI For use with custom DIY catch can setup - Not direct bolt-on

Brand:
034Motorsport - Corporate Logo
ES#:
3432401
Mfg#:
034-101-5000
Back Ordered
$333.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Rear Differential Carrier Mount Bushing Insert Kit

ES#3132752 - 018327ECS01 - Rear Differential Carrier Mount Bushing Insert Kit - Decrease differential slop for better drivetrain response! - ECS - Audi

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

Brand:
ECS - Corporate Logo
ES#:
3132752
Mfg#:
018327ECS01
Ships on Aug 17, 2026
Auto Notify
ON SALE! SAVE 25%
$113.99

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

$85.49 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Driveshaft

ES#450864 - 8K0521101 - Driveshaft - Includes the commonly worn center bearing - Genuine Volkswagen Audi - Audi

Includes the commonly worn center bearing

Brand:
Genuine Volkswagen Audi - Corporate Logo
ES#:
450864
Mfg#:
8K0521101
Ships in 9 Business Days
4% off MSRP

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

$1872.99

This product was last offered at the strikethrough price on
07-20-2026

$1792.99 USD
This product is lifetime replacement eligible Lifetime Replacement

Stage 3 Daily Clutch Kit

ES#3098857 - 70205ssodmfKT - Stage 3 Daily Clutch Kit - Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs. - South Bend Clutch - Audi Volkswagen

Designed for high-powered street cars while capable enough to handle the track. Conservatively rated at 395ft/lbs. Works with stock dual mass flywheel

Brand:
South Bend Clutch - Corporate Logo
ES#:
3098857
Mfg#:
70205SSODMFKT
Ships in 2 Business Days
$891.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

1.8T Performance Ignition Service Kit

ES#5338584 - 056059LA094ISKT - 1.8T Performance Ignition Service Kit - Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! - ECS - Audi Volkswagen

Featuring ECS Performance Ignition Coils & OEM NGK platinum-core spark plugs for increased spark energy! 10X Entries For Our 25th Anniversary Sweepstakes!

Brand:
ECS - Corporate Logo
ES#:
5338584
Mfg#:
056059LA094ISKT
In Stock
ON SALE! SAVE 20%
$220.99

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

$176.33 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Aluminum Lightweight Flywheel

Weighs 7 to 10 lbs less compared to the OEM! Must use B8 S4-S5 clutch kit

Brand:
JH Motorsports - Corporate Logo
ES#:
4045998
Mfg#:
B8A4520TLWFW
Ships on Aug 5, 2026
$1750.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Blow-Off Valve Kit - Polished Valve

ES#2738365 - FMDVMK7A - Blow-Off Valve Kit - Polished Valve - Cure your leaking diverter valve problems for good! - Forge - Audi Volkswagen Porsche

Cure your leaking diverter valve problems for good!

Brand:
Forge - Corporate Logo
ES#:
2738365
Mfg#:
FMDVMK7A
Ships in 3 Business Days
$349.84 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Fuel Pump Upgrade Kit, High-Flow 340 LPH w/ Drop-In Adapter and hardware

ES#4045973 - B7340LPFP - Fuel Pump Upgrade Kit, High-Flow 340 LPH w/ Drop-In Adapter and hardware - Don't stress over the hassle of figuring out what pump you need, and how you are going to make it work in conjunction with your factory fuel system. - JH Motorsports - Audi

Don't stress over the hassle of figuring out what pump you need, and how you are going to make it work in conjunction with your factory fuel system.

Brand:
JH Motorsports - Corporate Logo
ES#:
4045973
Mfg#:
B7340LPFP
In Stock
Limited Qty Sale
$599.99

This product was last offered at the strikethrough price on
07-14-2026

$572.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

034Motorsport Billet Fuel Rail Upgrade Kit

ES#3432394 - 034-106-7028 - 034Motorsport Billet Fuel Rail Upgrade Kit - Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation - 034Motorsport - Audi Volkswagen

Includes billet fuel rail, billet FPR adapter, hardware, and hoses for a simple drop-in installation

Brand:
034Motorsport - Corporate Logo
ES#:
3432394
Mfg#:
034-106-7028
Ships on Aug 10, 2026
$318.00 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

JHM Solid Short Throw Shifter (6-Speed)

ES#4046140 - JHM-STS-B6B7A46 - JHM Solid Short Throw Shifter (6-Speed) - If you desire the ultimate in shifting, the JH Motorsports B6/B7 A4 Solid Short Throw Shifter is the perfect solution! - JH Motorsports - Audi

If you desire the ultimate in shifting, the JH Motorsports B6/B7 A4 Solid Short Throw Shifter is the perfect solution! For 6-Speed transmission only
Fits 2004-2005 models with 02X/01X 6-speed transmissions

Brand:
JH Motorsports - Corporate Logo
ES#:
4046140
Mfg#:
JHM-STS-B6B7A46
Ships in 3 Business Days
$284.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Propeller Shaft Assembly

ES#3190433 - 936-650 - Propeller Shaft Assembly - Includes the commonly worn center bearing - Dorman - Audi

Includes the commonly worn center bearing

Brand:
Dorman - Corporate Logo
ES#:
3190433
Mfg#:
936-650
Ships in 5 Business Days
$852.99 USD
This product is lifetime replacement eligible Lifetime Replacement

JE Forged Piston Set

ES#4031341 - je279930 - JE Forged Piston Set - 82.5mm bore (standard), 9.1:1 compression ratio, 92.8mm stroke - Includes rings, wrist-pins, & circlips - JE Piston - Audi Volkswagen

82.5mm bore (standard), 9.1:1 compression ratio, 92.8mm stroke - Includes rings, wrist-pins, & circlips

Brand:
JE Piston - Corporate Logo
ES#:
4031341
Mfg#:
JE279930
In Stock at Vendor
$1699.99 USD
Free Shipping
on orders $49 and up
This product is lifetime replacement eligible Lifetime Replacement

Might-As-Well-Be-Gated Kit

ES#4419866 - B8029A1 - Might-As-Well-Be-Gated Kit - 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#:
4419866
Mfg#:
B8029A1
In Stock at Vendor
$424.99 USD
Free Shipping
This product is lifetime replacement eligible Lifetime Replacement

Billet Catch Can Kit

ES#2848071 - CTSCCB8TFSi - Billet Catch Can Kit - Reduce oil deposits that lower performance - CTS - Audi

Reduce oil deposits that lower performance Up to the 2012 model year

Brand:
CTS - Corporate Logo
ES#:
2848071
Mfg#:
CTSCCB8TFSI
Back Ordered
Auto Notify
ON SALE!
$449.99

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

$424.99 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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